Q: I have a crawlspace under our home where the north and east walls are insulated on the inside with 3/4-inch blue foam board. Do I need to have a fire-resistant or -retardant covering over it by ...
When it comes to the plenum area, “out of sight” must never become “out of mind.” Whether located under an elevated floor, such as in a data center, or above the dropdown ceiling of a conference room, ...
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