Description
ARBOFLEX® PU Primer – Surface Preparation & Bond Enhancer for PU Waterproofing Systems
ARBOFLEX® PU Primer is a single-component, high-solids polyurethane primer designed to improve adhesion and surface consistency prior to the application of ARBOFLEX PU liquid waterproofing membranes. Its low-viscosity formulation allows deep penetration into porous substrates, creating an optimal bonding surface.
Suitable for both new installations and refurbishment work, this primer is commonly used on concrete, cement, plywood and for repairs or overlaps on existing PU or PUA membranes where enhanced adhesion is required.
Key Benefits
- Single-component formulation: ready to use with no mixing required.
- Improves adhesion: enhances bonding on porous and lightly uneven substrates.
- Fast drying: touch dry in approximately 2–3 hours at 23°C.
- Low viscosity: excellent penetration into concrete, cement and plywood.
- Versatile use: suitable for new works, refurbishments, repairs and membrane overlaps.
- Translucent finish: minimal visual impact beneath the waterproofing system.
Application & Coverage
- Application tools: brush or roller.
- Coverage on porous surfaces: 100–200 g/m² (applied in one or more thin coats).
- Coverage over existing membranes: 50–100 g/m².
- Dry time: approximately 2–3 hours at 23°C.
- Surface condition: maximum substrate moisture content 5% (must be dry).
Product Information
- Product name: ARBOFLEX® PU Primer
- SKU: AF-Primer-06
- Stock type: Warehouse Fulfilled
- Brand: ARBOFLEX
- Appearance: Translucent liquid
ARBOFLEX® PU Primer plays a critical role in achieving long-term performance from ARBOFLEX waterproofing systems by ensuring proper adhesion and consistent substrate preparation.
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