[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"site-settings":3,"blog-sandwich-panel-ruang-genset-peredam-suara-stc-2026--":40,"header-product-categories":84,"footer-product-categories":243,"blog-recent":281},{"data":4},{"business_hours":5,"canonical_url":6,"catalog_full_url":7,"catalog_price_url":7,"catalog_technical_url":7,"contact_address":8,"contact_email":9,"contact_factory_address":10,"contact_factory_map_url":11,"contact_office_address":7,"contact_phone":12,"contact_whatsapp":13,"custom_body_scripts":7,"custom_head_scripts":14,"ga_measurement_id":15,"google_ads_id":16,"gtm_id":17,"homepage_meta_description_en":18,"homepage_meta_description_id":19,"homepage_meta_description_zh":20,"homepage_meta_title_en":21,"homepage_meta_title_id":22,"homepage_meta_title_zh":23,"maintenance_message":7,"maintenance_mode":24,"meta_description_default":25,"meta_title_default":26,"og_image_default":27,"recaptcha_site_key":7,"robots_txt":28,"schema_org_founded":29,"schema_org_type":30,"seo_noindex":24,"site_email":9,"site_favicon_url":31,"site_logo_url":32,"site_name":33,"site_stats":34,"site_tagline":35,"social_facebook":36,"social_instagram":37,"social_linkedin":7,"social_youtube":38,"whatsapp_message":39,"whatsapp_number":12},"Senin-Sabtu 08:00-17:00 WIB","https://sandwichpanels.id","","Jakarta, Indonesia","marketing@sandwichpanels.id","Kawasan Industri Lippo Cikarang Delta Silicon, Jl. Albasia Utara 1, Cikarang Selatan, Jawa Barat, Indonesia, 17550","https://maps.google.com/?q=-6.3666492909764205, 107.12342048001176","+628119898835","628119898835","\u003Cmeta name=\"google-site-verification\" content=\"tjwEbF9G67SnEcroXL7PBzxRcLoD0NaRxKXRgRvOV6o\" />","G-DPYQT7JZ2D","G-ETSSTN3J3T","GTM-5XRVSZWC","SandwichPanels.id supplies EPS, PU, PIR, and rockwool sandwich panels for factories, cold rooms, cleanrooms, and industrial buildings in Indonesia.","SandwichPanels.id menyediakan sandwich panel EPS, PU, PIR, dan rockwool untuk pabrik, cold storage, cleanroom, dan bangunan industri di Indonesia.","SandwichPanels.id 为印度尼西亚工厂、冷库、洁净室与工业建筑提供 EPS、PU、PIR 和岩棉夹芯板解决方案。","Sandwich Panels Indonesia for Cold Rooms and Factories","Sandwich Panel Indonesia untuk Pabrik, Cold Room, Cleanroom","印度尼西亚工厂、冷库与洁净室夹芯板","false","Supplier sandwich panel EPS, PU, PIR, dan rockwool untuk pabrik, cold storage, cleanroom, dan bangunan industri di Indonesia.","Sandwich Panel Indonesia untuk Pabrik & Cold Room","https://sandwichpanels.id/og-image.jpg","# SandwichPanels.id - Robots.txt\n# https://sandwichpanels.id\n\nUser-agent: *\nAllow: /\nDisallow: /api/\nDisallow: /*?utm_*\n\n# Sitemaps\nSitemap: https://sandwichpanels.id/sitemap_index.xml\n\n# AI Crawlers — welcome to index our public content\nUser-agent: GPTBot\nAllow: /\nCrawl-delay: 2\n\nUser-agent: ChatGPT-User\nAllow: /\n\nUser-agent: Google-Extended\nAllow: /\n\nUser-agent: Googlebot\nAllow: /\n\nUser-agent: PerplexityBot\nAllow: /\nCrawl-delay: 2\n\nUser-agent: ClaudeBot\nAllow: /\nCrawl-delay: 2\n\nUser-agent: Bytespider\nAllow: /\nCrawl-delay: 5\n\nUser-agent: CCBot\nAllow: /\nCrawl-delay: 5\n\nUser-agent: Applebot-Extended\nAllow: /\n\nUser-agent: cohere-ai\nAllow: /\nCrawl-delay: 2\n\n# Crawl-delay for SEO tools\nUser-agent: AhrefsBot\nCrawl-delay: 10\n\nUser-agent: SemrushBot\nCrawl-delay: 10\n\n# Block known bad / scraper bots\nUser-agent: DotBot\nDisallow: /\n\nUser-agent: MJ12bot\nDisallow: /\n\nUser-agent: AdsBot-Google\nAllow: /\n","2001","LocalBusiness","https://assets.sandwichpanels.id/uploads/1771832459130-favicon-tiny.png","https://assets.sandwichpanels.id/branding/logo-main-transparent.png","SandwichPanels.id","{\"projects\":\"1000\",\"clients\":\"1000\",\"experience\":\"25\",\"area\":\"1000000\",\"cities\":\"\"}","Distributor dan produsen produk Sandwich panel berkualitas internasional.","https://facebook.com/cleanroomindonesia/","https://www.instagram.com/cleanroomindonesia/","https://youtube.com/@CleanroomIndonesia","Halo, saya ingin bertanya mengenai produk Sandwich panel...",{"author_name":41,"category":42,"content":48,"cover_image":52,"created_at":53,"excerpt":54,"id":58,"published":59,"published_at":60,"seo":61,"slug":70,"tags":71,"title":80,"updated_at":60},"Administrator",{"name":43,"slug":47},{"en":44,"id":45,"zh":46},"Industry & Applications","Industri & Aplikasi","行业与应用","industri",{"en":49,"id":50,"zh":51},"\u003Cp>The generator room is usually the last space designed in a factory project and the first one complained about after start-up. By then the set is installed, the neighbours have called, and the walls are already standing. The decisions that actually govern noise were made much earlier: wall build-up and ventilation routing.