Flat Roof To Pitched Roof Abutment Detail

Details for pitched roofs and flat roofs verge detail eaves detail mansard roof valley detail etc.

Flat roof to pitched roof abutment detail. 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. To discuss your project in more detail. Warm roof upstand to abutment wall with cover flashing. Warm roof to valley.

The rooflight should always be pitched away from the abutment detail to minimise the chance of water ingress. The wall abutment detail is part of the flushglaze framework and should be secured using suitable fixings dependent on the structure being used. Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof. 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.

Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Once installed the wall abutment frame should be flashed over to fully weather proof it. Ensure that verge undercloak extends a minimum 38to 50mm beyond face of vertical tiling. Warm roof pitched roof junction.

Fix timber batten in line with rake of verge undercloak to provide fixing for cut vertical gable tiles. Free cad detail drawing download of a flat roof abutment to be used in your construction cad drawings. Where a flat or pitched roof over an enclosed area abuts a wall or a balcony abuts a wall cavity trays should be linked to the flashing to prevent water penetrating into an enclosed area. Flat roofs and pitched roofs exist side by side as equal partners.

Warm roof with peel stop to change in level. Detail drawings and specifications for submission to building regulations. Extend underlay on main roof to overlap vertical underlay by a minimum 150mm. Cut tiles neatly to form detail at junction with verge undercloak.