If a sprocketted or bell-cast detail is used, then eaves courses should be no lower than the minimum recommended roof pitch. Fix a screen to prevent ingress of birds, rodents and large insects etc, or use proprietary rafter spacer tray with integral screen to provide a clear air path between underlay and insulation.

A verge is the edge of a pitched roof as it meets the gable end. Traditionally mortared to prevent rain and wind ingress but now proprietary dry verge systems are available.

Jan 7, 2010 · The following illustrations are intended as a guide to demonstrate the general principles of flat roof detailing commonly used on warm flat roofs and balconies. Where indicated, the principles are applicable to other types of roof construction.

Flat roof, verge detail. Warm roof insulation above roof deck. Features of this detail: masonry cavity wall, facing brickwork, flat roof, single ply membrane, verge, edge. Update June 2022: Improvements to thermal performance to ensure compliance with updated Part L. Minor amendments for updated Building Regulations.

If a sprocketted or bell-cast detail is used, then eaves courses should be no lower than the minimum recommended roof pitch (35 degrees). Fix a plywood board or proprietary tray to provide continuous support to underlay to prevent water retaining troughs.

Customize drawings for submittal packages without the use of CAD software using GAF Interactive Detail PDFs. Learn more today.

A selection of roof detail drawings including flat roof details, pitched roof details, mansard roof detail, parapet, verge, ridge and eaves details. Drawings are downloadable in JPG (1600px x 1200px), PDF, DXF and DWG (CAD) formats. Note: Detail Drawings are applicable to work in England & Wales only.

Good setting out of the roof tiles/slates is critical to the successful construction of a wet undercloaked verge. Setting out the roof and installing the undercloaks

A verge on a pitched roof is the edge of the roof where the slates meet the gable walls. They serve to seal the roof edge and prevent water ingress. Slates can be secured at the edges using lead, zinc or GRP flashings, cement mortar or mechanical …

This detail shows a verge / gable detail between an existing solid masonry wall and a refurbished slate roof with insulation between and under the rafters. Ventilation requirements are dependent on the existing roof requirements, insulation specification, location and exposure of the roof.