Warm Pitched Roof Details

Pitched or sloping roof.

Warm pitched roof details.

Introduction to pitched roof details the roof is a key element of the building structure providing protection from the elements and has a vital role in reducing heat loss from the building. 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 battening and tiling is then fixed down over. A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70.

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. Hold your cursor over the file name to view when a drawing was last updated. Roof pitch is a measurement of a roof s slope expressed as a ratio. Warm pitched roof construction.

Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building. Insulating a pitched roof above the rafters. A pitched or slanted roof has a terrain of at least 15 but it is often much more. The warm pitched rooftop details are all centered on insulation and ventilation.

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. A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. 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.

It has s insulation layer above the rafters and immediately below its weatherproof membrane. Firestone has developed cad drawings of its epdm installation details to assist roofing professionals with the specification of firestone epdm roofing systems. Which means that once you ve found the right ridge height for a given footprint the roof pitch is the only remaining variable. 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.

Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building.