Flat Roof Abutment Ventilation Detail

Flat roof ventilation is achieved by creating air changes to the attic or plenum.

Flat roof abutment ventilation detail. Flat roof ventilation allows for the circulation of air in the property particularly for warmer rooms in residential buildings. Abutment ventilation system the abutment ventilation system provides a continuous unobtrusive weathertight air path from the roof void to the outside to comply with the requirements of the building regulations. The innovative design enables the system and leadwork to be installed far quicker than traditional methods. Protect roofing underlay flat to pitched roof junction code 4 or 5 lead or aluflash.

Large fixing holes aid easy and accurate positioning on top of facia boards and upstands. When thermal insulation is placed below the deck the ventilation must also be on the underside. There are two types of flat roof systems warm and cold roofs which affect the positioning of the ventilation. Free airflow rating 25 000mm.

Removal of excess heat and moisture will help the life of the roof and will help the functionality and efficiency of the hvac systems. Each unit is 1 2 metres in length and the heavy duty profile incorporates an integral pivothold hinge. Abutment ventilation our collection of flat roof abutment ventilation products provide you with everything you need to add ventilation to abutment roof details. To provide ventilation where flat roofs abut masonry.

Monovent at roof wall abutment to provide ventilation of 5000mm 2 m in accordance with building regulations. Mr50 monovent provides unobtrusive ventilation to top edge abutments of lean to roofs. Mr50 monovent is recommended be used in conjunction with glidevale eaves ventilation systems to ensure through ventilation of the roof space from low to high level. We stock products from glidevale and manthorpe including high level abutment vents abutment flash vents and monovent lead to roof ventilator.

Used to provide ventilation where flat roofs abut masonry. For roof pitches less than 15. Ventilation is crucial to these areas as they affect the building as a whole both inside and out. Flat roof ventilation is beneficial to flat roofs in all climate zones no matter the color of the roof.

Alwitra flat roof details. Fixed to the top of the facia board or timber upstand at the abutment to introduce air into the roof void. Rav fl 1 2 metres x 200mm o a x 50mm o a x 3mm thickness. With traditional lead roll details on plain tile and slate roofs.

Find all available details and drawings of vents for flat roofs in the format dxf pdf and dwg as downloads here. Integral ventilation grille promotes equivalent of a 25mm continuous gap. Fr250br rytons flat roof abutment ventilator 897mm l flat roof and abutment ventilator.