PU waterproof coating is a kind of waterproof coating with good waterproof performance. Most of its materials are green raw materials, which are harmless to human health. It is mainly used for roofs and walls. PU waterproof coating and its construction precautions will be introduced in detail below.

? Characteristics of polyurethane waterproof coating;

A two-component waterproof coating is composed of special polyether resin as the main agent, polyurethane prepolymer curing agent as the main film-forming substance, advanced pigments, fillers and surfactants. Strong adhesion, toughness and elasticity. Good weather resistance, water resistance and chemical resistance. Corrosion-resistant, easy to construct and pollution-free.

PU waterproof coating uses:

Roofing waterproofing: buildings, houses, factories, camps, etc.

Wall seepage prevention: internal and external walls, basement.

Waterproofing of ground floor: toilet, hanging garden and swimming pool.

Pipeline corrosion protection: underground pipeline steel corrosion protection.

Matters needing attention in polyurethane waterproof construction and ground treatment; Remove the protrusions and sundries on the roof floor to make it smooth, clean and dust-free. For the treatment of water outlet, primer should be applied to the crack first, and then waterproof materials and caulking materials should be used to repair it or non-woven fabrics should be used to reinforce it.

After the primer is painted, the parapet shall be made of waterproof material with a height of 10㎝. The downspout should be adjusted to the slope with smooth drainage first. Primer brushing evenly with a brush or roller brush, and strengthen when there is sand on the cement floor. Will the waterproof layer be laid? Pu? The waterproof material main agent and hardener are fully stirred evenly according to a certain proportion and poured into the floor.

Scrape with a serrated trowel, and control the dosage and thickness to make it even and flat. The surface layer can be constructed or painted more than one day (24 hours) after being treated with waterproof material.

Mix the topcoat and anti-skid powder evenly, and brush with spray gun and roller brush. Heat insulation treatment is covered with insulating brick or other heat insulation materials, or coated with PU heat insulation coating. Tubatu Online provides you with "every decoration quotation, 1-4 local decoration companies, 3 sets of decoration design schemes" and the decoration pit avoidance strategy for free! Click this link:/Zhu Ye /zxbj-cszy.php? to8to _ from = SEO _ zhidao _ m _ jiare & amp； Wb, you can get it for free ~