Kingspan Cold Deck Roof

We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation.

Kingspan cold deck roof.

Insulating a flat roof with kingspan thermaroof. Alternatively battens can be secured to the underside of the joists and gmw fitted between these in much the same way as between the main roof joists. Key features x dektm is a frame to frame. This construction relies on a vapour control layer working effectively and in tandem with a continuous ventilated airspace to disperse the water vapour to atmosphere before it reaches the cold deck and condenses.

13 july 2017 kingspan insulation uk. This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck. Hopefully this video will help explain the difference between cold flat roof construction and warm flat roof construction this videos show detailed drawings.

Where insulation depth is restricted by the flat roof construction it may be necessary to install the roof insulation between and below the joists to create a cold deck structure. A warm roof deck is the most common and most preferred type of flat roof build up in the uk. The internal face of the deck is pre finished with a fresh white inner finish providing a smooth clean interior appearance. It is important to make sure that there is at least a 50mm airgap for ventilation above the insulation and the roof deck to prevent condensation occurring.

We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation. Cold flat roofs are typically avoided as you d need to install ventilation which. The underside of the rafters in this case will need to be finished with a suitable vapour control layer vcl and plasterboard to provide a suitable internal finish to the roof. A cold roof has the insulation placed below the structural deck which thus remains cold.

This method of insulation can also be used to upgrade the thermal performance of an existing roof without affecting the waterproofing system.