How To Fit Roof Insulation Boards

Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.

How to fit roof insulation boards.

Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. It s light weight provides ease of handling. Insulation boards come in different sizes and as long as you figure out a plan as to how you will cover the rafter space then you should be fine. Your rigid boards will need to be cut with some logic so that you can move from one side of the roof to the other.

If 180mm is to be installed then 100mm board might be introduced between the rafters there has to be a minimum 25mm air gap between the insulation and the underside of the tiles or slates with an 80mm board running across the rafters. Some types of thicker foam board insulation are available but they may need to be special ordered. Exceptional dimensional stability and rated for extreme hail rockwool stone wool insulation roof boards have meet both the fm severe hail and the ul 2218a standard for impact resistance. Talking about metal roof insulation this thing is one of the most challenging things people work in this field is facing it demands and requires excellent skill and expertise which you may only get from a reputable roofing contractor.

Measure the roof with a tape measure. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Calculate the total square footage of the roof to determine the number of insulation boards you need to complete the installation. With a warm roof the usual process is to split the insulation into two layers.

Rigid roof insulation board. In this article we are going to explore both financial and technical aspects when it comes to looking for the best method to insulate the metal roofing. Not only do we withstand hail damage but our roof boards maintain their bond to the roof membrane lowering the likelihood of a catastrophic roof failure.