You only need ventilation in a cold roof.
Kingspan cold deck flat roof insulation.
A cold flat roof is one where the insulation is between or between and below the roof joists.
There are two basic categories of roof design.
Refurbishing an existing timber joisted flat roof which has no insulation.
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.
A cold roof has the insulation placed below the structural deck which thus remains cold.
Warm flat roofs do not need to be ventilated as the insulation is.
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.
Cold roofs by the way are not recommended for high humidity areas see the blog on how to insulate roofs of.
The insulation is below the deck but above the plasterboard.
A warm roof has the insulation above the structural deck which is thus kept warm.
Kingspan thermaroof tr27 is a high performance insulation with a fibre free rigid thermoset polyisocyanurate pir core.
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.
A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck.
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.
Find out more about kingspan insulation products which are suitable to insulate cool concrete deck flat roofs.
With a thermal conductivities as low as 0 024 w mk it is used to insulate flat roofs waterproofed with fully adhered single ply partially bonded built up felt mastic asphalt and cold liquid applied waterproofing.
Alternatively battens can be secured to the underside of the.
We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.
The waterproof layer is above the insulation and a vapour control layer is placed below the insulation.
We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation.
No insulation is on top.
