Warm Deck Roof Insulation

We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.

Warm deck roof 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. The insulation is immediately below the waterproofing layer. Warm flat roofs do not need to be ventilated as the insulation is. The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible.

Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in. The solution warm deck 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.

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 vapour control layer is above the decking but below the insulation. This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. A warm roof has the insulation above the structural deck which is thus kept warm.

The insulation can be adhered mechanically fixed or loose laid. A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck. 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. No ventilation is required for these types of roofs.

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. We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation. Cold flat roofs are typically avoided as you d need to install ventilation which can prove problematic for many reasons relating to space labour costs etc.

Fortunately these days there is a better form of insulation available for your flat roof. There are two basic categories of roof design.