\u003C/p>\u003Cp>This guide deals in numbers rather than marketing claims. How many decibels a sandwich panel can genuinely hold back, how to read Rw and STC on a datasheet, and why failed generator rooms almost always fail at the air openings rather than at the wall itself.\u003C/p>\u003Cimg src=\"https://assets.sandwichpanels.id/blog/1788725390286-sandwich-panel-ruang-genset-detail-akustik-louver-02.png\" alt=\"Acoustic wall build-up for a generator room: rockwool sandwich panel with perforated liner, baffled duct and acoustic louvre\" />\u003Ch2>How Loud Is a Genset, and Which Limit Binds You\u003C/h2>\u003Cp>An open-frame 500 kVA diesel set sits around 100–105 dB(A) at one metre. The same class inside a factory acoustic canopy typically falls to 65–75 dB(A) at seven metres. Note that those two figures are measured at different distances. A specification that says “maximum 75 dB” without stating the measuring distance cannot be verified and should never be signed.\u003C/p>\u003Cp>Two Indonesian rules bind you at once, and they measure different things. \u003Ca href=\"https://ppkl.menlhk.go.id/website/filebox/723/190930165749Kepmen%20LH%2048%20Tahun%201996.pdf\" rel=\"nofollow\">Ministerial Decree KepMenLH 48/1996\u003C/a> sets ambient noise limits by land use: 70 dB(A) for industry, 65 dB(A) for offices and commerce, 60 dB(A) for government and public facilities, and 55 dB(A) for housing, hospitals, schools and places of worship. Those limits apply in the surrounding environment, not inside the engine room.\u003C/p>\u003Cp>Manpower Regulation 5/2018 covers the worker side through exposure limits: 85 dB(A) for an eight-hour shift, halving with every 3 dB increase, so 88 dB(A) for four hours, 91 dB(A) for two hours and 94 dB(A) for one hour. Anyone entering while the set runs still needs hearing protection, however good the wall is.\u003C/p>\u003Cp>One more principle designers forget: a point source loses roughly 6 dB every time the distance doubles. A set at 105 dB(A) at one metre is down to about 87 dB(A) at eight metres with no wall at all. Distance is the cheapest attenuator available, and dense industrial estates rarely offer it.\u003C/p>\u003Ch2>Rw and STC: The Numbers That Really Sit on a Datasheet\u003C/h2>\u003Cp>Airborne sound insulation is measured in the laboratory to \u003Ca href=\"https://www.iso.org/standard/79487.html\" rel=\"nofollow\">ISO 10140-2\u003C/a> and condensed into a single Rw figure under ISO 717-1. STC is the North American counterpart with a different calculation method. The two often land close together but are not a direct conversion, so never mix them inside one bid comparison table.\u003C/p>\u003Cp>A fact brochures rarely mention: a sandwich panel with thin steel skins is still a lightweight partition. Manufacturer datasheets put ordinary wall panels around Rw 25–32 dB, with rockwool cores at the top of the range and EPS or PIR cores at the bottom. Rockwool wins not because it absorbs sound but because its mass and internal damping break the vibration path between the two steel skins.\u003C/p>\u003Cp>Dedicated acoustic panels are built differently: a perforated inner liner over a rockwool core of 48–64 kg/m³. Market datasheets report Rw around 34 dB with an absorption coefficient close to 1.00. Factory-built generator enclosures 100 mm thick, with a solid outer skin and perforated liner, are commonly rated STC 40 and NRC 1.00.\u003C/p>\u003Cp>That distinction matters when comparing offers. Ask for evidence, not adjectives:\u003C/p>\u003Cul>\u003Cli>The test report number and the laboratory name, not just the words STC 40.\u003C/li>\u003Cli>The test standard used (ISO 10140-2 or ASTM E90) and its year of issue.\u003C/li>\u003Cli>The specimen configuration: thickness, core density, steel gauge and joint type.