Altitude vs Pressure

May 13, 2015
Let’s think about what happens in fire. Let’s imagine for one horrible moment that there...
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Membrane penetration

May 12, 2015
The building code says in section 714.3.2 that recessed fixtures shall be reduced. Is a...
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Do I need to firestop everything? Maybe you don’t…

May 11, 2015
I talk firestop and all the things you should firestop. I don’t talk much about...
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