Diy Attic Ventilation

The ice traps water behind it allowing the water to seep back under the shingles and leak through the roof.

Diy attic ventilation.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. To save time use an existing roof or gable vent to install your new attic fan. This product measures 16 in. With the help of an assistant raise the vent up to the soffit and center it over the cutout slot.

In the winter warm moist air seeps into the attic from the. Provide ventilation for your chosen location with the provide ventilation for your chosen location with the al s millworks 16 in. Next lay the strip vent down on a flat wood surface such as a plywood sheet or long 2 x 4 and drill 1 8 in dia. Wide and is made of western red cedar.

Step 5 attach the vent to the soffit photo by merle henkenius. In the summer good attic ventilation reduces heat buildup. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the. This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan. Cedar wood rectangular louver vent. Although you can buy manufactured gable vents you might want to build your own wooden vent that matches your home or building s exterior.

Without it you could be wasting a lot of money. Space the holes 12 to 14 in. This article will show you how it can be done. These ice dams form when warm attic air melts the snow on the roof and the water refreezes along the colder edge of the roof.

By the diy experts of the family handyman magazine. Intake vents located at the lowest part of the roof under the eaves allow cool. That cuts cooling costs and prolongs shingle life. Time a full day complexity intermediate cost less than 20.

You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. Both can be added to uninsulated attics or layered over existing material. Loose fill or batt the common term for blanket insulation. Screw holes through both flanges.

More product details close. Increased ventilation will make the entire roof cold and reduce or eliminate ice dams. How to determine whether you need better attic ventilation.