Roof Baffle Detail

Finish by tacking the pre folded tail to the top of the wall top plate.

Roof baffle detail.

This condition requires a baffle for the same reason as detail b. This air baffle is engineered and tested to prevent air from entering the piping system at peak flows. That airflow is intended to churn the stale air in your attic which helps to remove moisture and control the temperature of your attic. The distinguishing feature of a siphonic roof drain is the air baffle.

Hot uneven rooms in your house will be a thing of the past. The accuvent soffit insulation baffle is made of rigid recycled plastic. Without fresh air from the soffit vents your roof top vents such as. For roof pitchesless than 6 inches per foot the flashing extends at least 12 inches.

This detail also shows a different cant strip other methods of raising the shingles away from the copper are shown in details a. Baffles establish a channel for air to circulate between the insulation and the roof sheathing. If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before it can traverse the attic. Rafter vent with built in baffle helps keep air moving in your attic.

The ado products durovent 23 1 2 in. These baffles should still be air sealed with spray foam but they re a good option if you re looking for a stock product. A siphonic roof drain looks much like a traditional roof drain. The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top plate.

It s more durable than other foam based products and installs quickly with staples. Ridge vents turbines powered fans and solar fans will not function properly. The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit. It canbe constructed as shown in either detail.

The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top plate. Staple the ventilation channel and baffle flanges to the sides of the trusses once the baffle block is vertically aligned with exterior of the wall top plate and the cones are touching the roof deck across the vent body. Baffles are chutes that when installed properly can provide a channel for air to flow from your exterior soffit vents up into your attic space. Without an attic baffle there will not be any air space for fresh air to enter the attic from the soffit vents.

As with attic floor insulation moisture and heat removal are the reasons for creating proper air.