Flat Roof Upstand Flashing

Bs 6229 2003 flat roofs with continuously supported coverings code of practice and bs 8217 2005 reinforced bitumen membranes for roofing code of practice both state that if unwanted water ingress into the building is to be avoided all weatherproofing upstands occurring around the roof area.

Flat roof upstand flashing.

With this collar a tight and homogeneous flashing against the roofing membrane can be achieved far quicker than with manual flashing. The waterproof membrane extends 150mm height in the door reveal and roof abutment wall adjacent. British standard bs 6229 2003 flat roofs with continuously supported coverings section 7 page 12 requires that. Typical methods include banding pitch pockets and cover flashings.

Lead flashing maximum length. 1 5 mm available in any. Which would include abutments rooflights. The waterproof membrane flashing extends fully below the door frame bottom rail and is sealed to it.

Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing. An approved sealant is then applied to the top of the membrane upstand before it is tied off with a jubilee clip. Completely pre assembled at the factory full size adhesive bond of the flashing collar on the upstand material thickness of the sealing layer. What typical detailing methods are used to seal flat roof penetrations.

How to terminate epdm membrane at an upstand wall end using quickseam formflash tape application. A horizontal gap of minimum 10mm is maintained between frame front edge and drainage channel. Sealing joins and making neat terminations is so easy with. This type of flashing can be used on the front and backs of chimneys abutting brickwork on flat roofs or where a roof meets the brickwork of a house or outbuilding.

The requirement for flat roof upstands is set out in the british standard. Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm.