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.

The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. 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 solution warm deck insulation. Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in.

We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation. A warm roof has the insulation above the structural deck which is thus kept warm. Ventilation is required for these roofs. The best method of insulating a flat roof is by using a warm deck flat roof construction method.

The vapour control layer is above the decking but below the insulation. 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. This system is called warm deck insulation and eradicates the condensation and venting issues associated with the cold deck system. The layer of insulation is essentially placed outside of the 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. 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. 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. 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. No ventilation is required for these types of roofs. We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation. It also provides better thermal performance and makes it easier to eliminate thermal bridging.

The waterproof layer is above the insulation and a vapour control layer is placed below the insulation. The insulation is immediately below the waterproofing layer. Fortunately these days there is a better form of insulation available for your flat roof. Flat roof insulation.