Lead Roof Details

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.

Lead roof details.

Small over flashings or leak soakers. Also known as the built up roof bur this type of flat roof features three or more layers of waterproof material mixed in an alternating fashion with hot tar and a layer of smooth stone like gravel. Laps between pieces should not be less than 100mm. As you might imagine this is the cheapest version possible and good for covering a shed.

An acid cure will give rise to white tains on the lead s n life expectancy of 20 years. Lead for the purpose fitting to a roof or bay window really starts at code 4 in theory if the roof is small enough you could use code 3 but this would normally be classed as a flashing lead i e. Wti weatherproofing technologies inc a subsidiary of tremco incorporated provides roofing services construction management and general contracting. N neutral cure product.

Lead sheet one of the oldest and most durable roofing materials has been known to last for over 200 years. Lead covered roofs typical of many churches and cathedrals. 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. Endorsing the current bs6915 code of practice the lead sheet manual provides comprehensive technical information detailed.

The rolled lead sheet manual has set the technical standards for the industry for many years and is the essential reference point for leadworkers architects and specifiers using rolled lead sheet to bs en 12588. N cleaner quicker and easier to use than mortar with high adhesion to both lead and masonry. Code 4 lead sheet is normally used for this work and it is important that the length of each piece of flashing does not exceed 1 5m. Cover flashings are used where a felt or similar roof covering turns up against a wall.

Tremco roofing offers the industry s most comprehensive roofing and weatherproofing solutions for restoration repair maintenance replacement and new construction. Whilst shaping some of the oldest and most beautiful architecture lead is regularly used in more modest commercial and domestic roofing too from whole roof coverings porches turrets and parapet roofing to modern roof waterproofing details like flashings valleys and gutters. Use a straight piece of batten to mark a line 25mm from the top edge of. 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.

N designed for lead masonry and lead brick pointed work. One particular problem which has been the subject of increasing concern speculation and debate is the tendency for condensation on the underside of metal roofs to cause corrosion. N avoids problems of cracking and lack of adhesion associated with mortar joints.