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V-Netizens answer for aluminum windows and doors installation

After aluminum windows and doors installation, one had better not blame bad sound insulation only due to the quality, thickness and installation standard of windows together with doors. Because it also relative with building quality such as wall thickness, hollow block quantity and floor number, etc.

And how to install windows? Before installation, level off wall hole surface by eliminating uneven and damage with mortaring. After the mortaring dry, it time to install windows.

It is important to install aluminum windows and doors with suitable size, which are only 1-2 centimeter less than wall hole size. If the size is over 2 centimeter, the crack between wall and window is too large to fill into polystyrene foam and silica gel. But if so, sound insulation effect will get worse.

V-Netizens answer for aluminum windows and doors installation 

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