Insulation Flat Roofs Cold Roofs

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.

Insulation flat roofs cold roofs.

Here we share the most common mistakes people make when installing flat roofing insulation. As there are two types of flat roofs available that require different types of insulation the methods used. How to insulate a flat roof. Both these variants require different approaches to insulation which will be covered in this guide.

There are many different types and installation methods out there along with a lot misinformation about which products offer the greatest energy savings. See our flat roof insulation solutions. Refurbishing an existing timber joisted flat roof which has no insulation. Insulation is placed in between the joists underneath the roof surface above.

The insulation is below the deck but above the plasterboard. Cold flat roof insulation. It requires the existing roof surface to be ripped up so that the insulation can be laid in between before a new roof surface is then placed over the top. With solutions ranging from our optim r vacuum insulation panels to our therma range of pir insulation we can provide the best solution for flat roof insulation for roofs with mechanically fixed bonded or torch applied waterproofing systems.

A cold flat roof is one where the insulation is between or between and below the roof joists. Our range of high and optimum performance flat roof insulation products are suitable for use in a range of flat roofs. Adding insulation to an existing flat roof generally requires the removal and replacement of some of the existing structure. Lots of traditional flat roofs are of the cold roof construction type.

It allows insulation to be added without having to replace the waterproofing on. So it makes the job entirely more complex and increases the timescale of the project extensively. Roofing insulation is one of the most important and misunderstood building components. This is used for refurbishment e g.

The roof may be described as warm deck or cold deck depending on whether the insulation is above or below the main solid roof layer. Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in between the ceiling joists in the case of a pitch roof. This means there is a vapour control layer in the ceiling and cross ventilation at the eaves or the top of the walls. However cold roof insulation on an existing flat roof system is anything but simple.

A cold roof has the insulation placed below the structural deck which thus remains cold. This may help with condensation but causes such a loss of heat that it has been banned in scotland.