Discussion Forum
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DO NOT use canned poly foam (including ‘fireblock’ products) to seal recessed lights or any hot surface
Canned poly foam is very flammable, with an ignition temperature of only ~240 degrees F. This is also true for foam products with "fireblock" or "firestop" on the label, e.g.…
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Great Stuff foam: very useful for gaps — but better solutions for fireblocking
Hello all! We are wrapping up the deep remodel of a beach house built in 1950 -- which required up-to-Code upgrades for insulation, air sealing, fireblocking, etc, etc. I discovered…
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DOW Great Stuff ‘Fireblock’ – Watch Out!
DOW Great Stuff 'Fireblock' Will Catch Fire Before Your Studs! I was recently working on a major remodel for a home along the shore in Massachusetts, down to the studs…
Reader Projects
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A Better Way to protect your deck stair stringers from cracks and rot
All of the notches cut for stair treads create feet of open, exposed wood grain that soak up water, encouraging cracks and rot that weaken the stringer. There is a…
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A Better Way to Attach Deck / Outdoor Stairs to Your Concrete Footing Pad
Would you mount your deck posts directly on concrete? Of course not! Water will rot the end of the post, even PT. So don't mount your stair stringers directly on…