New Flat Roof Insulation

While expensive the best insulation is polyiso rigid foam.

New flat roof insulation.

However designers of compact roof assemblies must consider vapor permeance and arrangement of the roofing materials to produce acceptable hygrothermal performance and low. Roof coatings manufactured for existing roofs and used to extend their service life by 10 15 years. The exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting. We recommend having at least 20 r value worth of material for optimal energy efficiency.

Flat roof insulation products optim r e roofing system. Fibreglass is a long lasting tough yet slippery material that has been used as a flat roof covering for decades. Laying flat roof insulation as a rule any roof with a pitch below 10 is classified as a flat roof. In most cases there will not be a loft in a building that features flat roofing.

A flat roof should have a layer of insulation built into the structure at some level. Owens corning ecotouch insulation is soft to the touch easy to cut and install. If your roof is over 3 000 sq ft most contractors will give you a 3 7 discount for large volume. Depending on the size and complexity you can expect to spend anywhere from 5 50 7 50 per sq ft.

There is a downside to fibreglass unlike bitumen felt it cannot be laid onto old ply or chipboard. To install a new flat roof excluding insulation. So if you have a simple 1 500 sq ft. Spray foam insulation sprayed directly onto the roof deck and then coated with acrylic or urethane coating as well as a layer of crushed stones sand.

It s commonly seen on smaller flat roofs such as single garages porch roofs and door canopies. You can expect to pay about 55 100 sq ft. Unvented roof systems where the insulation and air barrier are applied directly to the underside of the roof deck are common in applications where designers are seeking cost effective and energy efficient roof assemblies. When an insulated roof is built from new the insulation layer can be included at different levels within the structure.

Ranch style home you will pay 8 250 11 250. Flat roof replacement costs. It is top quality and the most cost effective product for your flat roof. This means that your approach to insulation will differ from a standard pitched roof.

In addition ecotouch insulation delivers comfort helps homes stay cooler in the summer and warmer in the winter. For a 1 inch board equivalent of 6 r value. They are typically installed on top of single ply modified or low slope metal roofs.