Warm Flat Roof Insulation Board

Roofing insulation is one of the most important and misunderstood building components.

Warm flat roof insulation board.

One of the main benefits you will receive from installing a warm flat roof is condensation will not become an issue because of the positioning of the insulation. With a warm roof the usual process is to split the insulation into two layers. The xtratherm range of high performance insulation boards provides the ideal technically advanced solution for flat roof projects. This is placed over the roof joists and a board normally external ply is laid on top.

At least 100mm of rigid board insulation must be positioned on top of the vapour control layer the vapour control layer stops any moisture within the building. There are many different types and installation methods out there along with a lot misinformation about which products offer the greatest energy savings. When installing a flat roof it is important to ensure you have suitable flat roof insulation to minimise any heat loss and improve noise insulation and is an essential part of the roof structure without appropriate flat roof insulation the extension or building will not pass building regulations. The closed cell rigid pir foam core is faced on both sides with multi layer aluminium foil and bonded to 6mm wbp plywood.

Flat roof insulation. 96mm recticel plylok pir flat roof insulation board is a rigid pir board consisted of a few bonded elements contributing to its thermal performance and rigidity. They lose loads of heat and are prone to leaking causing the materials to deteriorate. Xtratherm manufactures an extensive range of high performance pir flat roof insulation boards that include tapered insulation providing comprehensive technically advanced solutions for all flat roof projects.

Warm deck flat roof the type of insulation for this is usually of a rigid type and the thickness will vary depending on the manufacturer s specifications. Boards that can be considered suitable for a wide range of applications across flat roofs whether you re looking to insulate at joist level or above the roof deck in your flat roof construction. Ponding can lead to premature failures in the waterproofing system and the need to refurbish an area or the entire flat roof before the end of its intended design lifetime. If 180mm is to be installed then 100mm board might be introduced between the rafters there has to be a minimum 25mm air gap between the insulation and the underside of the tiles or slates with an 80mm board running across the rafters.

Or above the roof deck where overall roof height may need to be considered if a warm roof construction is desired.