The waterproof layer is above the insulation and a vapour control layer is placed below the insulation.
Kingspan cold deck flat roof insulation.
A cold roof has the insulation placed below the structural deck which thus remains cold.
The insulation is below the deck but above the plasterboard.
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A cold flat roof is one where the insulation is between or between and below the roof joists.
Find out more about kingspan insulation products which are suitable to insulate cool concrete deck flat roofs.
A cold roof is where all of the insulation is placed either between and under or completely under the joists or deck.
Warm flat roofs do not need to be ventilated as the insulation is.
Thermaroof tr27 is a flat roof insulation board suitable for fully adhered single ply partially bonded built up felt mastic asphalt or cold liquid applied waterproofing thermaroof tr27 flat roof insulation board.
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This is used for refurbishment e g.
Cold flat roofs are typically avoided as you d need to install ventilation which can prove problematic for many reasons relating to space labour costs etc.
You only need ventilation in a cold roof.
There are two basic categories of roof design.
A warm roof has the insulation above the structural deck which is thus kept warm.
Alternatively battens can be secured to the underside of the.
In this way the roof itself is kept cold.
Cold roofs by the way are not recommended for high humidity areas see the blog on how to insulate roofs of.
Refurbishing an existing timber joisted flat roof which has no insulation.
We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation.
We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.
Kingspan optim r vacuum insulation panel up to 5 times more efficient than other insulation products.
No insulation is on top.
A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck.
Check out our cool metal deck flat roof application and find out more about kingspan thermaroof products which are suitable to insulate cool metal deck flat roofs.