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3 Overview of Roof Insulation Methods

Updated: Feb 10, 2022


Roof Insulation in UAE is the process of the construction of your roof. Things that go into a roof installation are:


● Removing the old roof. ● Conducting evaluation on the roof. ● Protecting it against rainfall. ● Adding the drip edge on the roof. ● Installing the roofing underlayment. ● Installing roofing shingles. ● The final cleaning up.

For this purpose, you have to choose a reliable roofing contractor so that your roof installation is done in a proper way. There are three types of roof installation methods. They are cover boards, rigid boards, and sprayed polyurethane foam. Further, we are going to discuss in detail all three methods.

Cover boards

The cover board is a thin layer of insulation. It includes fibreboard, perlite, dense polyisocyanurate, wood fiberboard, etc. After the main thermal insulation is done, to improve the physical properties of the roof, cover boards are placed.


Some of the benefits of a cover board are:


● It provides resistance from fire. ● It gives compressive strength to the roof. ● It provides protection from roof foot traffic. ● It provides resistance from wind uplift. ● It helps in improving compatibility.

Sometimes, when people go for re-roofing, they prefer cover boards for improving the surface application. Cover boards help cover the links between insulation boards. It also helps in providing a layer to separate the new roof membrane and the existing ones.

Rigid boards

Rigid boards are mainly used in roofs with low-slope assemblies. They are also called board stock insulation. The main purpose of rigid insulation boards is that they can deliver compressive durability as per the needs of the client to extend support to the roof membrane. There are many types of rigid insulation boards. Some of them are:


● Perlite ● Polyisocyanurate ● Polystyrene ● Composite Boards


Sprayed polyurethane foam

Spf or sprayed polyurethane foam insulation system is said to be a two-component material. It is self-adhering in nature. When they are applied directly to the underside of the roof decks, they serve as insulation and an obstacle for the air to pass. SPF insulation is available in two types of versions. The first one is the closed-cell version, and the second one is the open-cell version. The biggest advantage of using an SPF insulation system is that it does not require a helping hand. It can also be used as the main roof covering, in other words, a combination of protective coverings. If you are looking for waterproofing contractors in UAE, you must go to Whitemetalco as their services are one of the best in the market.

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