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.
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.
This design dates back many years and flat roof insulation was somewhat of an afterthought with this type of roof.
Traditionally flat roofs simply consisted of a structural timber deck with a waterproof covering directly applied to the top of the deck.
From there the flat roof system you choose will determine the materials you apply.
A note to consider before construction.
What is a grp flat roof.
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.
Tapered insulation is compatible with many different roof types and in both new build and refurbishments.
Our grp flat roofing systems combine a number of materials including osb3 board decking topseal resin fibreglass matting topseal durable topcoat and topseal fibreglass preformed trims to create a roof that s not only tough and impact resistant but also attractive and pleasing to the eye.
Up to 25 of a buildings heat loss is through the roof.
Non slip grp flat roofs or surfaces are often used for balconies walkways terraces or other foot traffic areas where slips are a safety risk.
If insulation is installed below the flat roof deck this is called a cold roof.
Grp stands for glass reinforced polyester a composite material formed by strengthening plastic with fine fibres made of glass.
Ideal for both new build and existing roofs replacing or refurb.
Glass reinforced plastic grp is comprised of polyester resin and chopped strand mat glass fibres which are mixed together to form a laminate.
To create these an additional glass fibre matting 600 grams per square meter instead of 450 grams per square meter is recommended.
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.
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.
Consider geography budget and use for the roof to determine the best option.
Tapered insulation as a flat roof solution.
Thermoplastic or elastomeric are the most effective and should extend up adjacent walls at least 150mm from the roof surface.
Ecotherm in flat roofs.
Or else on the interior of the building just.
A grp flat roof or fiberglass roof as it s also known is one of the most popular flat roofing solutions in the uk.