3M™ Fire Barrier Mortar
3M™ Fire Barrier Mortar is a lightweight cementitious firestop product. It is available in poly/paper bags and ready for mixing with potable water. 3M™ Fire Barrier Mortar does not contain MMMF (man-made-mineral-fibers) or asbestos and does not require fibrous damming materials.
Specified Technologies SpecSeal® Mortar Firestop
With a combination of heat sinking and insulating properties, this lightweight, low-density mortar dries quickly and requires little support, making retrofit jobs fast and easy.
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