How To Vent A House Roof

The most common types of vents are soffits static exhaust vents and ridge vents that span your entire roof and you can install all of them easily with a few tools from.

How to vent a house roof.

Next install your vent or stack flashing over that row of shingles photo 13. Nail it down with your roofing gun top and bottom. However to function effectively these vents rely on strong winds. The old still reliable method of venting the soffit.

Trim the shingles with your utility knife photo 14. Seal the top nail holes and continue on up with your shingles. Air flows in through the soffit vents and out through the roof vents. So i ll start by saying something that might sound controversial but really isn t.

We chose rectangular hooded roofing vents and rectangular soffit vents because they re easy to install. Roof vents are devices that allow moisture in your home to escape and prevent the growth of mold and mildew. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. Vents come in various styles.

Beneath the roof eaves in the soffit is the standard place to install intake vents because it s the lowest spot in the roof. Continuous or individual soffits. Rather than being installed on the roof gable vents are installed on the exterior side wall of the house near the roof ridge. Soffit vents are one of the most popular intake vent styles.

They help air flow out of the attic and prevent snow and moisture to enter the attic this adds years to the life of the roof. It s best to leave this to a professional. If your attic is hot and humid in the summer you may need to install additional vents at the eaves and at the ridge of the roof. For every 300 square feet 28 m 2 in your home you should have at least 1 square foot 0 093 m 2 of ventilation.

So much information has been devoted to the subject of roof venting that it s easy to become confused and to lose focus. A vented attic where insulation is placed on an air sealed attic floor is one of the most underappreciated building assemblies that we have in the history of building science.