Gripset C-1P - 1 Part Flexible Cementitious Membrane

Gripset C-1P is a one-component, flexible, fibre-reinforced cementitious waterproofing membrane.
Vendor: Gripset
SKU: GRIPC1P/15
Availability: In Stock
$125.57
$125.57

Physical Properties

Classification: Class one
Shelf life: 12 months
Packaging: 15kg poly-lined bags
Mixing ratio (water): ≈ 3– 4.2 ℓ / per 15kg bag
Temperature range: +5°c to +35°c
Working temperature: -20 °c to +90 °c
Bulk density: ≈0.95kg/dm3
Specific weight (roller/brush): ≈1.33kg/dm3
Specific weight (trowel): ≈1.52kg/dm3
Pot life: ≥ 1 hr
Substrate residual humidity: ≤ 4%
Minimum total thickness: ≥ 2 mm
Maximum thickness per layer: ≤ 1.5 mm
Waiting time between coats: 4-6 hours
Waiting time before covering: ≥ 24 hrs
Coverage (flat trowel): ≈1.27 kg/m² per mm of thickness
Coverage (brush): ≈1.04 kg/m² per mm of thickness
Coverage (roller): ≈1.04 kg/m² per mm of thickness

Shipping & Delivery

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Gripset C-1P - 1 Part Flexible Cementitious Membrane

Vendor: Gripset

Gripset C-1P - 1 Part Flexible Cementitious Membrane

$125.57

Vendor: Gripset

Gripset C-1P - 1 Part Flexible Cementitious Membrane

$125.57
Size: 15Kg

GRIPSET C-1P is a high-performance, one-component, flexible, fibre-reinforced cementitious waterproofing membrane. Engineered for use in both positive and negative pressure situations, this versatile product can be applied by brush, roller, or trowel to various substrates. It provides excellent crack-bridging capabilities, strong adhesion, and resistance to water pressure, making it suitable for a wide range of internal and external waterproofing applications.

Key Features

  • One-component, easy-to-mix formula
  • Flexible and crack-bridging for long-lasting protection
  • Fibre-reinforced for added strength and durability
  • Suitable for positive (up to 5 bar) and negative (up to 1.5 bar) water pressure
  • Can be applied on damp surfaces
  • Excellent adhesion to various substrates
  • Suitable for light foot traffic
  • Class One membrane classification

Suitable Substrates

  • Cement-rendered masonry
  • FC sheeting
  • Concrete
  • Water-resistant plasterboard
  • Structural plywood

Uses & Applications

  • Under-tile waterproofing for internal wet areas (bathrooms, showers, laundries, kitchens, toilets).
  • Planter boxes and retaining walls.
  • Under-tile or wearing systems on rooftops, balconies, and podiums.
  • Waterproofing concrete shelves.
  • Concrete swimming pools, water features, and potable water storage.
  • Areas subject to 5 bar positive and 1.5 bar negative hydrostatic pressure.

Suitable Substrates

  • Cement-rendered masonry
  • Fibre cement sheeting
  • Concrete
  • Water-resistant plasterboard
  • Structural plywood

Benefits

  • Easy application by brush, roller, or trowel.
  • Applicable to damp surfaces.
  • High adhesion strength.
  • Versatile mixing ratio.
  • Good crack-bridging capabilities (up to 0.75mm in standard and low temperatures).
  • Suitable for light foot traffic.
  • Class One membrane.

Application Guide

  1. Surface Preparation:
    • Thoroughly clean the surface using methods like blast cleaning, high-pressure water jetting, wire brushing, or grinding to remove existing coatings, contaminants, and laitance.
    • Ensure the substrate is damp but not saturated before application.
    • Allow new concrete and render to cure for at least 28 days.
    • For optimal adhesion, apply by trowel for consistent coverage.
    • Treat and fill static cracks up to 2mm wide with GRIPSET SB.
    • Consult a professional for cracks over 2mm or those subject to movement.
  2. Priming:
    • Porous Substrates: Dampen the substrate before application.
    • Non-Porous Substrates: Mechanically abrade (sanding/grinding) and then dampen the surface.
  3. Mixing:
    • Add powder to water while mixing with a mechanical stirrer.
    • Adjust water ratio (3.0 - 4.2 litres per 15kg bag) for desired consistency.
  4. Application:
    • Apply two coats with a minimum wet film thickness of 1.5mm per coat.
    • Allow 4-6 hours of drying time between coats.
    • Ensure a final dry film thickness of 2-3mm.
    • Use a wet film gauge to ensure adequate coverage.

Limitations

  • Not suitable for heavy or continuous traffic.
  • Not to be applied over lightweight concrete.
  • Avoid application in temperatures below 5°C and above 35°C.
  • External applications covered with tiles or screed require a separation layer.

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