Block Paving Sealer Polyurethane (Commercial)

Polyurethane Block Paving Sealer for Residential and Commercial applications

A very durable oil resistant block paving sealer for heavily trafficked areas

Smartseal Polyurethane based block paving sealer is a low viscosity prepolymer solvent based sealer primarily designed for commercial sealing of block paving. Application will solidify the jointing sand and create a long lasting, effective seal on the surface of concrete block paving. 

**NOT TO BE USED ON CLAY PAVERS**

**NOT TO BE USED IN CONJUNCTION WITH BLOCK MAGIC. THE CLEAR COAT FOR BLOCK MAGIC IS EITHER MATT OR SILK FINISH**

See Commercial Case Studies of where our formulation of polyurethane sealer has been used.

• Manufactured to BS5750 standards in the UK
• Colour Enhanced, Matt Finish
• Highly Stain Resistant; Chemical and Oil Resistant
• Average Coverage Ratios: 2 m²/litre first coat and 3.5 m²/litre second coat
• Apply second coat within four hours to ensure sealer 'keys' together correctly.
• Solidifies Jointing Sand
• UV Resistant:-Protects Blocks against Colour loss, but cannot be used in conjunction with Block Magic
• Will not peel off
• Not damaged by pressure washing
• Resistant to tyre marking
• Greatly reduces weed, moss and algae growth
• Reduces ant infestations
• Easy application

Application Guidelines:

1. Ensure paving is pressure washed to remove all surface debris and 'muck' from joints.
2. Leave paving to dry for 3-4 clear & dry days.
3. Once dry, before sealing. Push Kiln Dried Sand in between all joints on Paving.
4. Apply 2 coats of Block Paving Sealer with either Roller or Sprayer (Apply two coats of sealer - applying the second coat within four hours of the first to ensure the coats 'key' together correctly.)
5. Allow 24 hours for sealer to completely cure.

After correctly applying the sealer, expect to have between 7-10 years protection*. Sealer longevity will vary dependent on a number of factors such as: traffic (foot/vehicle), weather and general maintenance.

Urethane based block paving sealer is only to  be used on precast concrete block pavers (traditional "block paving") and cannot be used on any other form of paver, brick, patio slab, natural stone or block pavers if they are finished with a top course of natural aggregate.        

*NOT TO BE USED ON CLAY PAVERS*

*** If your Block Paving has been previously sealed - to ensure compatibility, please contact us here before ordering: https://www.smartseal.co.uk/help-advice/contact-us.htm

• Only apply sealer when the block paving is clean with jointing sand and paver totally dry with no rain forecast for at least 8 hours.
• Temperatures need to be above 10 degrees centigrade and below 23 degrees.
• Only apply if no efflorescence (surface salts) is visible
• Make sure pavers are thoroughly swept and that no jointing sand remains on the surface or high in the chamfers of the blocks. This could lead to unsightly sand becoming sealed onto the surface of the blocks
• Apply to borders with a paint brush or small roller.
• Application to main areas by roller or squeegee at ratios of 2sq metres per litre 1st coat and 3.5 sq metres per litre 2nd coat
  Leave between 2-3 hours and no more than 4 hours between coats
• Avoid vehicular traffic for 24 hours and try to avoid walking on for around 3 hours after second coat
• Always wear a protective mask, goggles and gloves all all times

For further technical or application information please call Smartseal on 01268 722500