Polyurethane Over Vinyl Wallpaper

When it shrinks and the hot sun reactivates the glue on the vinyl and the edges will start curling.

Polyurethane over vinyl wallpaper.

I know polycryclic doesn t yellow like polyurethane. I ve done lots of reading but i can t get a straight answer. Will one adhere to the vinyl better. Allow the polyurethane to dry.

Looking to see if 3 or 4 coats of polyurethane will give protection. You want to make sure that your vinyl adheres well and that nothing comes up with the transfer paper. Can you put poly over vinyl flooring. If you put polyurethane over wallpaper it will be almost impossible to remove the wallpaper at a later date.

The polyurethane tends to curl the edges of a vinyl sticker and with the lighter adhesive the strength of the adhesive can break down. Apply a thin coat of polyurethane to the wallpaper using a high quality paintbrush or a foam pad. In order to remove wallpaper you wet it to soften it and then scrape it off the wall. Another factor on the above board might have been the seams of the wood this allowed the polyurethane to seep under the decal sticker just a bit and this reacted adversely with the adhesive on the decal sticker.

Water based polyurethane dries much faster than oil based and should be ready for a second coat in no longer than three hours. The vinyl won t absorb the polyurethane the way porous surfaces would like bare or stained wood etc but a couple of coats drying between each should cover without problems. I am skeptical i would read the label. On a wall decal sticker.

Generally yes you can help protect the wallpaper with polyurethane. I found sheet vinyl for my kitchen that i really like but it is not the best quality. Once you have your letters down and put clear varnish or the polyurethane over vinyl this material will shrink in hot weather. It will slightly change the colour of the wallpaper and as the coating drys it shrinks as the medium.

If you re thinking of applying a polyurethane varnish over the wallpaper it might work but there are a few things to consider. There are three ways that you can seal craft projects including those with vinyl. However once the paper is on it s not coming off without a complete overhaul sand it all off and redo it and you should be aware that paper tends to fade and yellow after a while.