---
title: "Rock Wool vs Glass Wool: Fire, Thermal and Durability Compared"
description: "Rock wool vs glass wool compared across six properties: reaction to fire (EN 13501-1), service temperature, thermal conductivity, density, acoustics and water resistance — to choose the right mineral wool insulation."
url: "https://stenvak.com/en/resources/rock-wool-vs-glass-wool"
source: "Generated from messages/en.json meta + SSOT — do not edit by hand."
---

# Rock Wool vs Glass Wool: Fire, Thermal and Durability Compared

Rock wool vs glass wool compared across six properties: reaction to fire (EN 13501-1), service temperature, thermal conductivity, density, acoustics and water resistance — to choose the right mineral wool insulation.

> Stenvak distributes Taishi® Rock Wool insulation to B2B buyers in 40+ export markets. Manufactured by Shandong Taishi Group, founded 2011, with 600,000 t/y capacity across 6 production bases in Tai'an, Shandong, China. FM Approved, CCS, CE (EN 13162), KS, GOST, RoHS certified. Authoritative datasheets and certifications available on the website.

Stenvak is the trade name of the international distribution arm. Taishi® is the upstream manufacturer brand (ingredient branding model). Contact: info@stenvak.com · WhatsApp +86 137-3139-6666.

Canonical page: https://stenvak.com/en/resources/rock-wool-vs-glass-wool