Reinstate the fire resistance efficiency of wall and floor constructions Presenting excellent fire-resistance and ease of set up, this duct wrap is a space-preserving choice to cumbersome fire protection methods like gypsum wall shafts. ROCKWOOL Curtainrock® can be a stone wool insulation board suitable for use in ASTM E2307 examined https://troysvlym.pointblog.net/new-step-by-step-map-for-fire-rated-insulation-for-ductworth-83266205