Waterproof Your Planter Box

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What is Protective Top Coat?

This advanced thermal solution features heat-reflective properties capable of cooling your building’s interior by up to 40 degrees Celsius!

Begin with Liquid Rubber Waterproof Sealant as your base coat, followed by the Acrylic Protective Top Coat NetZero Ultra Therm.

This powerful combination provides exceptional durability, waterproofing, and UV protection, significantly extending your roof’s lifespan.

Ideal for rejuvenating and protecting roofs, this high-performance coating guards against future issues and reduces ongoing maintenance

Waterproof Your Planter Box

All Planter Boxes need a Seamless Waterproofing Membrane to contain all the ponding/continuous moisture, bugs, bacteria and fertilisers found in the soil.

Our RTT - Waterproof Sealant is a scientifically engineered hybrid liquid rubber that has a unique resistance to protect against the above and can extend the life of your planter box up to 10 years or more. 

Find all products needed to waterproof your Planter Box below ↓

What color is it?

The sealant starts as dark brown but cures to a black finish.

Note: When the Waterproof Sealant is submerged in water, it may appear slightly brown, but once fully dry, it turns deep black.

Can it be painted over?
Yes, but for best results, apply one coat of our Primer/Sealer on top of the sealant first. This will ensure optimal adhesion and a smooth finish.