Dunster House Ltd.
Incorporated. 1994
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Understanding Roof Insulation

Our roof insulation is supplied as panels of 25mm thick polyurethane sheets which are supplied already chemically bonded to MFP boarding. These sheets are very easy to fit to the roof of your cabin, they simply need to be screwed down through the sheet into the roof board below (you don't need to locate purlins, as the roof boards are thick enough to screw into at any point without the screw protruding on the other side). They then just need cutting to size around the edge of your roof, and any offcuts can be reused.


When installed, this gives a cost effective way of lowering the U-Value of your roof from 3.49W/m2 K to a far more effecient 0.76 W/m2K.


As you can see from the image, the insulation sits on top of the roof boards you receive with your cabin. So, whatever roofing you decide upon, be it shingles or felt, will be laid on the MFP board. This means you still get a nice, attractive tongue and groove internal finish along with the extra heat gained from the impact of the insulation.


This product can be added to a cabin at a later stage and can be purchased from our extras section.