\u003C/li>\u003Cli>Whether the figure is Rw, STC, or merely a field noise-reduction difference.\u003C/li>\u003Cli>Load-deflection tables to the EN 14509 method where the panel is load bearing.\u003C/li>\u003C/ul>\u003Cp>Panel thickness drives thermal and acoustic performance together, and the sizes actually available are narrower than most buyers assume. We cover that in the guide to \u003Ca href=\"https://sandwichpanels.id/en/blog/ukuran-ketebalan-standar-sandwich-panel-dinding-2026\">standard wall sandwich panel sizes and thickness\u003C/a>.\u003C/p>\u003Ch2>Do the Attenuation Maths Before Buying Panels\u003C/h2>\u003Cp>A simple worked example. The set produces 105 dB(A) at one metre inside the room. The site boundary is eight metres from the nearest wall, and across it lies housing with a 55 dB(A) limit. Distance alone gives about 18 dB, so without any wall the boundary level would be roughly 87 dB(A). The construction therefore has to close a gap of about 32 dB.\u003C/p>\u003Cp>That 32 dB is already beyond a single skin of ordinary wall panel. The usual answer is a combination: an acoustic panel with perforated liner facing the room, added mass or a double-leaf build-up with a cavity, plus dedicated treatment of the ventilation openings and the door. Carefully engineered enclosures are reported to reach 25–30 dB of insertion loss, and engineered facilities have taken 115 dB(A) down to 75 dB(A) at one metre outside.\u003C/p>\u003Ch2>Ventilation: The Biggest Leak Path\u003C/h2>\u003Cp>A generator room must not be sealed. The engine needs combustion air and the radiator needs a large volume of cooling air. Engine installation manuals typically ask for a discharge opening around 1.5 times the radiator face area, with inlet openings 1–1.5 times and outlet openings 2–3 times so hot air genuinely leaves the room.\u003C/p>\u003Cp>Closing openings for the sake of acoustics is an expensive mistake: room temperature rises, output derates and the set can trip. The workable compromise is to lengthen and line the air path. Ductwork turns through at least two 90-degree bends before it discharges, every internal surface carries at least 50 mm of rockwool lining, and the external opening uses an angled-blade acoustic louvre. Each bend adds pressure drop, so fan capacity must be recalculated with the mechanical designer.\u003C/p>\u003Cp>The unwritten law of acoustics is that leaks beat materials. An opening of just one percent of the wall area caps the combined performance somewhere near 20 dB, whatever the panel datasheet says. Door perimeters, unsealed cable entries and straight untreated air paths cause more failures than panel selection ever does.\u003C/p>\u003Ch2>Joints, Penetrations and Vibration\u003C/h2>\u003Cp>Sound travels through structure as well as air. The set sits on a foundation with anti-vibration mounts, and that foundation should not be rigidly tied to the room floor or walls. The panel support framing should likewise avoid becoming a direct bridge from machine to wall plane.\u003C/p>\u003Cp>Panel joints need to be tight and sealed with an elastic sealant that is inspected periodically, not simply covered with flashing. Cable and pipe penetrations are doubly critical, for acoustics and for the durability of the panel core; the detailing is set out in our guide to \u003Ca href=\"https://sandwichpanels.id/en/blog/instalasi-listrik-plumbing-dinding-sandwich-panel-cara-aman-2026\">electrical and plumbing installation in sandwich panel walls\u003C/a>. Fire behaviour matters as well, since the room holds fuel and hot surfaces, which makes a mineral core easier to defend than an organic one.\u003C/p>\u003Ch2>Indicative Cost in the Indonesian Market\u003C/h2>\u003Cp>A survey of public supplier and contractor price lists between June and August 2026 gives a rough picture: 75 mm rockwool panel sits near Rp485,000 per running metre at 1,050 mm cover width, equivalent to about Rp462,000 per square metre. Installation labour without material runs Rp150,000–230,000 per square metre.\u003C/p>\u003Cp>Those figures exclude acoustic louvres, attenuators, acoustic doors and vibration isolation, which often carry a large share of the cost in a generator room. A realistic budget treats acoustics as one system rather than as a panel price per square metre.