The date of installing doors and windows is not a copy of auspicious day, nor is it a day suitable for decoration on the calendar. Need to sort out the branches and stars of the moon. Combined with the analysis of the host's eight characters, a complete auspicious day class must be useful, and the start time of decoration is very important. An auspicious day will bring good luck to the host and increase the incentives for family happiness. Decoration auspicious day and moving auspicious day can be confirmed by one-time communication, which is also supporting.
Drainage holes are needed to install windows. Drilling drainage holes is one of the design specifications of windows. If drainage holes are not drilled, especially for sliding windows, all rainwater will not be discharged in the sliding frame groove, and it will seep into the house when the water is full, or the drainage holes are not blocked when the tiles are attached to the outer window sill, and all rainwater in the sliding frame groove will seep into the wall, causing water leakage.