Roof Structure Detail

If you have a structure with hips valleys and dormer windows you will probably do better to use one of the other roofing methods.

Roof structure detail.

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. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. Click on the product type then click on technical then click on installation instructions. Roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation.

Construction details for various types of expansion joints can be accessed from the specialty roofing products page on the johns manville website. The steepness or roof pitch of a sloped roof is determined primarily by the roof covering material and aesthetic design. Modern construction methods make use of another type of roof structure and this is known as trussed rafter roofs see trussed rafter roofs. Flat roofs actually slope up to approximately ten degrees to shed water.

The speed advantages of panellised roofing begins to significantly disappear when the shape becomes particularly complex. Curved roof shapes are currently the height of fashion at least on upmarket. Some good construction details for roof to wall expansion joints are available on the copper development. When constructing a pitched rooftop with timber this can be an incredibly labor intensive build.

Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions.