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Nichigo Black G-Tape Waterproofing and Joist Protection

$27.95$176.50 inc GST each

Openpay is available on orders from $50 - $10,000.

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Product Description

Find out what all the Hype is about

G-Tape is now available in Australia!

Developed and made in Japan, GTape has taken the US Deck building market by storm. The ultimate waterproofer.

Check out the product videos on the tab above.


3040BK 50mm has quickly become a favorite of deck builders across the U.S. No other product combines performance and ease of use. Adds protection to deck joists and helps to increase longevity.

-3040BK is used to professionally flash Windows, doors, deck beams, etc. Use anywhere you need permanent protection.

-3040BK Flashings have been shown to adhere to the toughest surfaces and in the toughest environments.

-3040BK Flashings have been recently tested for 50 year ageing and have demonstrated to retain over 60% of original adhesion and over 100% of original tensile strength. We challenge all other Flashing products to do the same.


3040BK 100mm is used by deck builders as well but also moves into the window and fenestration application. High performance, repositionable, and able to be installed without the use of razor knives or scissors makes G-Tape™ Flashing unlike any other product you’ve seen.

3040BK 150mm Flashing Series

Ultimate Flashing performance with unmatched contractor friendly features. AAMA 7-11 Level 3 Class A means 3040BK Flashings meet the highest standards for hot and cold performance and does so without the need for additional primer. Lighter weight than butyl or rubberized asphalt flashings 3040BK outperforms these products by significant margins.

*not available at bunnings

Additional Information

Weight kg
Dimensions N/A
Tape Size

225mm x 20m, 300mm x 20m, 50mm x 20m, 100mm x 20m, 150mm x 20m

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