Coating technology: key points for construction of PU coating waterproof layer

Key points of construction of PU coating waterproof layer: ① Brush with brush or roller brush and mix evenly before using; ② Before painting, the roof surface shall be fully dry, and the water, oil, dust and other pollutants on the surface shall be completely removed The uneven or slight cracks on the roof shall be trowelled with putty; ③ In the initial coating, the primer shall be applied on the top plate first, and then PU coating shall be applied after it is fully dry to make the waterproof layer and the top plate better adhere; ④ The coating shall be applied layer by layer, which shall be uniform The next coating can be applied only after the initial coating is completely dry, until the thickness meets the requirements Pay attention to the following points during the construction of PU coating: ① To be painted Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: the key points of construction of PU paint waterproof layer: ① brush or roll brush, mix evenly before using the paint; ② before brushing, the roof surface shall be fully dry, thoroughly remove the surface water, oil, dust and other pollutants, and the uneven or slight cracks of the roof shall be trowelled with putty; ③ During the initial coating, the primer shall be applied on the top plate first, and then PU coating shall be applied after it is fully dry to make the waterproof layer and the top plate adhere better; ④ the coating shall be applied layer by layer to ensure uniformity, and the next coating can only be applied after the initial coating is completely dry until the thickness meets the requirements Attention shall be paid to the following points during the construction of PU coating: ① the surface to be coated shall be fully dry before painting, and the coating shall be stirred evenly before use; ② the mixed coating shall be used up within the service time; ③ diluent can be used if necessary, and the diluent shall not be more than 5%; ④ Suitable temperature for painting: 5-35 ℃, relative humidity: below 85%; avoid construction in the season with too heavy humidity; ⑤ when painting, pay attention not to touch eyes or skin, and keep ventilation; ⑥ when storing, keep in a cold and dark place without flame Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,