Warm Pitched Roof Build Up

In building construction roof pitch is a numerical measure of the steepness of a roof.

Warm pitched roof build up.

Inclined along the line of rafters warm roof or positioned within the roof structure to form an insulated void room in roof which can result in warm and cold roof areas. Warm roof built up roof 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. There are three recognised designs of flat roof construction. The below diagrams show different flat roof build ups.

Warm roof in a warm roof construction the principal thermal insulation layer is located above the structural decking resulting in the structural deck and support structure being at a temperature close to that of the interior of the building. A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging. Roofs with pitches of 10 to 20 are often called low pitched roofs and special considerations need to be made particularly on the overlap between tiles to avoid water being blown into the. In pitched roof construction thermal insulation can be placed horizontally at ceiling level cold roof.

In areas of high snowfall then the roof pitch can be much greater to allow the snow to fall off the roof rather than settle and build up on the roof. Warm cold and inverted. The insulation is immediately below the waterproofing layer. The idea behind a vapour control layer is to install it on the room side of the insulation so it blocks the passage of warm moist air rising into the pitched roof structure.

As it avoids the need for aeration of the roof construction. Warm roof build ups can be installed on most modern construction material types such as concrete timber and timber based sheets. A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70. An architect makes the usual decision of the pitch.

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. The vapour control layer is above the decking but. There are typically two different ways to insulate a roof a warm roof and a cold roof. In a warm pitched roof construction the thermal insulation is placed in the rafter line.