Re: fire stops
Foam in a can is used in fire blocking proceedures -- not in so much that it is immune to burning --- rather for stopping air ( starving the fire of oxygen ) movement from on space to another.
Originally Posted by Timothy Miller
Example --- where plumbing lines come up from the basement to the upper level --- the holes around the plumbing pipes need to be sealed if they will be enclosed in a wall cavity preventing air feeding oxygen to any potential fire.
The bright colored foam in a can is highly visiable for inspectors to easily see those pentrations have been sealed.
"" an ounce of perception -- a pound of obscure "