Pitched Lead Roof Details

Where a pitched roof abuts the wall at an angle.

Pitched lead roof details.

Wood core roll is used for joining bays of lead roofing also on steeply pitched roofs and lead cladding where a bold joint appearance is preferred. Non standard sizes are available. An open valley often 100mm or 150mm wide with a metal normally lead or sometimes a grp lining. Wood core roll is to be used to allow for the expansion and contraction in lead sheet and flashing.

Become a premium member to get access to 2d 3d cad models from our store choose your plan. However it is important to follow the basic principles of sizing and fixings as indicated in the rolled lead sheet manual to reduce the effects of fatigue cracking or creep. Valley tiles which allow the roof to be continued round corners they are special tiles which are the opposite of a hip tile really. Slate upstands are available in five diameters from the 50mm to 150mm at angles of 30 and 45 to the base for pitched roofs and 90 for flat roofs.

They can only be used when the pitches of the two roofs are identical. 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. Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing image details roofing wrb flashing. Our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing.

Clips to hold lead permanently in position. Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof. The base dimensions of the slates are 450mm x 450mm and the minimum upstand height at the saddle side of the pipe base joint is 150mm.