A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck.
Kingspan cold deck flat roof insulation.
Cold roofs by the way are not recommended for high humidity areas see the blog on how to insulate roofs of.
There are two basic categories of roof design.
We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.
No insulation is on top.
Refurbishing an existing timber joisted flat roof which has no insulation.
Kingspan thermaroof tr27 is a high performance insulation with a fibre free rigid thermoset polyisocyanurate pir core.
In this way the roof itself is kept cold.
Diesel adblue agri.
Diesel adblue agri tanks.
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.
Alternatively battens can be secured to the underside of the.
This is used for refurbishment e g.
A cold flat roof is one where the insulation is between or between and below the roof joists.
A cold roof has the insulation placed below the structural deck which thus remains cold.
A warm roof has the insulation above the structural deck which is thus kept warm.
The insulation is below the deck but above the plasterboard.
You only need ventilation in a cold roof.
We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation.
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.
As for insulating below the joists an insulating laminate insulation bonded to plasterboard such as celotex pl4000 or a separate rigid pir insulation board finished with a separate sheet of plasterboard can be securely fixed to the joists to provide an internal finish to the roof.
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.
Find out more about kingspan insulation products which are suitable to insulate cool concrete deck flat roofs.
The waterproof layer is above the insulation and a vapour control layer is placed below the insulation.