Flat Roof To Pitched Roof Abutment Detail

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.

Flat roof to pitched roof abutment detail.

Cut tiles neatly to form detail at junction with verge undercloak. Fix timber batten in line with rake of verge undercloak to provide fixing for cut vertical gable tiles. Detail drawings and specifications for submission to building regulations. The rooflight should always be pitched away from the abutment detail to minimise the chance of water ingress.

Once installed the wall abutment frame should be flashed over to fully weather proof it. Warm roof upstand to abutment wall with cover flashing. Flat roof construction for residential. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal.

Details for pitched roofs and flat roofs verge detail eaves detail mansard roof valley detail etc. Extend underlay on main roof to overlap vertical underlay by a minimum 150mm. Flat roofs and pitched roofs exist side by side as equal partners. Warm roof to valley.

Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof. Warm roof pitched roof junction. The wall abutment detail is part of the flushglaze framework and should be secured using suitable fixings dependent on the structure being used. 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 with peel stop to change in level. Ensure that verge undercloak extends a minimum 38to 50mm beyond face of vertical tiling. 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.