Flat Roof No Overhang
No air leaks from underneath no problems.
Flat roof no overhang. However in many situations the insulation may need to be primarily or entirely below the flat roof membrane and between the roof joists if so what are the best options. Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge. Ultimately they offer low exterior maintenance and thus invite savings. With the west east overhangs the main use is siding window protection and keeping rain snow from foundation.
The size of the roof overhang you choose depends largely on the style of your shed s roof. For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves. Unvented flat roofs a technical discussion flat roofs have often been built with the insulation all on top of the vapor closed drainage plane as this avoids dew point condensation issues inboard of the roofing. Ways to frame the roof overhang.
Venting solutions for roofs with no overhang or soffit install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles. With our house we are planning minimal east and west overhangs and ample south and north overhangs. We love the look of the no overhang scottish style roof line as well. Most sources i ve read attribute the use of hip roofs with no overhang primarily for withstanding wind especially effective with hip roof usage 100 mph winds etc.
With a flat shed roof the roof simply extends past the wall plate to provide an overhang. The lack of a gutter or overhang on the back as in 23 s link does mean that the windows on that wall get more direct rainwater and i ve had some minor moisture problems with the wood windows as a result. As a rule there are two popular methods in framing it pant or flat roof overhang and gable roof overhang. Roof edge detail overhang extended to hide the thickness of the over roofing rigid insulation.
Because there is so little danger of water damage there is no required overhang and overhang lengths are minimal and sometimes nonexistent. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Leave a reply cancel reply. That keeps the roof runoff off of the siding and the siding seems to handle direct rain without a problem.
There s no overhang soffit but on three sides i have a 6 wide half round gutter system. Certain southwestern and western areas of the united states fall into this category. Gable roofs even with no overhang are at a disadvantage in high winds. We will protect shade the west windows with cedar awnings grates.
Modern flat roof house plans have a lot to offer in terms of generous roof overhangs. No roof leaks no problems. Framing the roof overhang is basically in line with the style and shape of your flooring.