The granular and other debris inside the frame should be cleaned up in time to prevent it from blocking the drainage channel and causing poor drainage and water leakage.

After the welding is completed, the corner cleaning must be completed within 1-30 minutes. At the end of the glass installation, glass pads should be placed around the sides, and the frame edges should be glued to fix it.

Incorrect stacking of plastic steel materials causes material deformation. In order to save trouble, some door and window factories pile up materials randomly. As a result, the materials will be deformed according to the stacking style over time.

First, remove the sealing strip on the side of the window sash. If it is a four-sash window, there is still an eldest son in the middle. Use a flat-blade screwdriver to slowly pry open from the bottom. Generally, this kind of thing is difficult to take, and it is likely to be rotten. Be careful not to hurt the window sash, because it won't cost much to replace a sealing strip.

According to uPVC Profile merchants, with the development of technology, most of them use ultra-fine lightweight activated calcium carbonate, even nano-scale calcium carbonate, which not only increases rigidity and filling, but also has a modification effect, but its The amount of filling is not unlimited, and its proportion should be controlled.