Namely the insulation layers.
Warm pitched roof vs cold pitched roof.
Warm roof construction requires that the entire roof construction is encapsulated within the insulation envelope of the building to be kept warm.
A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging.
The breakdown warm roof vs cold roof.
A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70.
In building construction roof pitch is a numerical measure of the steepness of a roof.
The object being to design out the possibility of warm moisture laden air coming into contact with a cold surface and condensing.
It requires you to rip the roofing material apart to lay the insulation on the surface above the ceiling.
A pitched or slanted roof has a terrain of at least 15 but it is often much more.
A cold flat roof insulation requires more work taking off old boards and replacing them and the roof surface.
Cold pitched roofs can be ventilated or unventilated requiring the use of vapour impermeable and vapour permeable underlays.
At rafter level warm pitched roof ceiling insulation cold roof in the cold pitched roof method of construction glass mineral wool insulation is placed at ceiling level between and over the ceiling joists.
There are typically two different ways to insulate a roof a warm roof and a cold roof.
Basically there are two options to choose from when insulating a flat roof.
You create a warm roof or a cold roof simply by applying the layers of the roof in a different order.
An architect makes the usual decision of the pitch.
What is a warm roof or a cold roof.
What s more a warm roof allows heat to be conserved within a property without a ventilation system needing to be installed.
The cost of regulating the temperature in a home with a cold roof far exceeds that of a warm roof.
When we talk about a warm roof vs a cold roof what we re really talking about is the insulation of the flat roof.
There are pros and cons to both a warm roof and a cold roof.
The definition of a warm roof on pitched roofs.
Installing a warm roof can be extremely straight forward and simple to do.
Warm cold roofs.
Pitched or sloping roof.
Constructing a cold roof on an existing roof can be challenging and time consuming.
However it must be pointed out that a cold roof requires more work and isn t as thermally efficient as a warm one.