Planter Box hero background

Waterproof Your Planter Box.

Need Planter Box Waterproofing?
ANYONE CAN DO IT.
4.9/5 from Aussie DIYers
TRUSTED BY INDUSTRY LEADERS:

TRUSTED BY INDUSTRY LEADERS:

PLANTER BOX KIT BUILDER

Everything you need to seal your Planter Box. Add or remove items as you need them!

How big is your Planter Box?

Enter your Planter Box Area and you're done.

Minimum 0.1 m². Use comma or dot for decimals. Arrow keys adjust by 0.1. Hold +/− to repeat.

Caravan Kit Bundle
We've added:  0 items
AUD 0.00
AUD 0.00 GST included
4.9/5 from 1,200+ Aussie DIYers
FREE Shipping with Australia Post
10 year warranty
Easy returns
FREE Shipping with Australia Post
10 year warranty
Easy returns
Order by 11:30 am QLD for same business day dispatch • delivery in 2 to 8 business days

WATERPROOF YOUR PLANTER BOX IN 5 SIMPLE DIY STEPS

Keep your Planter Box protected all year round.
Step 1: Prepare the Surface

Step 1: Prepare the Surface

Wash or water-blast the entire planter box surface to remove dirt, debris, and loose material.
Use a wet/dry vacuum to remove any remaining water, ensuring the surface is completely dry before applying any product.
Step 2: Reinforce Seams, Joins, and Holes

Step 2: Reinforce Seams, Joins, and Holes

Pre-cut Geo-Textile to bridge the seams, wall-floor joins, corners, and any existing holes.
Apply Liquid Rubber DIY Waterproof Sealant over these areas using a brush.
While the sealant is still wet, embed the pre-cut Geo-Textile into the sealant, making sure there are no wrinkles or air bubbles.
Once set, spray Rapid Cure Spray to speed up the drying process.
Step 3: Apply 2 Coats of Waterproof Sealant to the Entire Surface

Step 3: Apply 2 Coats of Waterproof Sealant to the Entire Surface

Once dry, apply 2 -3 coats of Waterproof Sealant using a brush, roller, or spray machine, covering the entire planter box surface.
If rain is expected, spray Rapid Cure Spray to help set the product faster.
Recommended thickness: 1.5mm dry-film (approximately 2 liters per square meter)
Step 4: Allow to Cure & Protect Before Filling

Step 4: Allow to Cure & Protect Before Filling

Let the Waterproof Sealant cure for 48-72 hours before applying a protection board (corflute).
Once cured, backfill with soil and plant your greenery!

Fun Facts About Liquid Rubber

  • Liquid rubber technology has been around for ov...

    Liquid rubber technology has been around for over 50 years, with early liquid-applied membranes dating even back to the 1960s.

  • Liquid rubber can stretch up to 1800%

    Liquid rubber can stretch up to 1800% without cracking, then shrink back to the same size and restore itself after movement.

  • The Liquid Rubber Formulations is inspired by e...

    NASA Connection – The Liquid Rubber Formulations is inspired by elastomeric coatings designed for aerospace and extreme environments.

Liquid Rubber DIY vs. Traditional Sealants

Compare Liquid Rubber DIY with conventional coatings and sealants.

Feature Traditional Sealants Liquid Rubber DIY Kit
Waterproofing Prone to leaks, leaves gaps and cracks. Fully watertight. Seals your whole surface.
Flexibility & Durability Cracks or peels in heat and cold. Remains flexible. Never cracks or peels.
DIY Friendly Often tricky to use. May need a pro. Brush or roll on. Anyone can do it.
Eco & Cost Effective Harsh chemicals, needs frequent recoating. Water-based, non-toxic. Saves money.
Adhesion & Maintenance Doesn’t stick well, repairs common. Sticks to any Surface. Low maintenance.

Waterproofing

Traditional

Prone to leaks, leaves gaps and cracks.

DIY Kit

Fully watertight. Seals your whole surface.

Flexibility & Durability

Traditional

Cracks or peels in heat and cold.

DIY Kit

Remains flexible. Never cracks or peels.

DIY Friendly

Traditional

Often tricky to use. May need a pro.

DIY Kit

Brush or roll on. Anyone can do it.

Eco & Cost Effective

Traditional

Harsh chemicals, needs frequent recoating.

DIY Kit

Water-based, non-toxic. Saves money.

Adhesion & Maintenance

Traditional

Doesn’t stick well, repairs common.

DIY Kit

Sticks to any Surface. Low maintenance.

Planter Box Waterproofing FAQs

DOCUMENTATION & MAINTENANCE

DOWNLOAD TECHNICAL DOCUMENTS

Get everything you need: Technical data sheets, and safety information for all products included in your kit.