Roof Baffle Detail

Other than the baffle a siphonic roof drain has the same features as a traditional roof drain including a.

Roof baffle detail.

The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit. Finish by tacking the pre folded tail to the top of the wall top plate. For roof pitchesless than 6 inches per foot the flashing extends at least 12 inches. The ado products durovent 23 1 2 in.

This air baffle is engineered and tested to prevent air from entering the piping system at peak flows. These baffles should still be air sealed with spray foam but they re a good option if you re looking for a stock product. It canbe constructed as shown in either detail. Rafter vent with built in baffle helps keep air moving in your attic.

This detail also shows a different cant strip other methods of raising the shingles away from the copper are shown in details a. 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. Without fresh air from the soffit vents your roof top vents such as. 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.

As with attic floor insulation moisture and heat removal are the reasons for creating proper air. The ado products durovent 23 1 2 in. A siphonic roof drain looks much like a traditional roof drain. That airflow is intended to churn the stale air in your attic which helps to remove moisture and control the temperature of your attic.

Ridge vents turbines powered fans and solar fans will not function properly. The distinguishing feature of a siphonic roof drain is the air baffle. 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. It s more durable than other foam based products and installs quickly with staples.

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 establish a channel for air to circulate between the insulation and the roof sheathing. The accuvent soffit insulation baffle is made of rigid recycled plastic. This condition requires a baffle for the same reason as detail b.

Rafter vent with built in baffle helps keep air moving in your attic.