Category: Guides

Five pressure washing mistakes that ruin paving

Blown joints, lance marks and pitted slabs are avoidable. Here is what to do differently. Most paving damage we see is caused by too much pressure held too close, plus a failure to re-sand afterwards. Keep the lance moving, work at a consistent distance, use a rotary surface cleaner where possible and always replace jointing […]

How to remove black spot lichen from a patio (without damaging the stone)

Black spot will not pressure wash off. Here is the method our trade customers use on sandstone and limestone, step by step. Black spot is a lichen, not dirt. It roots into the top few millimetres of the stone, which is why a pressure washer only removes the surface colour and leaves a grey shadow […]

When should you seal new block paving?

Sealing too early traps moisture and causes a hazy finish. Here is the timing that actually works in the UK climate. New block paving needs time to weather so that efflorescence — the white salt bloom pushed out by the curing process — can work its way out. Sealing over it locks it in permanently. […]