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Color steel coil procurement skills and introduction of waterproof technology

April 15, 20214 commentsCAMELSTEEL
color steel coil

color steel coil https://www.camelsteel.com/color-coated-steel-coil/

The procurement skills of colored steel coils

1. Look at the materials

The thickness, strength and oxide film of aluminum profiles used in high-quality color steel coils should meet the relevant standards.

The wall thickness should be 1.2 mm or more, the tensile strength should reach 157 Newtons per square meter, and the yield strength should reach per square meter.

Millimeter 108 Newton, the oxide film thickness should reach 10 microns.

If the above standards are not met, the doors and windows of inferior aluminum alloy cannot be used.

2. Look at processing

High-quality color steel coil, fine processing, careful installation, good sealing performance, and easy opening and closing.

Inferior aluminum alloy doors and windows, blindly select aluminum profile series and specifications, processing indiscriminately,

using sawing instead of milling, not installing as required, poor sealing performance, uncomfortable opening and closing,

not only leakage of wind and rain, glass explosion, but also In strong winds and external forces,

it is easy to scrape or knock the sliding parts or glass off, destroying objects and injuring people.

3. Look at the price

In general, high-quality color steel coils are about 30% more expensive than inferior aluminum alloy anti-skid plates due to high production costs.

At present, there are many self-employed people who process color steel coils, and they do not understand the structural characteristics and performance of aluminum alloy anti-skid plates.

In order to reduce the cost and cut corners and shoddy materials, the product has a greater hidden danger and is generally not suitable for use.

Products from regular manufacturers can use.

Introduction to the waterproof technology of color steel coil

1. The position of the self-tapping thread is inclined, and the hole is caused by the loss of the copper plate under the color steel coil.

This kind of water leakage is probably not obvious in the roof structure without an insulation system in the single-layer color steel plate.

The root cause is that the rainwater leaks immediately according to the contact position of the plate and Purin, and it may not drop rapidly.

2. The steel plate leaks water at the joints, horizontal joints and vertical joints.

The steel plate leaks at the joints. If the wave of the steel plate is too small or the rainfall does not pass through the waves, it is easy to cause large-scale water leakage.

Once the repair is difficult, it is not easy to find the water leakage point. Commonly found on curved roofs.

3. Roof tile leakage. In the construction of light steel structure roofs, roof tile leakage is also a relatively common phenomenon.

In the rainy season, especially when the rainfall is heavy and rain splashes,

according to the large-scale seepage of the two-color steel plates in the lower part of the roof leak.

In order to avoid the leakage of ridge bricks, it should be used to increase the length of the ridge bricks during construction and flanging, shearing at the tiles and bonding at the interface.

Previous post What is the cause of the water leakage of the newly installed color steel tile Next post What is the difference between hot rolled coil and cold rolled coil

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4 comments. Leave new

Star
October 8, 2021 12:11 am

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One Nine Elms – Interior Building Planner and Developer
October 15, 2021 4:50 am

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