Flat Roof To Pitched Roof Abutment Detail

Extend underlay on main roof to overlap vertical underlay by a minimum 150mm.

Flat roof to pitched roof abutment detail.

Warm roof upstand to abutment wall with cover flashing. The wall abutment detail is part of the flushglaze framework and should be secured using suitable fixings dependent on the structure being used. Warm roof to valley. Warm roof to ridge.

To discuss your project in more detail. Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof. The rooflight should always be pitched away from the abutment detail to minimise the chance of water ingress. Flat roof construction for residential.

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. Flat roofs and pitched roofs exist side by side as equal partners. Warm roof pitched roof junction.

Detail drawings and specifications for submission to building regulations. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. Cut tiles neatly to form detail at junction with verge undercloak. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.

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. Fix timber batten in line with rake of verge undercloak to provide fixing for cut vertical gable tiles. Warm roof with peel stop to change in level. Details for pitched roofs and flat roofs verge detail eaves detail mansard roof valley detail etc.