\u003C/p>\u003Ch2>FAQ\u003C/h2>\u003Ch3>Does a rockwool panel automatically soundproof a generator room?\u003C/h3>\u003Cp>No. Ordinary rockwool wall panels sit around Rw 25–32 dB, while a generator room near housing often needs more than 30 dB overall. Rockwool is the right starting point, but the result is decided by the whole construction: perforated liner, ventilation treatment, doors and the sealing of every gap.\u003C/p>\u003Ch3>What panel thickness suits a generator room?\u003C/h3>\u003Cp>For most industrial projects, a 75–100 mm rockwool core at 48–64 kg/m³ is a sensible starting point, with the perforated-liner version facing the room. Final thickness should follow the decibel gap you actually have to close rather than habit.\u003C/p>\u003Ch3>Can EPS panels be used for a generator room?\u003C/h3>\u003Cp>Acoustically EPS sits at the bottom of the range, and its core is organic. For a room containing hot machinery and fuel, a mineral core is far easier to justify. EPS is better kept for ancillary spaces that do not adjoin the machine directly.\u003C/p>","\u003Cp>Ruang genset biasanya jadi urusan terakhir dalam proyek pabrik, dan hampir selalu jadi keluhan pertama setelah pabrik beroperasi. Mesin sudah dipasang, tetangga sudah mengeluh, dinding sudah berdiri. Padahal keputusan akustik yang paling menentukan diambil jauh sebelum itu: susunan dinding dan jalur ventilasi.\u003C/p>\u003Cp>Tulisan ini membahas angka, bukan janji pemasaran. Berapa desibel yang benar-benar mampu ditahan sandwich panel, bagaimana membaca Rw dan STC di lembar data, dan mengapa ruang genset yang gagal hampir selalu gagal di lubang ventilasi, bukan di bidang dindingnya.\u003C/p>\u003Cimg src=\"https://assets.sandwichpanels.id/blog/1788725390286-sandwich-panel-ruang-genset-detail-akustik-louver-02.png\" alt=\"Detail dinding akustik ruang genset: panel sandwich rockwool dengan liner berlubang, ducting berbelok, dan louver akustik\" />\u003Ch2>Berapa Bising Genset dan Batas Mana yang Mengikat\u003C/h2>\u003Cp>Genset diesel tipe terbuka kelas 500 kVA berada di kisaran 100–105 dB(A) pada jarak 1 meter. Unit berkanopi peredam pabrikan umumnya turun ke 65–75 dB(A) pada jarak 7 meter. Perhatikan bahwa dua angka itu diukur pada jarak berbeda. Spesifikasi proyek yang menyebut “maksimal 75 dB” tanpa jarak ukur tidak bisa diverifikasi dan tidak layak masuk kontrak.\u003C/p>\u003Cp>Dua aturan mengikat sekaligus, dan keduanya mengukur hal berbeda. \u003Ca href=\"https://ppkl.menlhk.go.id/website/filebox/723/190930165749Kepmen%20LH%2048%20Tahun%201996.pdf\" rel=\"nofollow\">KepMenLH No. 48 Tahun 1996\u003C/a> menetapkan baku tingkat kebisingan menurut peruntukan kawasan: 70 dB(A) untuk industri, 65 dB(A) untuk perkantoran dan perdagangan, 60 dB(A) untuk pemerintahan dan fasilitas umum, serta 55 dB(A) untuk permukiman, rumah sakit, sekolah, dan tempat ibadah. Angka itu berlaku di lingkungan sekitar, bukan di dalam ruang mesin.\u003C/p>\u003Cp>Permenaker No. 5 Tahun 2018 mengatur sisi pekerja lewat nilai ambang batas: 85 dB(A) untuk 8 jam kerja, lalu memendek setiap kenaikan 3 dB, yaitu 88 dB(A) untuk 4 jam, 91 dB(A) untuk 2 jam, dan 94 dB(A) untuk 1 jam. Operator yang masuk saat mesin hidup tetap butuh pelindung pendengaran, sebagus apa pun dindingnya.\u003C/p>\u003Cp>Satu prinsip lagi yang sering dilupakan perencana: sumber bunyi titik kehilangan sekitar 6 dB setiap kali jarak digandakan. Genset 105 dB(A) pada 1 meter tinggal sekitar 87 dB(A) pada 8 meter tanpa dinding apa pun. Jarak adalah peredam paling murah yang tersedia, tetapi lahan pabrik di kawasan padat jarang menyediakannya.\u003C/p>\u003Ch2>Rw, STC, dan Angka yang Benar-Benar Ada di Datasheet\u003C/h2>\u003Cp>Insulasi bunyi udara diukur di laboratorium menurut \u003Ca href=\"https://www.iso.org/standard/79487.html\" rel=\"nofollow\">ISO 10140-2\u003C/a>, lalu diringkas menjadi satu angka tunggal Rw menurut ISO 717-1. STC adalah padanan Amerika Utara dengan metode perhitungan berbeda. Nilainya sering berdekatan, tetapi bukan konversi langsung, jadi jangan mencampur Rw dan STC dalam satu tabel perbandingan penawaran.