Gripset C1P - 1 Part Flexible Cementitious Membrane
Gripset C-1P is a flexible, fibre-reinforced cementitious waterproof membrane. Ideal for positive and negative waterproofing, it offers high durability, crack bridging, and compatibility with diverse substrates for commercial, residential, and industrial applications.
- $129.33
- $129.33
- Unit price
- per
Prices do not include GST
Physical Properties
Form:
Light grey powder
Colour:
{"wet"=>"dark grey", "dry"=>"dark brown"}
Operating temperature:
-20°c to +70°c
Elongation:
37%
Tensile strength:
>2mpa
Water vapour transmission:
0.7 g/m²/24 hours
Water absorption:
9%
Crack bridging:
≥0.75mm
Compliance:
As4858
Coverage:
5.5m² to 7m² per 15kg bag
Shelf life:
12 months
Packaging:
15kg bags
Drying times:
{"pot life"=>"1 hour", "re-coat time"=>"2-4 hours", "tiling"=>"24 hours", "immersion ready"=>"10 days"}
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Shipping & Delivery
$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Remote areas and site deliveries are also ineligible. If your order includes any of these, we’ll contact you to arrange additional freight fees. Online purchases only.
Gripset C-1P is a high-performance, fibre-reinforced, flexible cementitious waterproof membrane. Its exceptional crack-bridging properties and high adhesion make it suitable for both positive and negative waterproofing applications, including submerged and tiled areas. Compliant with Australian standards, it is non-toxic, UV-resistant, and provides reliable performance in demanding environments.
Key Features
- Durable waterproofing for positive and negative applications.
- Withstands up to 5 bar positive and 1.5 bar negative hydrostatic pressure.
- High adhesion to concrete, masonry, and fibre cement substrates.
- UV-resistant and suitable for outdoor exposure.
- Non-toxic, water-based, and solvent-free formulation.
- Compliant with AS4858 for wet area use and potable water approval.
Suitable Substrates
- Concrete, render, and masonry.
- Compressed fibre cement sheeting and plasterboard.
- Aerated concrete panels and blocks.
Uses
- Basement and retaining walls, internal and external.
- Lift pits, planter boxes, and earth shelters.
- Slab edges and landscaped areas.
- Water features, swimming pools, and potable water tanks.
- Under tile waterproofing for external areas.
- Bathrooms, laundries, and internal wet areas.
Benefits
- Long-lasting waterproofing with excellent crack-bridging capability.
- Ease of application by brush, roller, trowel, or spray.
- Compatible with a wide range of construction materials.
- Environmentally friendly and safe for potable water applications.
- Enhanced resistance to moisture and hydrostatic pressure.
Application Guide
- Prepare the surface by removing contaminants and ensuring structural soundness.
- Prime or pre-dampen the substrate as required.
- Mix Gripset C-1P with water to the appropriate consistency.
- Apply in 2–3 coats to achieve a 2mm dry film thickness.
- Allow 24 hours for tiling or topping application, with immersion-ready after 10 days.
Limitations
- Not suitable for use as a trafficable surface.
- Do not apply when rain is imminent or in extreme temperatures.
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