RTT Waterproof Sealant is a high-quality, water-based, and non-toxic hybrid liquid rubber that works by creating a watertight seal to keep moisture away from cracks, vents, holes, and joints. It can be applied with a brush, roller, or paint sprayer and stretches 1000% with 95% recovery. Designed for extreme weather, our product is durable and flexible enough to seal almost anything.

What makes our sealant the top choice?

You can trust that it will protect your investment for many years to come. Save money, time, and energy with RTT Waterproof Sealant.

Coverage:

For metal roofs and rendered concrete apply 1.5L/m2.

For rough or uneven concrete apply a minimum of 2L/m2

Popular Uses:

Preparation:

Clean all surfaces free of dirt, oil, impurities and allow to dry. Water blast or wire brush any stubborn debris or rust. Prime all concrete surfaces with a quality 2 part epoxy.

Application:

Always apply RTT Waterproof Sealant to the water contacting side of the project. Apply by brush or roller up to 2mm thick per coat. Use ample product and work it into the surface and around protrusions so complete contact is achieved. RTT GEO - TEXTILE embedded into the product to repair areas with holes, cracks or joint movement. Apply a minimum of 2 coats to ensure a complete seal. After the final coat, RTT - Quick Dry can be sprayed over the area to set the product (optional).

NOTE: DO NOT BRUSH OR ROLL OVER THE WET QUICK DRY SPRAY

General Instruction

  1. Best applied early morning or mid-afternoon in summer (avoid the intense sun when applying).
  2. Because our products are water-based, you must avoid solvents like Petrols, thinners, diesel etc.
  3. To avoid bubbling and non-curing, DO NOT apply products when there’s dew, cold wind or rain forecasted within 24 hours.
  4. Allow 24h curing time before applying the next coat.
  5. Curing time depends on temperature, humidity and airflow. Best 20°C or more. The typical curing time is 3-7 days.

Safety Feature:

Storage:
Store in a cool dry place. Keep out of reach of children. 
This product is a Non-flammable-liquid and does not present any storage or transportation hazards.