Flat Roof Abutment Detail

Weatherproofing shall be provided at abutments flat roof intersections changes in slopes and projections to resist the passage of moisture to the inside of the building.

Flat roof abutment detail.

This autocad drawing can be used in your detail design cad drawings. 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. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used. There are two types of flat roof.

Issues to be taken into account include. The rav fl promotes air entry where a flat roof abuts a vertical masonry wall. Additional construction details drawings. Download this free 2d cad block of a typical abutment to flat roof including dimensions and annotations.

As the single ply roofing association spra points out this type of flat roofing is strong durable completely sealed and usually lasts at least 25 30 years. It is supplied with pre drilled fixing holes and an integral insect resistant grille. Cold roofs and warm roofs. Download this free cad block of a roof detail comprising a flat roof abutment detail to an existing building below the eaves level in section view.

Which would include abutments rooflights. For this content to be displayed you need to accept all cookies in the cookie settings and confirm your selection or by clicking the. Details and drawings of the roof edge with abutment attic using alwitra products. As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.

Alwitra flat roof details. Each unit is 1 2 metres in length and the heavy duty profile incorporates an integral pivothold hinge. Autocad 2000 dwg format our cad drawings are purged to keep the files clean of any unwanted layers. The following illustrations and text explain the common main vertical tile design details that can occur on refurbishment and new work to abutments vertical tiling junction with verge extend underlay on main roof to overlap vertical underlay by a minimum 150mm.

Autocad 2000 dwg format our cad drawings are purged to keep the files clean of any unwanted layers. Download them free of charge. Ensure that verge undercloak extends a minimum 38to 50mm beyond face of vertical tiling.