Dap Blockade is a single component, water-based intumescent, acrylic firestop sealant that meets ASTM E814/UL 1479 and is 4 hour system tested. It treats general firestopping applications for combustible and non-combustible penetrations. The intumescent expansion fills voids created by combustible materials burned during a fire. Blockade also has exceptional sealant qualities, such as superb unprimed adhesion, excellent flexibility, easy gunning, and is paintable once fully cured. It is low in odor and cleans up easily with water. The red color is easily recognized as a firestop sealant. Interior use.
- Treats general firestopping applications for combustible and non-combustible penetrations
- Meets ASTM E814/UL 1479: Standard Test Method for Fire Tests of Penetration Firestop Systems
- 4 hour system tested
- Intumescent expansion fills voids created by combustible materials burned during a fire
- Excellent adhesion to unprimed surfaces
- Red color easily recognized as a firestop sealant
- Easy water clean-up & low odor
- Interior use
- Base Polymer: Acrylic latex