There are several methods of weathering the junction between the tiling and a.
Flat roof to pitched roof abutment detail.
Once installed the wall abutment frame should be flashed over to fully weather proof it.
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.
Of all the common standard details found on a tiled pitched roof side abutments cause considerable confusion.
Warm roof with peel stop to change in level.
The wall abutment detail is part of the flushglaze framework and should be secured using suitable fixings dependent on the structure being used.
Side abutment cover flashing side abutment secret gutter side abutment soakers pre formed secret gutters and individual soakers for use with single lapped flat tiles are available in materials such as grp.
Fix timber batten in line with rake of verge undercloak to provide fixing for cut vertical gable tiles.
Warm roof upstand to abutment wall with cover flashing.
Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof.
Flat roofs and pitched roofs exist side by side as equal partners.
Warm roof to ridge.
Extend underlay on main roof to overlap vertical underlay by a minimum 150mm.
Warm roof pitched roof junction.
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.
In this video i will be installing an abutment soaker also known commonly as an abutment gutter or secret gutter.
Cut tiles neatly to form detail at junction with verge undercloak.
This is a slightly unusual example as it s.
The rooflight should always be pitched away from the abutment detail to minimise the chance of water ingress.
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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.
As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.
Where a pitched roof abuts the wall at an angle.
