When buying aluminum doors and windows of a broken bridge, don’t ask what the wall thickness of the aluminum material is as soon as you come up
When buying aluminum doors and windows of a broken bridge, don’t ask what the wall thickness of the aluminum material is as soon as you come up, you are a layman when you hear it, and don’t ask if there are 108 broken bridges. At first glance, you are a leek to be cut. I will teach you the correct way to ask the expert, so that you can avoid stepping on 90% of the pits.
1. What is the structure like? Is there a sample corner? Take a picture and save it to avoid losing the bag. The same series of windows may have completely different structures.
2. What is the brand of hardware? Some merchants will tell you that our home is a complete set of German imported Haobo hardware. Note that the hardware is not only the handle, but also the hinge, lock box, lock point, lock seat, lifting block, anti-fall rope, etc.
3. There are many pits in insulating glass, and the 3C logo is the foundation. There is basically no difference between the aluminum spacers, pins and bending processes of insulating glass. Ask the merchant directly for the water ripples and fogging of the insulating glass. How long is the warranty for laminated glass with bubbles? There are also insulating glass businesses that generally do not provide warranty, those who want to make super large glass must pay attention.
4. What brand is the insulation strip? No business will admit that they use PVC heat insulation strips
so you have to learn to read the code, including the material name PA66, the national standard and the brand logo in turn.
5. Doors and windows are divided into three parts and seven parts are installed. Many good door and window products are destroyed by installation. The screws must be self-cutting screws or stainless steel exploding screws. Remember not to choose small yellow croakers. The inside and outside of the screws are crossed at an interval of 40 cm. Understand the above five points to ensure that you do not step on the pit.