Rubber Seal

Rubber-based coating for watertight sealing, protecting and repairing.

Rubber Seal

What is it?

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What does it do?

Suitable for:

  • Suitable for sealing, protecting and repairing virtually all materials, such as wood, concrete, stone, metal, zinc, bitumen, EPDM (test first), PVC, etc. Even good adhesion to PP/PE. Suitable for indoor and outdoor applications, such as bathrooms, roofs, cellars, walls and gardens.
  • For waterproofing shower basins, floor seams, gutters, pipe conduits, window frame and skylight joints, ground level items, etc. Also suitable as anti-slip underlayer, metal and wood protection (for example, garden poles) and coating.
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Getting started

Before use:

Working conditions

Do not use in temperatures ≤ +5°C.

Preliminary surface treatment

Surfaces must be dry, clean and free of dust and grease. Sand them if necessary.


Brush, roller or squeegee.

During use:

Directions for use

  • Before use, stir well manually until a homogeneous colour is obtained. Surfaces must be dry, clean and free of dust and grease. Sand them if necessary. Apply using a brush, roller or rubber squeegee (min. 2 layers), with a waiting time of approx. 10 min. between the layers.
  • Tip: use Bison Rubber Seal Textile Tape in combination with Bison Rubber Seal to bridge tears, cracks and seams, and to facilitate layer thickness build-up. Apply Rubber Seal Textile Tape immediately after applying the first layer, press well and immediately cover with the second layer.
  • Rubber Seal is dust-free dry after approx. 3 hours, may be charged with (rain) water after 12 hours and is fully cured after 48 hours, depending on the amount applied and ambient circumstances.
  • Minimum layer thickness: 2 mm.
  • Usage: 1.5-2.5 L/m2


Minimum layer thickness: 2 mm.

Points of attention

Do not apply at temperatures below +5°C. May be charged with (rain) water after 12 hours.

After use:

Storage conditions

  • Properly sealed packages should be stored in a dry, cool, frostproof location at temperatures between +5°C and +25°C.
  • Shelf life: At least 18 months in unopened package. Opened packaging reduces the shelf life.
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