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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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How many quality control points need to be implemented for the safety control of the space frame structure?

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space frame

1、The material must meet the design requirements.

2、The design of the spherical space frame must conform to the corresponding specification standards.

3、The quality control of assembling process.

4、The one-way axial tensile and compressive bearing capacity test of the ball node is as strong as the parent material requirements.

5、Bolt ball node for the thread of the largest bolt hole of the finished ball for tensile strength test.

6、The installation of the space frame should be the first control construction and installation program to have a practical grasp.

7、The reference axis and the elevation of the top of the column must conform to the design and standards.

8, focus on controlling the deflection value of the space frame under self-weight and load, the average deflection value of the measurement point shall not be greater than 1,15 times the design value.

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Structural Steel Bolting Balls: Connecting the Future, Securing the Cornerstone

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