Flat Pitched Roof Junction Details

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.

Flat pitched roof junction details.

Back to flat roof construction. Pitched roofs come in a variety of styles such as gable cross gable and hipped all of which are sloped to different degrees. Although the construction of the actual roof component of a parapet roof is almost identical to a typical pitched roof it is wise to use a greater minimum roof pitch than is recommended by the roof sheet manufacturer to ensure that no back flow of water occurs at the junction with the parapet wall. Roof deck providing the base for the waterproof membrane and in some cases the insulation.

Ventilated roofspace eaves. Please fill in your details below to access our full list of standard details for sika sarnafils range of systems. A flat roof usually consists of the following. It has a slope of 2 3.

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. Single ply roof types cold flat roofs warm flat roofs. It appears to be flat but it needs a slope to allow the water to drain from the roof. Wall roof junction scottish building standards.

Wall roof junction scottish building standards. Instead the roof must be done with a modified bituminous membrane e g. Flat roofs have no slope and are available in built up single ply. Armourvalley or other materials like epdm pvc or tpo covering.

Warm roof with peel stop to change in level. A flat roof isn t actually flat. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. For slopes less than 9 5 we cannot install roof shingles.

To discuss your project in more detail please contact your local area manager. Warm roof to pitched roof junction mansard. Wall roof junction scottish building standards. For this content to be displayed you need to accept all cookies in the cookie settings and confirm your selection or by clicking the.

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 timber frame timber clad eaves details window frame window lintel window sill manholes soakaway sanitary pipework basements etc.