\u003C/p>\u003Cp>Kenyataan yang jarang disebut di brosur: panel sandwich berkulit baja tipis tetaplah partisi ringan. Lembar data pabrikan panel menunjukkan Rw sekitar 25–32 dB untuk panel dinding biasa, dengan inti rockwool di ujung atas rentang dan inti EPS atau PIR di ujung bawah. Rockwool unggul bukan karena menyerap bunyi, melainkan karena massa dan redaman internalnya memutus rambatan getaran antar pelat baja.\u003C/p>\u003Cp>Panel akustik khusus berbeda konstruksinya: kulit dalam berlubang dengan inti rockwool berkerapatan 48–64 kg/m³. Lembar data pasar melaporkan Rw sekitar 34 dB dengan koefisien serap αw mendekati 1,00. Enklosur genset pabrikan setebal 100 mm dengan kulit luar padat dan liner berlubang umumnya dinyatakan setara STC 40 dan NRC 1,00.\u003C/p>\u003Cp>Perbedaan itu penting saat membandingkan penawaran. Minta bukti, bukan klaim:\u003C/p>\u003Cul>\u003Cli>Nomor laporan uji dan nama laboratorium, bukan sekadar tulisan STC 40 di brosur.\u003C/li>\u003Cli>Standar uji yang dipakai (ISO 10140-2 atau ASTM E90) beserta versi tahunnya.\u003C/li>\u003Cli>Konfigurasi benda uji: ketebalan, kerapatan inti, tebal pelat, dan jenis sambungan.\u003C/li>\u003Cli>Kejelasan apakah angka itu Rw, STC, atau sekadar selisih pengukuran lapangan.\u003C/li>\u003Cli>Tabel beban-lendutan menurut metode EN 14509 bila panel juga memikul beban.\u003C/li>\u003C/ul>\u003Cp>Ketebalan panel menentukan sekaligus insulasi termal dan akustik, dan rentang ukuran di pasar tidak sebebas yang dibayangkan. Rinciannya ada di panduan \u003Ca href=\"https://sandwichpanels.id/blog/ukuran-ketebalan-standar-sandwich-panel-dinding-2026\">ukuran dan ketebalan standar sandwich panel dinding\u003C/a>.\u003C/p>\u003Ch2>Hitung Kebutuhan Peredaman Sebelum Membeli Panel\u003C/h2>\u003Cp>Contoh sederhana. Genset menghasilkan 105 dB(A) pada 1 meter di dalam ruang. Batas lahan berada 8 meter dari dinding terdekat, dan kawasan di seberangnya permukiman dengan baku 55 dB(A). Pelemahan jarak memberi sekitar 18 dB, sehingga tanpa dinding tingkat di batas lahan sekitar 87 dB(A). Selisih yang harus ditutup konstruksi kira-kira 32 dB.\u003C/p>\u003Cp>Angka 32 dB itu sudah melampaui kemampuan satu lapis panel dinding biasa. Yang lazim dipakai adalah kombinasi: panel akustik berliner lubang di sisi dalam, massa tambahan atau konstruksi dua lapis berongga, plus perlakuan khusus pada ventilasi dan pintu. Enklosur yang dirancang serius dilaporkan mencapai insertion loss 25–30 dB, dan fasilitas terrekayasa menurunkan 115 dB(A) menjadi 75 dB(A) pada 1 meter di luar.\u003C/p>\u003Cp>Hukum tak tertulis akustik: kebocoran mengalahkan material. Bukaan seluas satu persen bidang dinding saja sudah membatasi kinerja gabungan di kisaran 20 dB, berapa pun angka di lembar data panel. Karena itu urutan kerjanya bukan memilih panel setebal mungkin, melainkan menutup jalur bocor lebih dulu.\u003C/p>\u003Ch2>Ventilasi: Sumber Kebocoran Terbesar\u003C/h2>\u003Cp>Ruang genset tidak boleh kedap. Mesin butuh udara pembakaran dan radiator butuh udara pendingin dalam jumlah besar. Panduan pemasangan pabrikan mesin umumnya meminta luas bukaan keluar sekitar 1,5 kali luas muka radiator, dengan bukaan masuk 1–1,5 kali dan bukaan buang 2–3 kali agar udara panas benar-benar terbuang.\u003C/p>\u003Cp>Menutup bukaan demi akustik adalah kesalahan mahal: suhu ruang naik, keluaran daya turun, dan mesin bisa trip. Jalan tengahnya memperpanjang dan melapisi jalur udara. Ducting dibuat berbelok minimal dua kali 90 derajat sebelum keluar, seluruh permukaan dalamnya dilapisi rockwool minimal 5 cm, dan bukaan luar memakai louver akustik berbilah miring. Setiap tikungan menambah rugi tekanan, jadi kapasitas kipas wajib dihitung ulang bersama perancang mekanikal.\u003C/p>\u003Ch2>Detail Dinding, Sambungan, dan Getaran\u003C/h2>\u003Cp>Bunyi merambat lewat struktur, bukan hanya lewat udara. Genset duduk di atas pondasi dengan peredam getaran, dan pondasi itu sebaiknya tidak menyatu kaku dengan lantai atau dinding ruang. Rangka penopang panel juga sebaiknya tidak menjadi jembatan getaran langsung dari mesin ke bidang dinding.