Traditional roofing options run the risk of not being very energy efficient while also adding a condensation risk that is absolutely not desired by homeowners as this brings their own set of issues.
Warm pitched roof detail.
Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building.
Another key advantage of specifying a pitched roof is the ability to provide a very high level of thermal performance in these roof types whether you re looking to insulate at joist ceiling level for a cold pitched roof or at rafter level if a living area within a warm roof construction is desired.
Insulating a pitched roof above the rafters.
There are typically two different ways to insulate a roof a warm roof and a cold roof.
The position of the insulation can be wholly above or partially between and above the rafter.
When used in roofs tyvek and airguard membranes provide optimal protection of the thermal insulation and reduce the risk of interstitial condensation enhancing the energy efficiency of the building.
The great thing about a warm roof is that if your existing roof surface is in good condition you don t need to do much to it.
Warm pitched roof construction.
A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging.
Warm roofs offer a superior thermal performance and therefore come with a higher cost.
With the potential of additional living space a cathedral roof design or a conditioned roof void are rapidly becoming the preferred choice of pitched roof construction in the uk.
Insulating a pitched roof above the rafters is the common method chosen for new builds and re roofing existing detached buildings as it provides superior thermal performance for the building.
Pitched or sloping roof.
The warm pitched rooftop details are all centered on insulation and ventilation.
Clay and concrete tiles have retaining nibs on the back of the tile which rest on the wooden lath slates which are essentially sheet materials have holes drilled in them and then nails are hammered though the holes into the wooden lath.
The battening and tiling is then fixed down over.
Pitch roof u value 0 16 w m2k 2 warm deck pitched roof the insulation is placed over the rafters and then a felt is placed on top.
Alternatively it can be positioned between the rafters or partially between and below the rafter.
Due to their breathable nature tyvek membranes offer benefits over traditional impermeable roofing underlays commonly used in warm pitched roof construction by reducing the risk of interstitial condensation occurring within roof constructions.
In a warm pitched roof construction the thermal insulation is placed in the rafter line.
Pitched roof detail the way that the tile is held on the roof differs slightly according to the material used.
A pitched or slanted roof has a terrain of at least 15 but it is often much more.
A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70.