Description
NON COMBUSTIBLE: Does not enhance flame or smoke
MEETS FEDERAL SPECIFICATIONS: Meets ASTM C136 & ASTM E815. Made in the USA
RED COLOR FOR EASY IDENTIFICATION: Easily identified by building inspectors
EXCELLENT ADHESION: Adheres to wood and masonry materials
VOC COMPLIANT: Does not emit harmful fumes
Product Description
Smoke Block is an advanced non-combustible sealant that minimizes airflow within wall cavities without contributing to the wall’s fuel load. Provides smoke and draft re-blocking in wood frame walls and floors. Used to fill the circular space around penetrants and along seams to openings throughout the entire building envelope. Made in the USA.
From the Manufacturer
A non-combustible sealer that is used to fill the annular space around penetrants and along seams to openings throughout the entire building. When installed properly, it will provide fireblocking as well as smoke and draft stopping in wood frame walls and floors.

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