Hainan Steel teach you: steel roof gutters waterproofing

Hainan Steel teach you: steel roof gutters waterproofing

1, Hainan Steel Primary treatment: must be flat, firm, clean, no clear water, no leakage, uneven and cracks must first leveling plugging leaks must first be processed.
2, pre-treated on both sides at the bottom of the gutter, joints, seams, embedded polyurethane sealant needed gap in the paint smooth. Border arc along the slick do not water.
3, Hainan steel gutter fell into the mouth parts also to do the seams, joints dense, filled. Note that the drain is not high, or they have dealt with water during the whole construction operations.
4, A component with a B component weight ratio of 1: 2, the paint should be mixed, stir, coating thickness is generally 2.5MM, applied five times, each in amounts of less than 0.6kg / m2. (Interval of about a day and night)
5, scraping review: requests were scraping with a scraper according to the design of the waterproof layer,
6, Hainan, according to the amount of steel per square meter 0.3kg diluted primer layer applied uniformly in every corner, the corner of the application cycle stiff fine brush to brush a few times, and so the coating to dry, non-woven fabric with a round wooden conduct After (60-80 g) bedding construction immediately 0.4kg / square meter intermediate amount of aqueous polyurethane coating, wait middle dryness, the third layer was coated polyurethane construction of about 0.4kg per square meter, etc. to dry and then a second layer Non-woven (60-80 g) bedding and polyurethane upper right construction 0.4kg / square meter, the surface layer can be carried out to dryness 0.4kg / square meter construction sequence is completed. The time interval between the layers subject from each layer to dry non-stick coating. Finally, the aqueous coating asphalt waterproof coating protective layer, there should be deposited at any time when the paint stir every person scraper when the bottom of the first barrel stir a few times, to avoid deposition.
7, an additional layer construction sequence do first node, and then scraping a large area. Corner and coating should be thin facade brush multiple times, without flowing, accumulation phenomenon.
8, wiped film to be uniform, can not have part of the deposit, and request more scraping a few times so without leaving any air bubbles between the coating and the base layer, the adhesive strict real car.
9, each coated with a predetermined amount must reclaimer, cut not too thick or too thin.
10, best construction temperature should be 5-30 degrees Celsius, not yet solidified film construction is completed, should be protected, to avoid damage to waterproof layer.