There are two main types of flat roof that require different approaches to.
Sloping insulation for flat roofs.
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.
Fortunately roofing insulation products are available that simplify the build up process and save roofers time and money.
It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2.
Composite insulation reduces the need for a cover board when applying different membrane roof coverings.
In most cases there will not be a loft in a building that features flat roofing.
Rigid board insulation rigid board insulation is the most common type of insulation used in low slope commercial roofing.
Cold roofs and warm roofs.
Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.
This means that your approach to insulation will differ from a standard pitched roof.
Or sprayed polyurethane foam spf.
Here we share the most common mistakes people make when installing flat roofing insulation.
Composite insulation works in flat and low sloped roofs with a variety of roof coverings.
Cold roofs have the waterproof layer placed directly onto the roof deck and the insulation inside the roof just above the ceiling.
The insulation used in low slope roof assemblies typically falls into one of the four categories.
Manufactured from lightweight foam control eps tapered expanded polystyrene eps roof insulation is a value engineered system that has been proven in new and reroof applications all over the country.
To drain and insulate dead level roof decks.
As a rule any roof with a pitch below 10 is classified as a flat roof.
The goal of tapered roof insulation systems is to eliminate ponding standing water on a membrane when the roof deck does not provide adequate slope.
Lightweight insulating concrete lwic.
When correctly installed tapered insulation helps eliminate problems due to ponding water and can extend the longevity of your low slope roofing system.
It is made from.
Dual purpose structural deck and insulating planks.
Laying flat roof insulation.
The traditional fix is labor intensive.
Creating a positive slope roof is traditionally done by installing rigid board insulation such as xps or polyiso on flat or low sloped roofs.
In this case ventilation is required and the roof can still become wet with condensation which may cause materials to decay.
A properly designed tapered roof insulation system not only provides the necessary r value and the support for the roof system but it helps extend the life of the roof system because it provides.