Alpha Chem Cromar Block and Paving Seal Sealer 5 Litre MPS-501

Brand: Alpha Chem
 QR36893 |  In Stock

  • RRP£21.04 Inc. VAT
  • OUR PRICE £10.50

    £12.60   Inc. VAT
  • Product Code: MPS/501
  • SKU: MPS-501
  • EAN: 5036684001601
  • MPN: 

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Alpha Chem Cromar Block and Paving Seal Sealer 5 Litre


Barcode 5036684001601

Alphachem block paving sealer is a block paving seal based on a clear water based liquid formular.

Can be applied by spray, brush or roller, a application roller kit STD49713 is available.

A ready-to-use colourless, liquid seal for sealing, enhancing and protecting paving, blocks and patios.

Cromar Alpha Chem block sealer is designed to form a durable seal over block paving, Paving Slabs and other mineral, masonry and fibrous sheet material surfaces.

Penetrates deeply into blocks or masonry surfaces gives a long lasting seal which is resistant to sunlight, water and other liquids.

The use of Block & Paving seal Sealer helps provide protection to both new and existing concrete and masonry against water and air borne pollutants

Alpha Chem High Block and Paving Seal Benefits

  • Can be applied to green concrete after 4 to 6 weeks.
  • Long lasting and weather resistant.
  • Helps facilitate easier cleaning.
  • Block paved drives and pathways.
  • Patio slabs and other masonry surfaces.
  • Cement based flagstones etc
  • Non-yellowing.
  • Dual Sealer and Curing Action.
  • High Penetration.
  • Suitable to receive subsequent treatments.
  • Can be used on horizontal or vertical surfaces.
  • Vapour permeable allowing the substrate to breath.
  • Block & Paving Seal is supplied ready for use.

Approximate Coverage:

  • 1 litre is sufficient for one coat of approximately 2 to 6 meters per coat depending on porosity and surface the 2nd coat will go further.
  • 2 coats recommended.
  • 2nd coat may be applied in 2 to 3 hours  approximately.
  • Atmospheric conditions can effect drying times.

Drying Times 

  • Do not apply if rain is likely within 3 to 4 hours of application.
  • Allow 2 to 3 hours between coats depending on conditions.
  • Do not allow the product to pond on the surface.


  • Remove all loose material by brush and or vacuum.
  • Ensure joints are filled with compacted kiln dried sand such as Setting Sand Narrow Joint Filler.
  • For existing areas, remove all oil grease and diesel stains.
  • Remove weeds, algae etc with a product like Patio Wizard.
  • Ensure all areas are completely dry before applying alphachem Block and Paving Sealer.
  • Product should also not be applied at temperatures below 5 degrees C or above 30 degrees C.

Always read the Technical Datasheet Prior to application

Application Kits Available 9 inch Single Arm Application Kit or 12 inch Double Arm Application Kit

Manufacturer Cromar
Reference Code MPS/501
Type Block and Paving Sealer
Size 5 litre
Range Alpha Chem
Colour Clear
Name Link
Alpha Chem Cromar Block and Paving Seal Safety Data sheet Download Attachment
Alpha Chem Cromar Block and Paving Seal Technical Data sheet Download Attachment

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