Flat Roof Joining Pitched Roof Detail

The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high.

Flat roof joining pitched roof detail.

Yes even flat roof to wall intersections are not being properly done. Sometimes the builder roofer gets it wrong and quite literally creates a flat roof. A pitched roof is more expensive. This could mean flat roofs may not raise the same red flags they used to.

But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. However flat roofs require much more aggressive and consistent maintenance than a pitched roof. Let s look at a few factors first and what they might mean for a finished flat roof joint.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Of course you don t need to live in a modern house to deal with a flat roof. It is a significant renovation if you are converting from flat to pitched.

Flat roofs are hard to replace. They had the flat roof done in such a way that they had a barge to go up before they turned it onto the existing roof so when the tiles go back there is a drop from them to the flat roof less would do but water on a windy day is better off the further away it can be from a pitched roof. Roof detail drawings includes jpeg dxf and dwg cad via download a selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.

When new all flat roofs should have been built with a small fall to a gutter outlet pipe or hopper head to remove the rainwater. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.