Clear roof sealer

HYDROBLOCK clear roof coating

It not only protects, but actively rebuilds original colour and look.  

HydroBlock WB is based on the latest nano-technology. A chemical composition of siloxanes with free reactive groups enables HydroBlock WB to actively bond to mineral surfaces such as concrete and protect against rain, dirt, algae, pollution, oil and many other external elements that are acting upon your walls.

Effectively stops damp from penetrating into your roof tiles.