SPU 301Single-Component Polyurethane Waterproofing Paint is made out of the main materials 

of isocyanate and polyether polyol, together with various auxiliaries and fillers by polyreaction ,we coat it on the 

waterproofing base, after chemical reaction of NCO terminal group of polyurethane prepolymer and moisture in air, it 

forms a jointless , flexible and strong rubber waterproofing film.

Advantages

Single component, being available after open the paint can, 

convenient construction.

·High tensile strength, large elongation, good elasticity, 

perfect low and high temperature resistance, and being 

adaptive to shrinkage, fracture and deformation of base.

·Strong bonding strength, no need to apply brushing coat of 

base treating agent on various qualified base surfaces.

·Large single time coating thickness, compact film, no 

pinhole, no bubble.

·Film is formed by chemical reaction, long term resistance 

of water erosion, corrosion resistance, mould resistance and 

fatigue resistance;

·Environmental protection, contains no benzene or coal 

tar due to usage of high boiling point solvent, adding solvent 

during construction is unnecessary.

·Cold construction：easy to use.

Application Range

Adaptive to basement (basement of building, basement 

parking lot, open-cut subway and passageway).

·Kitchen, bathroom, floor,balcony, non-exposed roof.

·Waterproofing engineering of swimming pool, man-made 

fountain, water pool and water canal.

·Roof waterproof engineering for parking lot and square .

Reference Dosage

For each millimeter thick film, coating dosage weight is 

about 1.4-1.7kg/ ㎡ .