Readers ask: Can You Put Insulation Around A Dryer Vent?

If your vent runs through a duct compartment, you can fill the entire compartment with fiberglass insulation, so long as the pipe is completely covered. If you prefer to wrap the pipe, a thinner rolled insulation is better.

Is it OK to insulate around a dryer vent?

DRYER DUCTS DON’T NEED TO BE INSULATED. Insulation will help prevent the moisture in the exhaust air from freezing inside the pipe, which would later lead to condensation and potential moisture problems when the pipe warms up and the ice melts.

How do you insulate around a dryer vent?

Spray foam or silicone caulk are ideal for sealing dryer vent gaps, and provide a durable seal that blocks pests and eliminates air infiltration, says the Centers for Disease Control and Prevention. The product you should use depends on the size of the gap you need to seal.

Can a dryer vent touch fiberglass insulation?

If the vent runs through a duct compartment, you can fill the entire compartment with fiberglass insulation if the pipe is completely covered. A thinner rolled insulation is better for wrapping the pipe.

Can you put insulation around vent pipe?

The recommended depth for attic insulation is usually 10-14 inches (source). If you have used a 14-inch flashing around the vent pipe, it should be easy to insulate to this level while still maintaining a 4-inch gap at the top.

How do I keep cold air from coming in my dryer vent?

One of the easiest and low-cost ways to keep cold air from coming through the dryer vent is to install what is called a “Dryer Vent Draft Blocker.” A dryer vent draft blocker gets installed on the interior of the home, and it goes between the vent ductwork and exterior wall opening.

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Is Fiberglass Insulation flammable?

Fiberglass and mineral wool insulation Materials are noncombustible, and remain so for the life of the product. They require no additional fire-retardant chemical treatments—in fact, unfaced fiberglass and mineral wool are accepted as a fire block in wood frames.

How hot does AB vent get?

Type B Vents any appliance that produces flue gasses that exceed 480° F (249° C).