Sealants
Enhance projects with top-tier specialty sealants and accessories
PRODUCTS
Ultima Coatings introduces game-changing speciality sealants and accessories to elevate your projects. Explore the superior features and applications of HARSEAL 90, ONE-N-DONE Tapes, and Invisilink™ – each meticulously designed for unmatched performance.

HARSEAL 90
The ultimate hybrid silicone-urethane sealant
Key features
- Formulation mastery: HARSEAL 90 boasts a hybrid silicone-urethane formulation, delivering a solvent-free, single-component waterproof sealant
- Performance highlights: Plasticiser-free, high solids, low shrinkage, and exceptional adhesion to diverse surfaces
- WetSuit® compatibility: Seamlessly pairs with WetSuit® 2 PART, serving as a liquid cant strip, eliminating the need for cure time before application.
TDS - Technical data sheet
SDS - Safety Data sheet
ONE-N-DONE tapes
Effortless waterproof solutions
Key features
- Immediate waterproofing: ONE-N-DONE tapes provide an easy waterproof solution for diverse substrates, ensuring superior bonding immediately
- Long-term reliability: Waterproof the moment they are applied, delivering excellent long-term performance
- EZ-peel-away release liner: Facilitates quick and easy installation for efficient project execution
- Variety in colour and facing: The multi-purpose series is available in black, white, and reinforcing fleece fabric facing, ensuring project success.
Invisilink™
Lightweight and tear-resistant seam fabric
Key features
- Technical excellence: Invisilink™ stands out as a lightweight yet durable, tear-resistant seam fabric featuring stitch-bonded polyester—one of the roofing industry’s most robust materials
- Exceptional properties: High strength with good elongation for excellent thermal stress force accommodations, conforming readily to various roof surfaces
- Ease of handling: It is much easier to handle and apply than other soft polyester sheets
- Versatile applications: Used with WetSuit® 1 PART, WetSuit® TROWEL, or WetSuit® UNDERCOVER for joints, cracks, or seams wider than 1/8″.

Invisilink™ sizes available:
- 4” x 300’
- 6” x 300’
- 40” x 324’
Compatibility
Invisilink™ works seamlessly with REFLEX™, HarcoSIL, WetSuit® 2 PART, WetSuit® 1 PART, WetSuit® TROWEL, and WetSuit® UNDERCOVER, reinforcing joints, cracks, or seams.
TDS - Technical data sheet
SDS - Safety Data sheet
Choose excellence; choose Ultima Coatings for superior sealants and accessories.


Invest in quality, invest in peace of mind
Protect your investment with cutting-edge waterproofing solutions that deliver unmatched performance. Explore the benefits of cold-sprayed fluid-applied membranes and secure the future of your property.
Place an order today
Transform your waterproofing experience. Contact us to learn more about our products, request a quote, or find a distributor near you.
