They span from the wallplate to the ridge board providing a platform for the underlay battens and tiles.
Traditional roof construction.
The finished structure is readily adaptable.
The alternative construction is the traditional cold deck.
A typical roof pitch in the uk for a traditional house will be 40 50 but at the extreme can go up to 70 above.
The traditional option is steeply pitched rarely less than 35.
The rafters are the main load bearing elements of the roof.
One pitched roof construction method is a cut roof method.
Traditional korean roof construction has traditionally used many kinds of natural materials.
This guide to roof construction spread into four parts provides the basic information on flat and pitched roofs needed to understand what a roofing company is talking about to help those unfamiliar with roof construction.
They are made of neowa shingle giwa tiles byeotjib rice straw stone giwa tiles eoksae eulalia and goolpy oak bark neowa shingle roof.
Neowa house in samchuck gangwon province.
This reflects the weatherproofing requirements of older roofing materials like thatch and peg tiles.
Traditional or cut roof.
A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc.
Pitched roof construction.
There are two basic methods of pitched roof construction.
The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below.
Since warm moist air is able to meet cold timber care must be taken to ventilate the roof void to minimise condensation and the possibility of rot.