Shed Roof Ventilation Detail

Gaps in any type of insulation leak either your heat or cooling depending upon the season.

Shed roof ventilation detail.

If you must vent the shed roof the most workable fully vented roof assembly is the icehouse roof in which a first layer of sheathing is roofed with 15 felt or a waterproofing membrane and flashed tightly to the wall. Cold roof insulation between rafters wnapor barrier on warm side below orw sheatiiing roofing roofing 2 x 8 sleepers notched for vent aligned wi rafters flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide continuous air channel for ventilation 3 112 continuous screened vent continuos. Cor a vent s roof 2 wall vent does just what is says it s a complete ventilation package for the tough to vent detail where a pitched roof meets a vertical wall. Roof 2 wall vent has everything in the box you need to install.

If you want to vent your shed roof and don t want an attic space you ll need to allow air to travel from a vent at the lower eave to a vent at the higher eave between the roof sheathing and the metal roofing. 60 divided by 2 is 30 sq. Of vent surface in and 30 sq. Or smaller should have passive ventilation.

Typically you don t need a cupola with a ridge vent but it won t hurt anything to have one. Ensure there is proper continuous intake ventilation below proposed roof to wall ventilation. Shingle up to the area that requires the smartvent roof to wall vent application. Similarly a lean to saltbox or slanted roof shed can also be built with rafters and offers similar benefits in terms of headroom.

Step 2 measure 3 out from the wall where the smartvent will bend up on the wall. If you re installing a new shed aim one gable wall toward the prevailing wind. Shed roof ventilation instructions. Put down your first sheet of plywood at the corner of one end of the roof.

Of vent surface out. Make sure it s lying horizontally across the exposed rafters and that the edges are flush with the edges of the end rafters. If you insulate directly under the roof sheathing the heat from the sun will bake the life out of your shingles. Install a screened vent near the roof at both gable ends and let the wind move fresh air in and the fumes out.