Pitched Roof Flat Roof Junction
2 09 suspended ground floor slab.
Pitched roof flat roof junction. Anything pitched 3 and 12 or less is considered a low sloped roof. Flat roof connected to pitch roof a flat roof isn t actually flat. For slopes less than 9 5 we cannot install roof shingles. Click the image for low res preview.
Wall roof junction scottish building standards. Detail number product name junction type developer wall type wall u value w m 2 k roof u value w m 2 k sap k1 ref bre ψ value w mk bre temp. Wall ground floor junction scottish building standards. Here are some new building regs drawings including mansard roof edge parapet wall box gutter verge detail pitched roof flat roof abutment threshold welted drip for external gutter pitched roof to wall junction pipe through wall joist hangers window frame window lintel window sill manholes soakaway etc.
It has a slope of 2 3. It appears to be flat but it needs a slope to allow the water to drain from the roof. This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof. Definition of roofs slopes flat roof a flat roof is defined by having a roof pitch below 15 degrees or a fall of 1 in 40 and can comprise of different products pitched roof a pitched roof is defined by having a roof pitch above 15 degrees or above fall of 1 in 40.
Junction type developer wall type wall u value w m 2 k floor u value w m 2 k sap k1 ref bre ψ value w mk bre temp. There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof. Click the image for low res preview. When we roof a flat or low slope roof we use a membrane system to cover it.
Also some timber frame details. A selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details. If a roof rises one inch over 12 inches it s called a 1 in 12 and it would be a low slope. According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
A 900 square foot flat roof in the san francisco area made of concrete tiles costs.