Concrete roof tiles contents section 1 general page 1 1 typical applications 4 1 2 product range 18 1 3 roof forms 20 1 4 relative performance of standard roofing materials 22 1 5 general information 24 section 2 technical data 2 1 structural data 30 2 2 physical properties 31 2 3 underlays 32.
Concrete pitched roof section.
Additional construction details drawings.
A concrete roof is exactly what it sounds like.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
Single roofs lean to roof.
Exact specifications vary but most concrete roofs are several inches thick.
Formed by pair of rafters which slope to both the sides of the ridge of the roof.
Even though a treated concrete slab is waterproof standing water on a roof terrace should be avoided and so all roof terrace slabs should be built with a small slope to ensure that all water is drained.
Also known as pent roof or aisle roof.
The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness.
As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.
There are two basic methods of pitched roof construction.
Applicable for sheds out houses attached to main building.
Close couple roof these can be used for buildings with a clear span not exceeding 5 5mm and with pitches less than 25º.
Because typical concrete is porous it needs to be treated with an additive such as xypex which makes the concrete waterproof.
Couple roof this type of roof structure is very limited in its use.
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.
Wall on one side is higher than the other side.
A pitched roof is a roof that slopes downwards typically in two parts at an angle from a central ridge but sometimes in one part from one edge to another.
Collar roof these can be used for buildings with a clear span not exceeding 4mm.
Reinforced concrete sloped roof slab overhang detailcross section detail of a reinforced concrete sloped inclined roof slab overhang cantilever detail s.
Simplest type and suitable upto max span of 2 5m.