Interior stone wall treatment Brickwork, drystone walling, render are a few subjects covered here. Click here to post questions and get answers

[HarryBagot]

I am renovating an old house that has a large limestone feature wall in the dining room. The wall looks great and the rendering is in good nick. However it is a real dust trap. What is the best way to seal the wall? Would a solution of water/PVA work or are there better products available?