Ventilated Lead Roof Details

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.

Ventilated lead roof details.

Prime top surface of. To provide ventilation opening points can usually be provided on the following areas of a pitched roof. 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. The enclosed void of a warm pitched roof does not require to be ventilated.

Eaves soffits and fascias. A 30 sq min 1 5 lb to 4 lb lead or 16 oz copper flashing adhered onto finished roof with m300 rubrmastic. Where a warm roof is used a ventilation void should be provided between the insulation and the timber decking supporting the lead if there is sufficient height available. With the introduction of vapour permeable plastics underlays the need to create ventilated voids above inclined insulation and the requirement to ventilate cold roof lofts may be reduced.

Soffit vents are one of the most popular intake vent styles. For guidance on the amount of ventilation required reference should be made to british standards 5250 and 6229. Continuous or individual soffits. Rather than actively ventilating to the outside entrapped water vapour diffuses.

Fd09 roof top chimney pipe detail fd10 roof top plumbing vent pipe detail fd11 sheet metal pipe enclosure detail fd12 roof top pipe roller support detail. For each of these areas there are numerous products to suit different applications and construction details. They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic. Airtrak is a proprietary range of ventilators designed specifically for the ventilation of roof voids.

Associated lead mills ltd jamestown metals ltd unit b bingley road hoddesdon en11 0nx 2. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home. Why rolled lead. 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.