Flat Roof No Overhang

Installed a new fully adhered membrane to the top of the old board sheathing prior to adding all that rigid insulation.
Flat roof no overhang. Inspirational modern flat roof homes. Gable roofs even with no overhang are at a disadvantage in high winds. 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. Because there is so little danger of water damage there is no required overhang and overhang lengths are minimal and sometimes nonexistent.
With our house we are planning minimal east and west overhangs and ample south and north overhangs. There s no overhang soffit but on three sides i have a 6 wide half round gutter system. With the west east overhangs the main use is siding window protection and keeping rain snow from foundation. That keeps the roof runoff off of the siding and the siding seems to handle direct rain without a problem.
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. Additionally forming this needs to pay attention to the edge of your roof. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge.
The size of the roof overhang you choose depends largely on the style of your shed s roof. We love the look of the no overhang scottish style roof line as well. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. No air leaks from underneath no problems.
As a rule there are two popular methods in framing it pant or flat roof overhang and gable roof overhang. For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves. Roof edge detail overhang extended to hide the thickness of the over roofing rigid insulation. Framing the roof overhang is basically in line with the style and shape of your flooring.
No roof leaks no problems. Modern flat roof house plans have a lot to offer in terms of generous roof overhangs. Leave a reply cancel reply. 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.
Ultimately they offer low exterior maintenance and thus invite savings. 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. Certain southwestern and western areas of the united states fall into this category.