Warm Flat Roof Construction Details Building Regulations

Warm deck sandwich or cold deck.

Warm flat roof construction details building regulations.

A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. No ventilation is required for these types of roofs. These things will affect the timing cost and overall running of your project. There are two ways to insulate a roof.

Make sure your comply with flat roof building regulations. Flat roof this usually consists of felting which has a slight fall to allow rain water to drain off. A flat roof must be strong durable and stable throughout its lifetime. To enable compliance with the requirements of the building regulations to be demonstrated full details of the new roof will be needed including materials and their dimensions and performance properties.

Warm deck this is where the insulation is placed on top of the rafters joists and the roof covering is then placed over the insulation. There should be no insulation below the deck and no ventilation is required. It must provide adequate protection against the elements keeping the buildings structure and interior dry. The building regulations in the uk provide guidance on roof design.

Flat roof details and information relating to insulating a flat roof. Cold deck this is where the insulation is placed between the joists rafters or in between the ceiling joists in the case of a pitch roof. Warm deck roof with this type of roof the insulation is placed above the roof deck but below the weatherproofing. Flat roof types.

Flat roofs there are two common forms of construction for flat roofs.