would rather buy bad furniture can not buy bad doors and Windows, this is a very classic decoration old saying. Doors and Windows as a very low re-purchase rate of products many owners want to be once and for all, so the quality must be to pass. However, if the following problems occur during the use of doors and Windows, they must be replaced immediately. Hope to help you all!

Installation does not meet specifications

The quality of doors and Windows accounts for three points, and the remaining seven points are installed. It can be seen that whether the installation is good or not will directly affect the durability of this door and window. For example, several common installation is not in place 1, the corner of the door and window or splicing position is not sealed with sealant, so it is easy to have water leakage and air leakage, even if it is a good quality door and window. If there is such a problem, either call the construction personnel to deal with it, or directly change the window, and it can be stopped as soon as it occurs.

Poor quality of door and window profiles

Many developers save costs on the door and window profiles have cut corners to seek greater benefits, so if the door and window profiles are not qualified and standardized, in fact, there are certain security risks for the owner, the first time this situation has been feedback to the developer to follow up the decisive change of the window. In general, the identification method only needs to be able to identify the quality of the profile through the naked eye and finger pressing.

Hardware fittings are not up to standard

Judging the quality of hardware accessories is actually very simple, only need to push and pull open and close smoothly without sound even if it is in line. Not all hardware must be imported sometimes domestic products are good, only need to pass the quality is actually OK, if not even the above mentioned, do not hesitate to replace directly on the line.

Poor performance of doors and Windows

The basic performance of doors and Windows is ventilation, lighting, rain if even the three major functions are not up to standard, then you can directly judge that the performance is not good enough to replace the doors and Windows. These are actually the simplest configuration for doors and Windows, and the configuration of an advanced point is the performance of sound insulation, heat preservation and heat insulation.