Retrofit Warm Roof Insulation

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 pitched roofs whether you re looking to insulate at joist level or at rafter level in your pitched roof construction.

Retrofit warm roof insulation.

Insulating the roof the cold roof method means you place the insulation between the joists with ventilation above the roof insulation. Insulating a flat roof using the warm roof construction method means you place the roof insulation over the timber decking. These minimum insulation levels are higher if your roof has an upper surface absorbance value of more than 0 4. Warm roof construction is considered to be much more efficient and is an easier build.

Visit here to know more on retrofit insulation or call at 1300 729 639 for expert advice. A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck. Install insulation under the roofing material to reduce radiant heat gain. Warm flat roofs do not need to be ventilated as the insulation is above the structure.

Then take a look in your roof space to see if there is any existing insulation. Then there is inverted roof insulation where the insulation goes above the weather proof layer with a new layer such as gravel becoming the external face of the roof. Roofs and ceilings work in conjunction when it comes to insulation. Our insulation for existing flat roofs is ideal for extensions dormer roofs and includes a layer of either 25 50 75 or 100mm insulation board.

In addition to its superb thermal and acoustic performance its vapour permeability also helps to regulate humidity within the building contributing to as more comfortable and healthy living environment. 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. Warm or cold deck insulation can cost around 35 per square metre not too dissimilar from other roof insulation prices however exterior insulation is more expensive and can cost around 80 per square metre. Warm roof insulation system ty mawr s warm roof system is the first in our innovative range of labc registered sustainable building solutions.