Bostik Liquid Rubber – Repair Kit is a one‑component elastic waterproofing system designed for quick and durable repairs on exposed construction surfaces. It forms a continuous flexible membrane that seals micro‑cracks, protects joints and waterproofs roofs, terraces, gutters, bituminous membranes and vertical surfaces. Official usage instructions:

• Clean surfaces thoroughly.

• Stir liquid rubber well.

• Apply first coat with brush or spatula.

• Place reinforcement fabric over the repair area.

• Cover with a second coat ensuring full impregnation.

• Apply 2–3 cross coats for complete waterproofing.

• Surface dry: 2–3 hours.

• Full cure: 24–48 hours.

• Avoid rain during curing.

• Apply between +5°C and +35°C.

• Clean tools with water.