Remodeling doors and windows to affect house shockproof Generally speaking, the seismic strength of a house is determined by the horizontal area of ​​the wall. Adding a door or window or arbitrarily increasing the area of ​​the original door and window will lead to a decrease in the seismic performance. Therefore, the owners have to consult professionals for the shift and expansion of doors and windows. In addition, the owner is more commonly used in the decoration is the broken wall set shoes. If the shoe is not large, the security threat to the wall is not great. However, if the shoe cabinet is too large, and the over-the-sole beam is omitted above the shoe, it will not play a load-bearing role. In addition, in order to expand the area leading to the balcony house, some households opened up the partition wall between the balcony and the living room, instead of floor-to-ceiling windows and floor-to-ceiling sliding doors. Because the balcony is generally a beam-beam structure, the removal of the partition wall will cause the balcony to lose its proper support. hint: 1. Make sure that the width of the door or window hole on the wall does not exceed the width of the door leaf* (window sheet) + the door sleeve wire*2). 2, through the hanging line, hit the level ruler, measuring angle and other methods to ensure the door on the wall. The current ground level on both sides of the window hole is 90 degrees. Decoration construction knowledge window and window house house decoration house partition wall cabinet Stainless Steel 304 Coil,Hot Rolled Steel Coil,Cold Rolled Steel Coil Fenghua Jade Motor Co., Ltd. , http://www.chinaseamlesssteelpipe.com