GP Titan External Corner Unit – Designed for Use with GP Titan Bond
The GP Titan External Corner Unit is an essential component for ensuring a seamless, fully sealed gas and waterproofing system when using GP Titan Bond. BBA-approved GP Titan Bond incorporates a heavy-duty virgin polypropylene geotextile, providing exceptional resistance to ground gases, VOCs, hydrocarbons, and radon, while creating a secure, integrated bond with poured concrete.
Compared to standard Type A waterproofing membranes, GP Titan is 2,000 times more effective as a gas barrier, offering unmatched protection and durability for high-risk environments.
Key Benefits:
✔ Seamless External Corner Sealing – Ensures gas and waterproofing integrity in critical areas.
✔ Superior Resistance to VOCs & Hydrocarbons – The first membrane to fully meet C748 chemical testing standards.
✔ Waterproof & Gas-Proof Barrier in One – Prevents gas ingress and water penetration.
✔ Fully Bonded to Concrete – Eliminates pathways for moisture and contaminants.
✔ Quick & Easy Installation – Works with Titan Tape or welded joints (consult Wykamol Technical Team for best method).
✔ Exceptionally High Chemical Resistance – Designed for harsh environments.
✔ Weather-Resistant – Can be installed in all weather conditions.
✔ Meets Latest British Standards – Fully BS 8485:2015 & BS 8102:2009 compliant.
✔ Long-Term Durability – Performance guaranteed for the lifetime of the building.
Ideal Applications:
✔ Basements & Below-Ground Waterproofing
✔ Contaminated Land & Brownfield Sites
✔ VOC & Hydrocarbon Protection
✔ New Builds & Structural Waterproofing
The GP Titan External Corner Unit is an essential pre-formed solution to ensure a robust, fully sealed gas and waterproofing system, providing maximum protection against water, chemicals, and hazardous ground gases.
Installation Guide

For more detailed information please download our Technical Data Sheet
Details
| Product Description |
External Corner - GP TITAN Bond Type A Gas and Waterproofing Membrane, Black |
| Product Code |
GPEXTCORNER |
| Packaging and Size |
500mm x 500mm x 500mm |
| Coverage |
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| Storage |
Store horizontally. pallets should not be stacked on top of each other. keep away from high temperatures and open flames. |
| Shelf Life |
The lifetime of the building when appropriately stored and installed. |