Once any liquid sealer has dried out inside the sprayer it will leave seals, nozzles and the lance coated in resin. 2) sweep dry, properly graded sand into joints and fill to required level slightly below the top of the pavers (typically 1/8”). WOOD+ PRO TECH Series, SemiGloss Sealer Wood sealer Start in one corner of the area to be sealed and work in sections spraying just enough sealer to cover the surface. How to seal pavers with sprayer . You must cover and seal the entire area evenly, so you should pay attention to the areas you are spraying. Keep off the pavers for 24 hours to allow the sealer to fully dry. Ensure the block paving is clean, dust free and that no efflorescence (surface whiteness) is present. Complete the process until all the travertine pavers are sealed. Use a squeegee to direct material into the joints and remove excess material from the surface; All sprayer types have a limited life use, but if promptly cleaned and maintained after use, proper care...