A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge boards etc.
Traditional hand cut roofs.
A truss roof using factory made trusses which are delivered to site complete and just erected.
The timbers are often 400mm or so centres and vary in size according to span.
Traditional or cut roofs usually comprise a series of sloping timbers rafters fixed to a wall plate at their feet and a ridge board or possibly a wall plate at their head.
Every member of a traditional cut roof is individually cut and assembled on site.
There are two basic methods of pitched roof construction.
The two basic construction methods of pitched roofs are.
The best tin snips are good for cutting any edge of corrugated iron that is going to be seen as they are easy to control when cutting.
They span from the wallplate to the ridge board providing a platform for the underlay battens and tiles.
Dormer windows require their own mini roofs and great care must be given to their detailing and construction.
The roof can be cut in the traditional way or fabricated from mono trusses.
This is a great option for buildings with more complex layout than a simple rectangular of square and is a type of roof that will hold well in rain snow or windy conditions.
The rafters are the main load bearing elements of the roof.
Prefabricated trusses which are delivered to site and erected.
The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below.
There are also a number of other framed constructions such as portal frame roofs.
Tin snips can also cut through drip edges and gutters and they are available in right and left hand orientations.
Traditional or cut roof.
A cross hipped roof is a common roof type with perpendicular hip sections that form an l or t shape in the roof hip.
The finished structure is readily adaptable.
50mm wide by 75mm 100mm or 125mm deep are all common.
The cheapest way to cut metal roofing is with a pair of tin snips.
This reflects the weatherproofing requirements of older roofing materials like thatch and peg tiles.
Not only is the volume large enough to convert into living space but the structure can generally be easily altered.
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.
Use a tape measure to measure the entire width of your building.
Measure as precisely as possible down to the 1 4 inch 0 64 cm 1 8 inch 0 32 cm or 1 16 inch 0 16 cm.
You want a pair of straight cuts or left or right handed pair for cutting both straight and around corners.
