Non-slump.
Smoke and FireResistant - Fire resistant for more than 4 hours without the use of any backfilling material.Paintable and Flexible - This fire block sealant provides exceptional flexibility and dyeability for insulation in wood, steel, and PVC, as well as in other areas where fire resistance is required.Non- Sag Application - Will not sag or run for heat barrier insulation when used vertically or overhangingly.1 oz, White Acrylic Sealant - Kraken Bond Fire Block Caulk is a single-component, water-based, fire rated acrylic sealant that can be used to seal seams and joints in materials like concrete, stone, and cement.