Key points for purchasing aluminum alloy doors and windows
When purchasing aluminum alloy doors and windows, you should pay attention to the following aspects:
1. Thickness and strength of the profile. The thickness and strength of profiles of aluminum alloy doors and windows directly affect the stability and load-bearing capacity of doors and windows. Generally speaking, the thickness of profiles should be no less than 1.4 mm, and the strength should meet national standards.
2. Surface treatment and color. The surface treatment and color of aluminum alloy doors and windows determine the beauty and durability of the doors and windows. Generally speaking, surface treatment should use electrostatic spraying, fluorocarbon spraying, electrophoretic coating, etc. The color should be uniform, smooth, without bubbles, and scratches.
3· Quality and thickness of glass. The quality and thickness of the glass of aluminum alloy doors and windows affect the light transmittance and sound insulation of the doors and windows. Generally speaking, the quality of the glass should comply with national standards, and the thickness should be selected according to the size and position of the doors and windows, generally 5 mm to 12 mm.
4· The brand and performance of hardware. The hardware of aluminum alloy doors and windows includes locks, hinges, pulleys, handles, etc., which determine the opening method and service life of doors and windows. Generally speaking, the hardware should be from well-known brands, and the performance should be flexible, stable, free of looseness, and free of noise.
5· The material and sealing performance of the sealing strip. The sealing strips of aluminum alloy doors and windows are important auxiliary materials for doors and windows. They play the roles of heat insulation, sound insulation, waterproofing, dustproof, etc. Generally speaking, sealing strips should be made of high-quality rubber or silicone, and the sealing should be tight and seamless.