Where a cold flat roof does incorporate insulation this is in the form of mineral wool stuffed in between the timber rafters joists with a minimum 50mm 2 inch air gap left clear in between the insulation.
Grp flat roof insulation.
Up to 25 of a buildings heat loss is through the roof.
Grp stands for glass reinforced polyester a composite material formed by strengthening plastic with fine fibres made of glass.
Grp fibreglass has become one of the most popular forms of flat roofing systems because it is not only a strong material but doesn t add too much extra weight to the structure.
By using insulation with excellent thermal performance this will greatly improve the energy efficiency of the building and in turn make meeting building regulations standards easy.
Tapered insulation as a flat roof solution.
Consider geography budget and use for the roof to determine the best option.
Or else on the interior of the building just.
Tapered insulation is compatible with many different roof types and in both new build and refurbishments.
A note to consider before construction.
Grp glass reinforced polyester better now as fibreglass is composite material made up of resin chop strand matting and a resin top coat.
Glass reinforced plastic grp is comprised of polyester resin and chopped strand mat glass fibres which are mixed together to form a laminate.
What is a grp flat roof.
If insulation is installed below the flat roof deck this is called a cold roof.
Thermoplastic or elastomeric are the most effective and should extend up adjacent walls at least 150mm from the roof surface.
It was originally used on boats and water containers but has since been developed and become one of the most widely used materials in the construction industry.
From there the flat roof system you choose will determine the materials you apply.
Traditionally flat roofs simply consisted of a structural timber deck with a waterproof covering directly applied to the top of the deck.
A thermal layer of fibreglass polystyrene or other insulating material should be inserted either above the roof decking the warm roof model which is suitable for homes or permanent residences.
Ecotherm in flat roofs.
This design dates back many years and flat roof insulation was somewhat of an afterthought with this type of roof.
Traditional cold deck flat roof.
Tapered insulation is a great flat roof solution which allows falls to be created with specially shaped insulation rather than requiring screed or timber firrings.
A grp flat roof or fiberglass roof as it s also known is one of the most popular flat roofing solutions in the uk.
To create these an additional glass fibre matting 600 grams per square meter instead of 450 grams per square meter is recommended.
