Gallery - Block Paving sealing

See below some images of block paved surfaces before cleaning and after cleaning and sealing.
Sealed surface of blocks
Sealant being sprayed onto the surface of the paving
Block Paving sealer being aplied by roller
Block paving covered in algae
Block paving after cleaning and sealing
Driveway before cleaning
Driveway after cleaning and sealing
Area of block paving needing cleaning
Selaed area of block paving