\u003C/p>\u003Cp>Sambungan antar panel harus rapat dan diberi sealant elastis yang dirawat berkala, bukan sekadar ditutup flashing. Penetrasi kabel dan pipa adalah titik rawan ganda, untuk akustik sekaligus untuk keawetan inti panel; cara mengerjakannya diuraikan di panduan \u003Ca href=\"https://sandwichpanels.id/blog/instalasi-listrik-plumbing-dinding-sandwich-panel-cara-aman-2026\">instalasi listrik dan plumbing di dinding sandwich panel\u003C/a>. Faktor api juga tidak boleh dikesampingkan, karena ruang genset menyimpan bahan bakar dan sumber panas, sehingga inti mineral lebih mudah dipertanggungjawabkan daripada inti organik.\u003C/p>\u003Ch2>Perkiraan Biaya di Pasar Indonesia\u003C/h2>\u003Cp>Survei daftar harga publik pemasok panel dan kontraktor pada Juni–Agustus 2026 memberi gambaran kasar: panel rockwool 75 mm berada di kisaran Rp485.000 per meter lari untuk lebar tutup 1.050 mm, setara sekitar Rp462.000 per meter persegi. Jasa pemasangan tanpa material berkisar Rp150.000–230.000 per meter persegi.\u003C/p>\u003Cp>Angka itu belum mencakup louver akustik, attenuator, pintu akustik, dan peredam getaran, yang pada ruang genset sering menyumbang porsi biaya besar. Anggaran yang realistis memperlakukan akustik sebagai satu sistem, bukan sebagai harga panel per meter persegi.\u003C/p>\u003Ch2>FAQ\u003C/h2>\u003Ch3>Apakah panel rockwool otomatis membuat ruang genset kedap suara?\u003C/h3>\u003Cp>Tidak. Panel dinding rockwool biasa berada di kisaran Rw 25–32 dB, sementara kebutuhan ruang genset dekat permukiman sering di atas 30 dB. Rockwool adalah titik awal yang benar, tetapi hasil akhirnya ditentukan konstruksi menyeluruh: liner berlubang, penanganan ventilasi, pintu, dan penutupan celah.\u003C/p>\u003Ch3>Berapa ketebalan panel yang wajar untuk ruang genset?\u003C/h3>\u003Cp>Untuk kebanyakan proyek industri, panel inti rockwool 75–100 mm dengan kerapatan inti 48–64 kg/m³ adalah titik awal yang masuk akal, dan versi berliner lubang dipakai di sisi dalam ruang. Ketebalan akhir sebaiknya ditentukan dari selisih dB yang harus ditutup, bukan dari kebiasaan.\u003C/p>\u003Ch3>Bolehkah memakai panel EPS untuk ruang genset?\u003C/h3>\u003Cp>Secara akustik EPS berada di ujung bawah rentang, dan intinya organik. Untuk ruangan berisi mesin panas dan bahan bakar, inti mineral jauh lebih mudah dipertanggungjawabkan. EPS lebih tepat untuk ruang penunjang yang tidak berdekatan langsung dengan mesin.\u003C/p>","\u003Cp>发电机房往往是工厂项目中最后考虑的房间，却常常是投产后第一个被投诉的地方。真正决定隔声效果的选择，在设备进场之前就已经做出：墙体构造与通风路径。\u003C/p>\u003Cp>本文只谈数字：夹芯板到底能挡住多少分贝，如何读懂样本上的Rw与STC，以及为什么隔声失败几乎都发生在通风口，而不是墙面本身。\u003C/p>\u003Cimg src=\"https://assets.sandwichpanels.id/blog/1788725390286-sandwich-panel-ruang-genset-detail-akustik-louver-02.png\" alt=\"发电机房隔声墙体构造：穿孔内板岩棉夹芯板、弯折风道与消声百叶\" />\u003Ch2>发电机噪声有多大，哪条限值真正约束你\u003C/h2>\u003Cp>500 kVA级开架式柴油发电机组在1米处约为100–105 dB(A)；带隔声罩的机组在7米处通常降至65–75 dB(A)。两个数字的测量距离并不相同，合同里只写不超过75 dB而不注明距离，等于无法验收。\u003C/p>\u003Cp>印尼环境部第48/1996号法令按功能区规定环境噪声限值：工业区70 dB(A)，办公与商业65 dB(A)，政府及公共设施60 dB(A)，居住区、医院、学校与宗教场所55 dB(A)。该限值在厂界环境测量，而不是机房内部。\u003C/p>\u003Cp>劳工部第5/2018号条例规定工人暴露限值：85 dB(A)对应8小时，每提高3 dB允许时间减半，即88 dB(A)对应4小时、91 dB(A)对应2小时、94 dB(A)仅1小时。机组运行时进入机房仍须佩戴护耳器。\u003C/p>\u003Cp>还有一条常被忽略的规律：点声源距离每加倍，声压级约衰减6 dB。1米处105 dB(A)的机组，在8米处约为87 dB(A)。距离是最便宜的隔声手段，但厂区往往没有这个空间。\u003C/p>\u003Ch2>Rw与STC：样本上真正存在的数字\u003C/h2>\u003Cp>空气声隔声量在实验室按ISO 10140-2测量，再按ISO 717-1归纳为单值Rw；STC是北美的对应指标，算法不同，不能直接换算，比价时不要把两者放进同一张表。\u003C/p>\u003Cp>薄钢面板的夹芯板本质上是轻质隔墙。厂家样本显示普通墙面板约为Rw 25–32 dB，岩棉芯位于区间上限，EPS与PIR位于下限。岩棉的优势不在于吸声，而在于其质量与内部阻尼切断了两层钢板之间的振动传递。\u003C/p>\u003Cp>专用声学板构造不同：穿孔内板加48–64 kg/m³岩棉芯，样本Rw约34 dB，吸声系数接近1.00；100 mm厂制发电机隔声罩板常标称STC 40、NRC 1.00。\u003C/p>\u003Cp>比价时应索取以下证据：\u003C/p>\u003Cul>\u003Cli>检测报告编号与实验室名称，而不只是样本上的STC 40字样\u003C/li>\u003Cli>所依据的测试标准（ISO 10140-2或ASTM E90）及其年份\u003C/li>\u003Cli>试件构造：厚度、芯材密度、钢板厚度与接缝形式\u003C/li>\u003Cli>承重时按EN 14509方法给出的荷载—挠度表\u003C/li>\u003C/ul>\u003Cp>厚度选择请参见我们的\u003Ca href=\"https://sandwichpanels.id/zh/blog/ukuran-ketebalan-standar-sandwich-panel-dinding-2026\">墙面夹芯板尺寸与厚度指南\u003C/a>。\u003C/p>\u003Ch2>先算隔声量，再买板\u003C/h2>\u003Cp>举例：机组室内1米处105 dB(A)，厂界距最近墙面8米，界外为限值55 dB(A)的居住区。距离衰减约18 dB，无墙时厂界约87 dB(A)，构造需要弥补的差值约为32 dB。\u003C/p>\u003Cp>32 dB已超出单层普通墙板的能力，通常需要组合方案：室内侧穿孔声学板、附加质量或带空腔的双层构造，再加上通风与门的专项处理。认真设计的隔声罩可实现25–30 dB插入损失。\u003C/p>\u003Ch2>通风口是最大的漏声点\u003C/h2>\u003Cp>发电机房不能做成密闭空间：燃烧与散热都需要大量空气。