The gutter refers to the concave part between the two crotches of the roof of a building.
How to deal with the seepage of Tiangou?
In the construction, the engineering quantity of the trench is calculated by volume according to the design size, without deducting the volume of steel bar and embedded iron parts in the component. In the trench, like scraping putty or plastering, scraping 5 mm thick can play a waterproof and reinforcing function. No cracking and hollowing will occur. The strength can reach over C30.
Use waterproof paint brush, then paste glass silk cloth, first brush material and then paste cloth, two layers can be, paint several times, brush, do not too thick to prevent cracks. (Finally, use water-based waterproof agent, think that there may be water in the gutter, oily is not your case I have encountered, if you do not want to stay in the future, it is recommended that you add fiberglass reinforced plastic gutter in the original gutter, this kind of gutter once formed, after a long time. Durable. Make the original gutter rust-proof before installation.