Warm Roof Construction Details

If you re worried about the security of your domestic extensions whether they be garages sheds.

Warm roof construction details.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. The great thing about a warm roof is that if your existing roof surface is in good condition you don t need to do much to it. With a warm roof the insulation is installed on top of the existing surface rather than in between the rafters. A pitched or slanted roof has a terrain of at least 15 but it is often much more.

This enables the temperature of the structure and the deck to be kept close to the temperature of the inside of the building hence warm. The warm pitched rooftop details are all centered on insulation and ventilation. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. Throughout the course of the year the roof deck and all below it is kept at a temperature close to that of the inside of the building therefore the roof structure is protected from extremes of hot and cold lessening the potential for damage caused by thermal movement.

Warm roof systems benefit from the insulation sitting above the deck. Pitched or sloping roof. Warm roofs offer a superior thermal performance and therefore come with a higher cost. Throughout the course of the year the roof deck and all below it is kept at a temperature close to that of the inside of.

The insulation can be adhered mechanically fixed or loose laid. For additional stability you can also use steel joists that are built into one or both of the walls. The insulation is immediately below the waterproofing layer. Traditional roofing options run the risk of not being very energy efficient while also adding a condensation risk that is absolutely not desired by homeowners as this brings their own set of issues.

In a warm deck roof the insulation is positioned above the structural deck and no ventilation is required. A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building. The insulation is tapered to provide a fall to the roof to enable water to run to the water outlets. The vapour control layer is above the decking but below the insulation.

The object being to design out the possibility of warm moisture laden air coming into contact with a cold surface and condensing. Flat pitched cold warm roofs flat roofs.