−87%RTTSealant
Protective Top Coat - UV Reflective Coating for Roofs, Walls & More.…
A$49.99–A$309.99A$379.95
Shop at RTTSealant →
More from RTTSealant →Waterproof Sealant | Original Liquid Rubber DIY - Seal leaks quick & easy for Roofs Tanks Ponds Fencing & Walls
A$34.95–A$349.95
In stock at rttsealant.com
RTT Waterproof Sealant is a water-based hybrid liquid rubber that brushes, rolls or sprays onto roofs, tanks, ponds, fences and walls to form a flexible watertight membrane. It stretches up to 1000% with 95% recovery, is UV stable and contains no solvents or VOCs. Sizes run from 0.5 L to 15 L, suiting DIYers sealing leaks themselves.
Shop now at RTTSealant →Code
WelcomeSee all 10 RTTSealant products·Visit rttsealant.com
Price and stock from rttsealant.com, refreshed daily. We may earn a commission if you buy.
Highlights
- Water-based liquid rubber, no solvents or VOCs
- 1000% elongation with 95% recovery
- UV stable for outdoor exposure
- Brush, roller or sprayer application
- 0.5 L (0.3 m2) up to 15 L (10 m2)
Best for
Homeowners fixing roof, gutter, pond or wall leaks without a contractor.
Things to consider
- Coverage figures are low per litre, so large roofs need a lot of product
- Drying time, coats needed and potable water suitability are not stated
- Prices are in AUD; shipping outside Australia may not be available
Key specs
| Price | AU$34.95 to AU$349.95 |
|---|---|
| Base | Water-based hybrid liquid rubber |
| Elongation | 1000%, 95% recovery |
| Sizes | 0.5, 1, 2, 4, 10, 15 L |
| Coverage | 0.3 m2 (0.5 L) to 10 m2 (15 L) |
| VOCs | None |
Our take
A flexible, DIY-friendly sealant. Budget carefully because coverage per litre is modest.
Waterproof Sealant | Original Liquid Rubber DIY - Seal… at a glance
| Brand | RTTSealant |
|---|---|
| Price | A$34.95–A$349.95 |
| Type | Waterproofing |
| Options | 6 sizes |
| Availability | In stock at rttsealant.com |
| Coupon | Welcome |
| Returns | Return within 30 days of receipt for a full refund or exchange if items are in original… |
Price check
At A$34.95, the Waterproof Sealant | Original Liquid Rubber DIY - Seal… is mid-range for RTTSealant, whose 9 listed products run A$19.95 to A$819.95.
Similar items from other brands we track run $39.99 to $79.99.
Frequently asked questions
How much RTT Waterproof Sealant do I need?
RTT lists about 0.6 m2 per litre on smaller sizes and 10 m2 for the 15 L pail. Measure your area and allow for multiple coats.
Is it safe for fish ponds or drinking water tanks?
It is described as non-toxic, but the listing does not certify it for potable water. Ask RTT before using on drinking water tanks.
How much is the Waterproof Sealant | Original Liquid Rubber DIY - Seal…?
RTTSealant lists it at A$34.95–A$349.95 on rttsealant.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the Waterproof Sealant | Original Liquid Rubber DIY - Seal…?
RTTSealant's store-wide code Welcome can be entered at checkout on rttsealant.com. RTTSealant sets the discount, and some items or sale prices may be excluded.
What is RTTSealant's return policy?
Return within 30 days of receipt for a full refund or exchange if items are in original condition and packaging; contact shop@rttsealant.com for a return label. RTT covers return shipping, and final sale items aren't returnable.
How long does RTTSealant take to ship?
Free shipping on all orders within Australia and New Zealand. Orders are processed in 1 to 2 business days and arrive in 3 to 8 business days via Australia Post or Transdirect.
What options does the Waterproof Sealant | Original Liquid Rubber DIY - Seal… come in?
Size: 0.5L (0.3m²), 1L (0.6m²), 2L (1.2m²), 4L (2.5m²), 10L (7m²), 15L (10m²).
Where can I buy the Waterproof Sealant | Original Liquid Rubber DIY - Seal…?
The Waterproof Sealant | Original Liquid Rubber DIY - Seal… is sold directly by RTTSealant on rttsealant.com. The Shop now button on this page goes straight to the product there, and code Welcome can be applied at checkout.
Is the Waterproof Sealant | Original Liquid Rubber DIY - Seal… in stock?
Yes. RTTSealant lists it as in stock on rttsealant.com as of our latest check. Stock and prices refresh throughout the day.
Is RTTSealant a legit store?
RTT Sealant suits Australian and New Zealand DIYers and property managers who want a water-based, brush-on system for patching roof leaks, box gutters, balconies and tanks. It's not for buyers outside AU and NZ, since it doesn't ship elsewhere. Work out how much product you need for your surface area first, and ignore the inflated crossed-out prices when comparing. Our full RTTSealant review covers shipping, returns and what to check before ordering.
Is the Waterproof Sealant | Original Liquid Rubber DIY - Seal… expensive?
At A$34.95 it is mid-range for RTTSealant (A$19.95 to A$819.95 across 9 products), and similar items from other brands run A$39.99 to A$79.99.
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A$34.95–A$349.95Shop now at RTTSealant →