Attic Vent Holes

Calculate or enter the square footage of the attic or area to be vented.

Attic vent holes.

In other words the entire vent opening doesn t count as vented space. From the roof the roofer will cut away shingles and underlayment and use a saber saw to cut a hole the same size as the diameter of the vent. This will keep out pests without restricting airflow through the vent holes. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them.

It actually makes sense if you think about it. These vents are static vents that are placed over holes in the roof close to the roof ridge. Bees often enter homes and structures through attic ventilation holes. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.

Many people mistake off ridge vents for box vents and while they are very similar in their functions they do have some differences. A roofer will from the attic mark a spot near the ridge of the roof he may first use nails from the attic to mark preferred spots between two rafters. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. But before you cut any holes plan the locations of the attic vents.

Intake vents located at the lowest part of the roof under the eaves allow cool. Hardware cloth is fairly rigid mesh with heavy gauge wire that is not easily damaged by animals. Buy hardware cloth with 1 8 inch or 1 4 inch openings. This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work.

Unlike box vents which are square off ridge vents are usually much longer and thinner. Photos 1 6 show how it s done. Square gable vent functions as a decorative accent to your home while providing maximum attic ventilation. It s one of the more common places bees enter in order to build their hives.

The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. The answer is to cover the holes with a type of metal mesh called hardware cloth. Once the swarm is inside the attic they can build a hive in a place that is up high usually deserted and can often go undetected by homeowners.

Its two piece design is fully compatible with all siding profiles ply gem gable vents are designed to withstand the toughest weather and retain their beauty year after year. Adding attic vents is a simple matter of cutting holes and installing vents.