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 or long-length items, and bagged items weighing 15kg or above. If your order includes any of these, you will be contacted to arrange additional freight fees
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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