机组安装手册通常要求排风口面积约为散热器迎风面积的1.5倍，进风口1–1.5倍、排风口2–3倍，以确保热空气排得出去。\u003C/p>\u003Cp>为隔声而堵住风口代价高昂：室温升高、出力下降甚至停机。可行做法是延长并衬贴风道：至少两个90度弯，内表面满贴不少于5 cm岩棉，外侧安装斜叶片消声百叶。每增加一个弯头都会提高阻力，风机选型必须重新核算。\u003C/p>\u003Cp>另一条经验：开孔面积占墙面1%时，整体隔声量就被限制在20 dB左右，样本数值再高也无济于事。门缝、未封堵的电缆穿墙孔与直通风道，才是常见的失败原因。防火构造同样重要，可参考\u003Ca href=\"https://sandwichpanels.id/zh/blog/panel-sandwich-tahan-api-panduan-spesifikasi-fire-rating-2026\">防火夹芯板指南\u003C/a>。\u003C/p>\u003Ch2>FAQ\u003C/h2>\u003Ch3>岩棉夹芯板能让发电机房完全隔音吗?\u003C/h3>\u003Cp>不能。普通岩棉墙板约为Rw 25–32 dB，而靠近居住区的机房常需要30 dB以上的综合隔声量。岩棉是正确的起点，最终效果取决于穿孔内板、通风处理、门以及所有缝隙的封堵质量。\u003C/p>\u003Ch3>发电机房应选多厚的夹芯板?\u003C/h3>\u003Cp>多数工业项目以75–100 mm岩棉芯板为起点，芯材密度48–64 kg/m³，室内侧采用穿孔板。最终厚度应由需要弥补的分贝差决定，而不是沿用习惯做法。\u003C/p>","https://assets.sandwichpanels.id/blog/1788725376074-sandwich-panel-ruang-genset-peredam-suara-stc-2026-cover-01.png","2026-09-06T20:15:22.500682Z",{"en":55,"id":56,"zh":57},"The generator room is usually the last space designed in a factory project and the first one complained about after start-up. By then the set is installed, the neighbours have called, and the walls ar...","Ruang genset biasanya jadi urusan terakhir dalam proyek pabrik, dan hampir selalu jadi keluhan pertama setelah pabrik beroperasi. Mesin sudah dipasang, tetangga sudah mengeluh, dinding sudah berdiri. ...","发电机房往往是工厂项目中最后考虑的房间，却常常是投产后第一个被投诉的地方。真正决定隔声效果的选择，在设备进场之前就已经做出：墙体构造��...","6fd8d65e-f0e8-4385-b36f-396e5a9655cd",true,"2026-09-07T02:15:50.590735Z",{"title":62,"description":66},{"en":63,"id":64,"zh":65},"Generator Room Sandwich Panels: Rw, STC and Cost Guide 2026","Sandwich Panel Ruang Genset: Rw, STC & Biaya per m2 2026","发电机房夹芯板隔声指南：Rw、STC与造价2026",{"en":67,"id":68,"zh":69},"Generator room sandwich panel guide 2026: real Rw and STC figures, Indonesian noise limits, acoustic ventilation design and installed cost per m2.","Panduan teknis sandwich panel ruang genset 2026: angka Rw dan STC nyata, batas kebisingan KepMenLH 48/1996, desain ventilasi akustik, dan estimasi biaya per m2.","2026年发电机房夹芯板选型指南：真实Rw与STC数值、印尼噪声限值与隔声计算方法、通风消声设计与每平方米造价估算。","sandwich-panel-ruang-genset-peredam-suara-stc-2026",[72,73,74,75,76,77,78,79],"sandwich panel ruang genset","peredam suara genset","rockwool STC","Rw ISO 717-1","KepMenLH 48 1996","Permenaker 5 2018","panel akustik","ventilasi ruang genset",{"en":81,"id":82,"zh":83},"Sandwich Panels for Generator Rooms: Rw, STC and Cost 2026","Sandwich Panel Ruang Genset: Peredam Suara, STC & Biaya 2026","发电机房夹芯板：隔声选型、STC与造价指南2026",{"data":85},[86,96,105,114,123,131,140,148,157,166,173,182,190,199,208,217,226,234],{"id":87,"image_url":88,"name":89,"position":93,"slug":94,"type":95},"82c5dbfd-bb1b-49a6-bc34-de98ac8fd56b","https://assets.sandwichpanels.id/uploads/1772783072782-hidden-screw-panel---01.png",{"en":90,"id":91,"zh":92},"Hidden Screw Wall Panel","Panel Dinding Hidden Screw","隐藏式螺丝墙板",0,"hidden-screw","product",{"id":97,"image_url":98,"name":99,"position":103,"slug":104,"type":95},"7e840b65-09c4-4389-9438-94ea11c6398d","https://assets.sandwichpanels.id/uploads/1772781664310-cold-storage-panel-02.png",{"en":100,"id":101,"zh":102},"Cold Storage Panel","Panel Cold 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& Tutorials","Panduan & Tutorial","指南与教程","panduan","https://assets.sandwichpanels.id/blog/1788638998313-partisi-sandwich-panel-kantor-pabrik-2026-cover-01.png","2026-09-05T20:18:25.839349Z",{"en":299,"id":300,"zh":301},"An office inside a factory is almost always an urgent afterthought. Production is already running when QC asks for a sample room, HR asks for an interview room, and the warehouse asks for a partition ...","Ruang kantor di dalam pabrik hampir selalu menjadi pekerjaan tambahan yang mendesak. Produksi sudah berjalan, lalu QC meminta ruang sampel, HRD meminta ruang wawancara, dan gudang meminta sekat untuk ...","厂房内部的办公室几乎总是临时追加的工程。生产线已经运转，品管要样品间，人事要面试间，仓库要隔出退货区。