A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building.
Warm deck roof construction details.
The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible.
The insulation is immediately below the waterproofing layer.
In the case of a flat roof insulation is usually either a rigid board above the deck or a mineral glass wool quilt immediately above the underdrawn ceiling depending on the type of roof design and construction.
Throughout the course of the year the roof deck and all below it is kept at a temperature close to that of the inside of the building therefore the roof structure is protected from extremes of hot and cold lessening the.
The vapour control layer is above the decking but below the insulation.
The insulation can be adhered mechanically fixed or loose laid.
So called because the insulating layer is located above the roof rafters and between the structural supports a warm deck roof results in a temperature for the roof and loft area that is consistent with the rest of the.
In a warm deck roof the insulation is positioned above the structural deck and no ventilation is required.
It can be difficult to provide a very high level of thermal performance in these roof types whether you re looking to insulate at joist level for a cold roof where joist depth can be an issue or above the roof deck where overall roof height may need to be considered if a warm roof construction is desired.
Flat roof u value 0 18 w m2k 2 warm deck flat roof the type of insulation for this is usually of a rigid type and the thickness will vary depending on the manufacturer s specifications.
This usually keeps the deck warm.
This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up.
In a warm flat roof construction the insulation is positioned above the structural deck and no ventilation is required.
Warm roofs have an insulation layer above the roof deck.
Throughout the course of the year the roof deck and all below it is kept at a temperature close to that of the inside of the building therefore the roof structure is protected from extremes of hot and cold lessening the potential for.
Depending on the type of roof you are considering here s some technical details you may find useful.
Construction studies drawing detail showing how to draw a flat roof warm deck construction detail to a scale of 1 10 with a short introduction highlighting t.