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How to Fix and Prevent Roof Leakage in Light Steel Structures

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Roof leakage is one of the most common problems in light steel workshops and warehouses. It not only affects daily use but also causes internal corrosion, shortens the building’s service life, and leads to higher maintenance costs. Most leakage happens at panel joints, screw holes, flashing areas, or around openings. The main reasons are poor waterproof treatment, aging sealant, loose screws, or improper installation. To fix existing leaks, first clean the surface and locate the leakage points. Replace damaged or aging sealing strips. Re-tighten loose screws or replace them with waterproof self-drilling screws. Apply professional waterproof sealant at joints and openings. For serious cases, add a layer of waterproof coating to improve protection. To prevent future leakage, use high-quality roof panels and waterproof materials from the beginning. Ensure professional installation with standard flashing and sealing design. Conduct regular inspections, especially before rainy seasons, and ...
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What is PC resistant board? Why do sunroom canopies use it?

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First, what is PC board?

Many people have a misunderstanding of PC board, that PC board is acrylic board, is a piece of ordinary plastic board, easy to yellow and become brittle. In fact, PC board and acrylic board is not the same at all! Acrylic sheet is made of methyl methacrylate monomer MMA polymerisation, PC sheet is a high-performance engineering plastics polycarbonate processed. In addition to the two translucency look about the same, the performance of raw materials are not the same, we do not want to get confused.

PC board


Second, what are the characteristics of PC sheet?

PC Sheet is a material with excellent light transmission properties, its 6MM thickness of the transmittance of up to 82%, similar to glass, it is difficult to distinguish. In addition, the material also has excellent impact resistance, compared with the same thickness of ordinary glass, plexiglass and toughened glass, its impact resistance is 300 times, 30 times and 20 times higher respectively. Even when a 3kg hammer is dropped from a height of 2 metres, the material remains undamaged. As a result, sunrooms and canopies made of PC panels can effectively withstand damage from hail, snow pressure, and overhead smashers.

In addition, the heat transfer coefficient of PC sheet is 1.1-4.1W/m2℃, which is lower than the heat transfer coefficient (K value) of ordinary glass and other plastics, and its heat insulation effect is 7%-25% higher than that of the equivalent glass, and its heat insulation performance can be up to 49%. In the outdoor application of sunroom and canopy, even in the sun exposure, the material will not turn yellow and decay, ten years after the loss of light transmission rate of only 6%.

Third, the PC endurance plate application cases 

With the development of materials, PC endurance plate in the field of construction is very widely used in the domestic field, can be used for patio awnings, courtyard sunroom, terrace sunroom, etc., can also be used in the field of outdoor canopies such as stations, airports, etc., can effectively prevent ultraviolet rays, so can be used for a long time in the outdoors.

 

The application of PC endurance board in various fields is very wide, with good performance and use effect. In the future, the application fields of PC resistance plate will continue to expand and deepen.


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Explore the endless possibilities at https://www.safsteelstructure.com/

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