Windows for a long time will naturally appear a variety of aging damage, so many owners will choose to replace a new door and window, but many owners have made a mistake, that is, the old window for a new window did not do a good job of homework, today Xiaobian and this topic to detail the old window for a new window need to pay attention to matters, hope to help you!

Determine the door and window material

First of all, when we buy new doors and Windows, the material selection is very important, so we should do a good job in advance. For example, doors and Windows do not choose steel because it is easy to rust, choose aluminum alloy is more practical and style, there is a budget can choose broken bridge aluminum. At the same time, when buying doors and Windows, we should also consult the residential property first, whether the doors and Windows should be unified material, shape and color.

Take care to remove old doors and Windows

It is difficult to remove old doors and Windows completely on your own. It is recommended to find local door and window manufacturer workers to remove doors and Windows. It is possible to remove the doors and Windows directly to pull away the demolition fee. At the same time, special attention should be paid to the safety of the construction personnel when the doors and Windows are dismantled. We must take good security measures to remove the doors and Windows. To protect others is to protect ourselves. And avoid using sledgehammer and other hard objects to smash and remove, which will damage the wall structure and cause damage to the building wall.

Check new window

Doors and Windows should be carefully inspected when entering the building to see if there is any damage or fracture. At the same time, check whether the size is consistent with the size specified in the design drawing, and finally check whether the hardware fittings are loose or deformed. After the inspection is correct, the door and window master can be arranged for installation. At the same time, during the installation process, the installation master must be told to glue, rather than less.

Door and window acceptance

Doors and Windows error should be less than 3 mm, glass doors and Windows, the glass should be flat, no spots, no water lines, double glass inside and outside the surface should be clean, double glass sandwich should not appear dust or moisture, insulation strip can not appear warped. There should be no gaps when doors and Windows are closed.