在已建成并且仍在运行的厂房里砌��...","7df13a2d-ea67-42f6-a872-f4e7f084c9ba","2026-09-06T02:15:33.710518Z","partisi-sandwich-panel-kantor-pabrik-sekat-ruang-2026",[306,307,308,309,310,311,312,313],"partisi sandwich panel kantor","sekat ruang pabrik","partisi panel vs gypsum","Rw akustik panel","EN 13501-2","EI 60","SNI 1727:2020","Permenaker 5 tahun 2018",{"en":315,"id":316,"zh":317},"Sandwich Panel Partitions for Offices and Factories 2026","Partisi Sandwich Panel Kantor dan Pabrik: Panduan 2026","办公室与厂房夹芯板隔墙：选型与安装指南2026",{"author_name":41,"category":319,"cover_image":321,"created_at":322,"excerpt":323,"id":327,"published_at":328,"slug":329,"tags":330,"title":339,"updated_at":328},{"name":320,"slug":47},{"en":44,"id":45,"zh":46},"https://assets.sandwichpanels.id/blog/1788552673234-sandwich-panel-rumah-potong-hewan-rph-nkv-2026-cover-01.png","2026-09-04T20:16:16.576497Z",{"en":324,"id":325,"zh":326},"A Veterinary Control Number certificate, known locally as NKV, decides whether meat from a slaughterhouse may be shipped beyond its home district. The legal basis is Minister of Agriculture Regulation...","Sertifikat Nomor Kontrol Veteriner (NKV) menentukan apakah daging dari sebuah rumah potong hewan boleh dikirim keluar wilayah kabupaten asalnya. Dasar hukumnya Peraturan Menteri Pertanian Nomor 11 Tah...","兽医控制号（NKV）证书决定一家屠宰场的肉品能否运出所在县域。法律依据是印尼农业部2020年第11号条例，该条例取代2005年第381号条例，将适用范围扩�...","11b5c595-7719-4070-ab4b-5ed94ea8161d","2026-09-05T02:16:16.512603Z","sandwich-panel-rumah-potong-hewan-rph-nkv-2026",[331,332,333,334,335,336,337,338],"sandwich panel rumah potong hewan","NKV","Permentan 11 tahun 2020","SNI 6160:2022","dinding RPH higienis","EN 14509","EN 13501-1","panel food grade",{"en":340,"id":341,"zh":342},"Sandwich Panels for Slaughterhouses: NKV Wall Rules 2026","Sandwich Panel Rumah Potong Hewan: Syarat Dinding NKV 2026","屠宰场夹芯板：NKV卫生墙面标准指南2026",{"author_name":41,"category":344,"cover_image":346,"created_at":347,"excerpt":348,"id":352,"published_at":353,"slug":354,"tags":355,"title":363,"updated_at":353},{"name":345,"slug":47},{"en":44,"id":45,"zh":46},"https://assets.sandwichpanels.id/blog/1788466193629-sandwich-panel-ruang-pengering-kopi-kakao-gabah-2026-cover-01.png","2026-09-03T20:13:24.480396Z",{"en":349,"id":350,"zh":351},"A mechanical dryer turns an ordinary building into a hot, vapour-loaded pressure vessel. Air at 40-70 °C circulates for 20 to 40 hours while hundreds of litres of water evaporate from coffee, coco...","Pengering mekanis mengubah sebuah bangunan menjadi ruang bertekanan panas dan lembap. Udara 40-70 °C bersirkulasi 20 sampai 40 jam, sementara ratusan liter air menguap dari biji kopi, kakao, atau ...","机械烘干把一栋普通厂房变成高温高湿的密闭空间。40至70摄氏度的热风连续循环20到40小时，数百升水分从咖啡豆、可可豆或稻谷中蒸发出来。选错的墙...","8530482c-4d7b-4e71-90eb-d6c446006e6f","2026-09-04T02:15:40.838567Z","sandwich-panel-ruang-pengering-kopi-kakao-gabah-2026",[356,357,358,359,360,361,362,336],"sandwich panel ruang pengering","pengering kopi","pengering kakao","pengering gabah","SNI 2323:2008","SNI 224:2023","panel rockwool suhu tinggi",{"en":364,"id":365,"zh":366},"Sandwich Panels for Coffee, Cocoa & Paddy Drying Rooms 2026","Sandwich Panel Ruang Pengering Kopi, Kakao & Gabah 2026","咖啡、可可与稻谷烘干房夹芯板选型指南2026",{"author_name":41,"category":368,"cover_image":370,"created_at":371,"excerpt":372,"id":376,"published_at":377,"slug":378,"tags":379,"title":387,"updated_at":377},{"name":369,"slug":47},{"en":44,"id":45,"zh":46},"https://assets.sandwichpanels.id/blog/1788379891846-sandwich-panel-puskesmas-klinik-pratama-modular-2026-cover-01.png","2026-09-02T20:15:47.329861Z",{"en":373,"id":374,"zh":375},"Indonesia's 2023 health profile counted 10,180 puskesmas, the country's community health centres: 4,210 with inpatient beds and 5,970 without. The statistics agency BPS put the figure at 10,280 units ...","Profil Kesehatan Indonesia 2023 mencatat 10.180 puskesmas: 4.210 rawat inap dan 5.970 non rawat inap. BPS menghitung 10.280 unit pada 2024. Di balik angka itu ada ratusan paket rehabilitasi dan pemban...","印度尼西亚2023年卫生概况记录全国有10180家社区卫生中心，其中4210家设住院部，5970家不设住院部。中央统计局2024年数据为10280家。每年都有数百个新建...","66df3d0a-339a-4bf4-88b3-6b7c3d64f0aa","2026-09-03T02:15:57.057782Z","sandwich-panel-puskesmas-klinik-pratama-modular-2026",[380,381,382,383,384,385,337,386],"sandwich panel puskesmas","klinik pratama modular","Permenkes 19 tahun 2024","bangunan faskes primer","HSBGN","SNI 1726:2019","konstruksi modular kesehatan",{"en":388,"id":389,"zh":390},"Sandwich Panels for Modular Puskesmas & Primary Clinics 2026","Sandwich Panel Puskesmas & Klinik Pratama Modular 2026","模块化社区卫生中心与基层诊所夹芯板指南2026",200]