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DadHelpingSon
Hi all. As name implies Dad is helping Son with renovating his flat. I built a new wall in the bathroom from WBP ply. Plumber (yes I know, why listen to him) suggested coating the ply with 3-1 PVA. I then used Mapei D1 adhesive. Some tiles are coming loose - fortunately have not done too many yet. Mapei say I shouldn't have used PVA and to sand it off. The forums all confirm not to use PVA. It would be a massive job to sand it all. Is there a product (eg primer) I can apply over the PVA? BAL SBR is mentioned a lot - will it go on top of PVA? I can use another brand of adhesive as the shop will take back the uniopened tubs of Mapei.
Also, I need to tile-on-tile on the kitchen floor. Existing tiles are sound. What prep & adhesive?
Also, I need to tile-on-tile on the kitchen floor. Existing tiles are sound. What prep & adhesive?