
Can you paint over thompsons water sealer. Not sure what you mean by polyurethene based paints since there are oil based poly and water based poly both. Length of protection will vary depending on environment. And painter worth his salt will be doing some sanding prep no matter what the condition of the old thompsons or other seal anyway. What you need to do now is to remove it.
Its main ingredient is paraffin. See what the best way is to. Now as far as painting goes i would think long and hard about painting any interior floor. They have a line of products called deckscapes.
But you can put latex paint over thompsons waterseal clear multi surface waterproofer. I dont see anything in the bm or any other exterior stain deck preparation about sanding the wood and ive never seen or even heard of a stain failure. Yes you can paint over thompsons although thompsons does recommend a waiting period. Start with stain and sealer remover.
See how i fixed this situation. Cant get your pump garden sprayer to spray deck sealer like thompson water sealer. Allow a minimum of 3 days drying time before applying oil based paint over thompsons waterseal waterproofer plus masonry protector. I cant remember what it is off the top of my head but its on the container.
It looks cool when the water beads up but it does not penetrate to protect the wood. Paint can be applied to water sealers but the drying time of the sealer itself is the most important part of this task. For best results prime the water sealed wood first. Painting over thompson water seal.
Anyone who cant just give an answer without resorting to name calling and personal attacks is a jackass. Use either a latex based or an oil based primer as your first coat of paint before applying the finishing coat. This video will save you a lot of time and money. No you cant use water seal over paint because the whole idea behind the sealer is that it does penetrate wood and paint prohibits it from doing its job.