Cold Deck Roof Construction

The 18mm roof grade deck is then fixed on top of the rafters leaving.

Cold deck roof construction.

Ashford building services can quickly and economically convert any cold deck flat roof to a warm deck insulated flat roof particularly where problems have been tackled sooner rather than later. It is usually the most acceptable type of construction for domestic possessions and belongings as it avoids the need for aeration of the roof construction. Less thermally efficient than a warm roof construction cold roof construction remains the most common form of construction for existing flat roofs. The membrane is then attached to the insulation.

In the case of cold. Introduction warm cold roofs this guidance offers guidance on the difference benefits between warm and cold roofs. In case of warm roofs they have an insulation above the roof deck in this way it keeps the deck warm. A cold deck is constructed as follows.

The insulation material is placed immediately above the ceiling between the rafters. Plywood the insulation is fixed directly on top often with. Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in between the ceiling joists in the case of a pitch roof. Warm roof insulation ensures the entire roof structure is insulated meaning a warm deck roof is more energy efficient than a cold roof.

A cold flat roof insulation requires more work taking off old boards and replacing them and the roof surface. This cold deck construction is considered problematic in the humid temperate climate of the uk where the effective ventilation of restricted roof voids may be impractical particularly in sheltered built up areas. The breakdown warm roof vs cold roof. Where the existing roof deck is in satisfactory condition and of a suitable material e g.

This video shows the key features of a flat roof cold deck construction and how to draw the details to a scale of 1 10. Guidance advice on.