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Installation steps of aluminum alloy window
The installation steps of aluminum alloy window include installation, inspection, joint surface treatment, foam caulking agent filling construction, sealant embedding, shaping, drainage hole opening, external wall waterproofing agent spraying, and U-shaped aluminum alloy water diversion strip installation.

Check the window frame joints.

See whether the joint shape and size meet the sealing design requirements, and first deal with the joint defects and cracks to be sealed.

Joint surface treatment

Rinse the seam between the window frame and the wall with clear water, so as to be dust-free, sand-free, pollution-free and sundries-free.

Fill the structure with foam sealant

When replacing the tank during construction, pay attention to shake the new tank evenly for 65438±0min, then unscrew the empty tank and replace it as soon as possible to prevent solidification from blocking the spray gun nozzle.

Filling sealant

After filling the construction with foam sealant for 60 min, cut it with a knife, leaving a notch 6 mm deep in the gap around the frame, and then filling the seal with sealant. When filling sealant, the operation should be smooth, and the gun nozzle should always aim at the bottom of the joint with an inclination angle of 45. Always keep the extruded sealant at the front end of the gun nozzle when moving; There is squeezing pressure in the seam, so don't drag the glue away. Avoid leakage or holes; Rubber strip should be straight, streamlined and tidy, with a smooth and beautiful surface.

Do plastic surgery

Compacting with scraping strips consistent with the joint surface, trimming the glue joint, making the sealant fully contact and penetrate the structural surface, eliminating bubbles and cavities, removing redundant sealant, and forming a smooth, streamlined and tidy sealed joint.

Open drainage hole

The lower sill of aluminum alloy window frame should be provided with drainage holes, and its position and number should ensure smooth drainage of the sill in rainy days without water accumulation.

Exterior wall spraying waterproof agent

Spray colorless, transparent and efficient exterior wall waterproofing agent within 30 cm around the window sill of the outer window cover and within 30 cm of the vertical edge of the side of the outer window cover. Seepage prevention treatment.

Install u-shaped aluminum alloy water diversion pole

A sealing strip is installed on the upper edge of each window. First, use an impact drill to evenly punch six holes with a depth of 3 cm along the upper edge of the outer window cover, and then hammer the rubber plugs into the holes. At the same time, one-component silicone sealants is coated on the aluminum water guide strip, and then the aluminum alloy strip is nailed to the other from the upper edge of the outer window cover with a screwdriver.