- Product ID: BDH120
- Suitable For: repelling exterior water
- Area of use: EXT
- Application Method: spray/brush
- Volume: 5L
- Container Type: bottle
- Type: waterproofer
- Colour: clear
- Brand: Bond It
- Manufactuer: Bond It
- Box Size: 1
Coverage: Approximately 3-5m² per liter, depending on the substrate’s porosity.
Shelf Life: 12 months from the date of manufacture when stored in unopened bottles.
Storage Conditions: Store in a cool, dry place in the original sealed container, between +5°C and +40°C. Protect from frost, high temperatures, and direct sunlight.
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For more information on Bond It and their products, you can visit their website here.
Bond It SILICONE ULTRA WATERSEAL is a silicone-based water repellent designed for exterior use. It prevents rain and moisture from entering the wall while allowing water vapour to evaporate, keeping walls drier, warmer, and protected from water damage. Suitable for brick, stone, concrete, and unglazed tiles, it shields surfaces from water and frost without altering the building’s appearance. Additionally, it helps repel waterborne dirt, resist fungal growth, and reduce heating costs by preventing energy loss from drying out damp walls.
Preparation:
Ensure surfaces are free from dirt, moss, and lichens. For tough growths, use Bond It MOULD STOP or PATIO BLASTER. Allow at least 24 hours for fresh pointing to dry before application. The surface should be clean and dry.
Application:
Shake well before use. Apply with a low-pressure (non-atomising) spray or brush at a rate of 3m² per liter for porous stone and 5m² per liter for hard brick. Start at the top and work downward, ensuring the surface is fully wetted. Two coats are needed; apply the second coat while the first is still wet or tacky. Take care to avoid splashing cars, windows, painted surfaces, plants, or ponds. Protect the surface from rain until fully cured.
Cleaning of Tools:
Clean tools with hot soapy water after use.
Limitations:
Bond It SILICONE ULTRA WATERSEAL is suitable only for unpainted brick, stone, and render. It can be overpainted with breathable paints after 14 days of weathering.
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| Elementlength | |||||||
| up to 1,5 m | up to 2,5 m | up to 3,5 m | up to 4,5 m | up to 2,5 m | up to 3,5 m | up to 4,5 m | |
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm | Minimum witdth of joints for a inner mounting b in mm | |||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) | 15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
From: £3.11 inc. VAT
£2.59 ex. VAT
From: £4.09 inc. VAT
£3.41 ex. VAT
£2.87£2.26 inc. VAT£2.39£1.88 ex. VATBond It MM50 is a mid mod, acetoxy cure, sanitary grade silicone sealant containing a powerful anti‐fungal compound to resist mould growth. A one part silicone sealant specifically designed for areas which are prone to high humidity or frequent wetting. For sealing around worktops, basins, sinks, bed basins to vanity units and also to seal shower trays and shower units. Features & Benefits: - Permanently Flexible - Mould Resistant - Contains powerful fungicide - Waterproof - For Internal Use - High Viscosity Formula - Tools Quickly For seal£2.87£2.26 inc. VAT£2.39£1.88 ex. VATBond It MM50 is a mid mod, acetoxy cure, sanitary grade silicone sealant containing a powerful anti‐fungal compound to resist mould growth. A one part silicone sealant specifically designed for areas which are prone to high humidity or frequent wetting. For sealing around worktops, basins, sinks, bed basins to vanity units and also to seal shower trays and shower units. Features & Benefits: - Permanently Flexible - Mould Resistant - Contains powerful fungicide - Waterproof - For Internal Use - High Viscosity Formula - Tools Quickly For seal£23.04£18.11 inc. VAT£19.20£15.09 ex. VATBond It Trowel Mastic can be applied to most common roofing surfaces including mastic asphalt, roofing felt, corrugated iron, cast iron, fibre/cement, slates, lead, copper, zinc, concrete and timber. Fibre reinforced making it ideal for filling cracks and holes and cures to give a strong and flexible compound. Storage LifeMinimum of 5 years from date of manufacture under good storage conditions in original unopened containers. Store under cover away from sources of heat and ignition. Keep containers sealed when not in use. For all other Bond-it
£3.47 inc. VAT
£2.89 ex. VATBond-It De-Bond Mate is A non-drip gel formula for the complete removal of cured silicone sealant, particularly when silicone has been accidentally smeared over glass, ceramics or countertops. Removes all types of silicone sealant, leaving surfaces ready for re-sealing. For all other Bond-it products on our website, please click here.For any further information, you may need on Bond-it, please visit their website here.











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