Pitched Lead Roof Details
Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.
Pitched lead roof details. Part 3 of the four part guide to roof construction covers pitched roof detail. Click the image for low res preview. A selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details. It can be inclined above between or below the rafters forming a warm or hybrid roof or positioned in the roof structure in different ways where a room in roof is to be created that can result in warm and cold roof construction types.
In pitched roof construction the insulation can be placed horizontally above the ceiling level forming a cold roof. Clips to hold lead permanently in position. Lead sheet is a soft and malleable metal which means it s an excellent roofing material because it can be formed and shaped to suit any detail. Horizontal flashings should provide weathering to a minimum of 75mm above the intersection with the roof.
Where a pitched roof abuts the wall at an angle. Pitched or sloping roof a pitched or slanted roof has a terrain of at least 15 but it is often much more. 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. An architect makes the usual decision of the pitch.
Roll detail at drips and abutments 41 flat roof roll and drip intersections 42 pitched roof joints and fixings 43 pitched roof intersection with valley 44 vertical cladding joints and fixings 45 vertical cladding head finishes 46 dormer windows jambs and s ill 46 dormer windows tops jambs soffit and side cheeks 47. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. It is shaped to prevent wind lift. 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.
To get the most out of it is helpful to also read parts 1 and 2. Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. Wood core roll is to be used to allow for the expansion and contraction in lead sheet and flashing. 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.
Click the image for low res preview. A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70. For longer slopes and lower roof pitches contact fabral for other suitable profiles.