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NASPA TRUSS
Our innovational of steel roof truss systems are prefabricated using advanced production technology and machinery. All materials are manufactured from standard factory designs using computer programs for strong, easy and fast installation. Naspa truss is made from high tensile steel coated with rustproof aluminum alloy twice as strong as black iron. Steel is thinner than black iron and, as a result, the roof structure is 2-3 times lighter than the steel frame, thus reducing the weight. Our trusses are designed and controlled by a specialist factory engineer. Parts are transported to the site and each piece is screw mounted for easy and fast assembly. The trusses are also rust free because they are not welded and they can be roofed with all kinds of tiles.
คุณสมบัติ และประโยชน์ของ NASPA TRUSS เปรีบบเทียบกับระบบเดิม
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Material Standard |
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Most steels are under specification and difficult to inspect. Require rust painting protection Heavy weight (15 kg/m2) |
Manufacturing from high tensile steel G550 (Yield Strength 5,500 kg/m2), steel sizing C7575, C7510, C10010 AZ150 coated steel (Aluminium 55% + Zinc 45%), with ability to protect corrosion and stand with scratch resistance Standard quality/ consistent light weight (6 – 8 kg/m2) but strong and durable |
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Design and calculate base on each individual experienced and skilled person Problem with material leftover or shortage from the calculation, measurement and cutting to match with the required sizing leading to scraps at site |
Design by program specific for roof structure which will give confidence on the strength, load supported and withstanding to wind force from the storm, correct according to engineering principles Column and roof beam can be reduced to suit with the house design, accurate in material quantity calculation |
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Installation standard depends on skill and experience of each individual builder, chance to roof leakage issue and roof tile misalignment Require high technical labour in welding works making the installation difficult and slow Heavy weight and hard to manage, with difficulty to inspect and control the quality |
Installation manage by professional teams who passed the standard training assuring of no roof leakage problem and capability to roofing with all kind of roof materials Fast installation and no rust painting require, install with coated metal screw for rust prevention, no welding require, electricity cost saving Lightweight, easy to manage and inspect with clear assembly drawing |
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No warranty |
Warranty provided (issued by NASPA) |