How to make waterproof measures for windows should be cautious

Causes the window frame periphery to diffuse, for the following reasons:
1, structural deformation, sealing material off.
2. There are small cracks around the window frame.
3. There are cavities around the window frame.
4, installation error.
Form waterproof treatment method:
(1) Clean the perimeter of the window frame to find the leakage gap and analyze the cause of the leakage;
(2) For the part where the cavity exists inside the wall, consider chemical grouting or filling with other elastic waterproof materials according to the specific conditions; (3) clean the gap surface, the surface should not have oil pollution, floating dust, etc.;
(4) Fill the elastic sealing material in the gap around the window frame;
(5) test water test waterproof effect. Mainly in the outside of the window to do the waterproof treatment, the general is the wall scrape water-resistant putty, brush waterproof coating. Of course, if you do basic waterproofing in advance, then the effect of waterproofing will be better. Indoors, it is generally not treated with water, because if there is water leakage, the effect of waterproofing inside is not ideal. However, from the point of view of moisture protection, it is still beneficial to make water-repellent treatment in the room. It is necessary to make glass glue or waterproof it outside.