PROSEAL PU 1K

SINGLE-COMPONENT POLYURETHANE WATERPROOFING COATING

Description

VKFLEX PROSEAL PU 1K is a moisture-curing, single-component, highly elastic, solvent-based polyurethane waterproofing coating. It provides reliable insulation in harsh outdoor conditions thanks to its high adhesion strength, crack-bridging capability, and long-lasting elastic structure.

Product Features

Single-component, ready-to-use
Moisture-curing polyurethane structure
High elasticity and crack-bridging capability
Excellent adhesion to concrete, metal, and many other surfaces
UV resistant
Resistant to water and frost
Provides seamless and jointless insulation
Can be applied even at low temperatures

Usage Areas

Roofs and terraces
Balconies and open-area floors
Foundations and retaining walls
Waterproofing over parking lots
Metal roofs and sandwich panels
Wet areas (Bathrooms, WC – under coating)
Old bituminous surfaces (with suitable primer)

Application Instructions

Applicable Surfaces

Concrete, screed, metal, galvanized sheet, aluminum, old bituminous membranes, and under-ceramic surfaces.

Application Method

The surface must be clean, dry, sound, and free of dust. Loose particles and oil residues must be removed. In necessary cases, priming should be done with VKFLEX PU PRIMER. The product can be applied by roller, brush, or airless spray. The waiting time between coats should be 4 – 5 hours. Reinforcement with mesh or felt is recommended for detail areas (corners, drains, joints).

Technical Specifications

Chemical Structure	Polyurethane
Number of Components	Single-component (1K)
Curing Mechanism	Moisture-curing
Density	1.30 ± 0.05 g/cm³
Solid Content	90% ± 2
Elongation at Break	400%
Tensile Strength	2.0 N/mm²
Crack Bridging	1.5 mm
Application Temperature	+5 °C / +35 °C
Drying (Touch)	4 – 6 hours
Time Between Coats	12 – 24 hours
Full Curing	7 days
Waterproofness	Full
Color	Grey, White
Consumption	1.5 – 2 kg/m² (For 2-coat application, may vary depending on surface condition)
Packaging	25 kg Metal Tin
Shelf Life	12 months