Chemvet Steel and Fencing is a premium supplier of high quality roof sheeting solutions including corrugated roof sheeting.
Corrugated is the traditional and familiar S-Rib profile for roofing and cladding applications. It is the oldest and most commonly used roofing profile because of its easy handling and fixing properties and related strength. The S-rib is derived from sinus curve and offers very strong and structural properties. This wavy corrugated profile is the most well-known profiled sheeting globally, commonly used to cover residential roofs, carports, sheds, etc.
The 8.5/76 stands for 8.5 corrugations over the width of the sheet and 76 refers to the distance in millimetres between two consecutive curves. The Corrugated profile virtually eliminates oil canning and the sheeting can be factory cranked, curved and bull nosed to various radii depending on customers' requirements. The overall width of a 8.5 Corrugated sheet is 700 mm and that of a 10.5 Corrugated sheet is 840 mm.
Corrugated is highly fashionable in South Africa, filling some of the country's finest estates as the preferred roof covering for home owners. Because of its affordability, corrugated is also the first choice for roofing-solutions in low cost housing projects, as well as home renovations.
Corrugated roof sheets are available in a wide range of materials displaying various structural properties. It should be noted that the load span characteristics are only to be used as a broad guideline, as purlin spacing is also dependant on other factors such as the prevailing winds in a particular area, snow during winter periods, the presence of dust and other particles in industrial areas, the type of structure that is being erected, etc. We therefore recommend that an engineer be consulted to determine the purlin spacing for a specific application.
Corrugated sheeting is available in standard lengths of 1.8 to 14 m although lengths of up to 20 m are available on request. The permissible length tolerance for the standard length range will be -0 +5 mm. Sheets outside these parameters are available on request and might be subject to special pricing arrangements. The maximum height which can be transported is 4.3 m. This factor should be taken into account when bullnoses and curves are designed.
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