How To Vent A House Roof

It s best to leave this to a professional.

How to vent a house roof.

Air flows in through the soffit vents and out through the roof vents. They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic. Vents come in various styles. The old still reliable method of venting the soffit.

Trim the shingles with your utility knife photo 14. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. Soffit vents are one of the most popular intake vent styles. So i ll start by saying something that might sound controversial but really isn t.

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. Next install your vent or stack flashing over that row of shingles photo 13. 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. 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.

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. So much information has been devoted to the subject of roof venting that it s easy to become confused and to lose focus. Some vent and stack flashing is covered in protective plastic which will have to be removed. We chose rectangular hooded roofing vents and rectangular soffit vents because they re easy to install.

Seal the top nail holes and continue on up with your shingles. Beneath the roof eaves in the soffit is the standard place to install intake vents because it s the lowest spot in the roof. Nail it down with your roofing gun top and bottom. However to function effectively these vents rely on strong winds.

Make sure that each vent and screen is painted to prevent deterioration and that the screens are secured to the frame of the vent. 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.