A1 Non-Combustible Mineral Wool for Passive Fire Protection
Curtain wall fire stop, compartmentation, cavity barrier, service penetration sealing. A1 non-combustible per EN 13501-1 with FM Approved Class 4470 roof boards listing. Direct from China manufacturer with full certificate PDFs — your engineer verifies equivalence with your local fire code based on the test reports we provide.
Why Stenvak for Fire Protection Projects
Direct China Pricing
Skip importer margins. 30-50% below European brand pricing for the same A1 fire-rated stone wool. 1 container MOQ shipped from Qingdao Port.
Real Certifications, Real PDFs
FM Approved + CCS Works Approval (valid through 2028) + CE EN 13162 (Intertek NB 2649, valid through 2026) + KS L 9102 + GOST + RoHS. Every certificate has a downloadable PDF — no "in-progress" placeholders.
Independent Lab Tested
Tested by SGS and Intertek (NB 2649) for CE EN 13162 conformity. Detailed test reports available on request — your engineers can independently verify any spec before approving the product.
Manufacturing Since 2011
Powered by Taishi® — more than a decade of stone wool production, 600,000 tons annual capacity, ISO 9001 / 14001 / 45001 certified. Stenvak is the authorized Taishi distributor for international markets.
Recommended Product Lines
TSM Curtain Wall Board
Curtain wall fire stop and fire belt application. A1 non-combustible per EN 13501-1. Density and thickness sized for the cavity dimension between floor slab and curtain wall — request configuration sheet for your project geometry.
TSFB Premium Fireproof Black Board
Black-finish fireproof board for visible cavity stops and service penetration sealing. Same A1 fire performance as TSM with darkened surface for finish-exposed installations.
Standards & Certifications (Verified)
All certificates listed below are physically on file with downloadable PDFs. None are pending or in-progress.
Fire Protection Use Cases
Curtain Wall Fire Stop
Floor-to-curtain-wall void seal. A1 non-combustible mineral wool sized for the slab edge cavity. Local fire engineer specifies the assembly based on your local fire code (IBC, BS 9999, NFPA 285) and the test reports we provide.
Compartmentation
Internal fire-rated wall and floor compartmentation. A1 fire performance combines with sound transmission control. Engineer specifies the assembly per local code — we supply the documentation.
Cavity Barrier
Fire cavity barrier for ventilated facades and rainscreen systems. A1 non-combustible suits residential high-rise external facade requirements in jurisdictions with combustibility restrictions.
Service Penetration Sealing
Around HVAC ducts, electrical conduit, plumbing penetrations through fire-rated assemblies. Mineral wool packing combined with intumescent sealant per the firestop manufacturer's tested system.
Get Your Fire Protection Stone Wool Quote
Sample available · Free quote within 24 hours · MOQ 1 container · Test reports on request · Shipping from Qingdao Port