Warm Deck Roof Insulation

In the case of a flat roof insulation is usually either a rigid board above the deck or a mineral glass wool quilt immediately above the underdrawn ceiling depending on the type of roof design and construction.

Warm deck roof insulation.

There are two basic categories of roof design. 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. 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. Or above the roof deck where overall roof height may need to be considered if a warm roof construction is desired.

Warm deck the type of insulation for this is usually of a rigid type and the thickness will vary depending on the manufacturer s specifications. Fortunately these days there is a better form of insulation available for your flat roof. A warm deck roof is where the insulation is placed on top of the rafters joists and the roof covering is then placed over the insulation. The insulation can be adhered mechanically fixed or loose laid.

The main advantage of a warm deck construction versus a cold deck construction is that there is no need to include a ventilated cavity in the warm deck construction. The solution warm deck insulation. The vapour control layer is above the decking but below the insulation. The insulation is immediately below the waterproofing layer.

This system is called warm deck insulation and eradicates the condensation and venting issues associated with the cold deck system. Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in. The layer of insulation is essentially placed outside of the roof. Saint gobain insulation uk manufacture and supply glass mineral wool slabs and rolls along with rigid polyisocyanurate pir boards that can be considered suitable for a wide range of applications across.

No ventilation is required for these types of roofs. A warm roof has the insulation above the structural deck which is thus kept warm. The waterproof layer is above the insulation and a vapour control layer is placed below the insulation. We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation.

The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. Ventilation is required for these roofs. So called because the insulating layer is located above the roof rafters and between the structural supports a warm deck roof results in a temperature for the roof and loft area that is consistent with the rest of the. The best method of insulating a flat roof is by using a warm deck flat roof construction method.