Author: Site Editor Publish Time: 2025-07-21 Origin: Site
Many people may have had this experience:
Even if the windows are closed, rain will still seep into the house, and the honking of cars on the road downstairs can be heard clearly at home.
These are probably the failure of the sealant of the doors and windows!
Silicone sealant plays a very important role in the performance of windows, especially in terms of water tightness, air tightness, thermal insulation, and sound insulation, and should not be underestimated.
If there is a quality problem with the sealant, it will cause water leakage, air leakage and other problems, seriously affecting the air tightness and water tightness of doors and windows.
So, what kind of silicone sealant is used for windows?
When choosing silicone sealants, in addition to paying attention to the standards they meet, you should also pay attention to the corresponding displacement level.
Displacement is the most critical indicator for measuring the elasticity of sealants. The higher the displacement, the better the elasticity of the sealant.
For the processing and installation of windows, products with a displacement of not less than 12.5 should be selected to ensure the long-term air tightness and water tightness of windows.
Hidden frame windows and hidden frame opening sashes require structural sealants for structural bonding. Silicone structural sealants must be used, and their bonding width and thickness must meet the design requirements.
During the installation of doors and windows, the sealant used at the joints of stone or the joints of single-sided stone should be a stone-specific sealant.
For fireproof doors and windows or exterior doors and windows of buildings that require fireproof integrity, it is more appropriate to use fireproof sealants.
For application places with special requirements for mildew prevention, such as kitchens, bathrooms, dark and humid places, mildew-proof sealants should be used to seal doors and windows.
