Removing stickers from a frame can be accomplished with the help of a few common and inexpensive household items. If the sticker leaves adhesive residue on the glass after you remove it, make a paste with baking soda and cooking oil and apply it to the area. I had a go at the staining with a washing up sponge, avoiding the green abrasive side, just using the yellow spongey bit. Any ideas on how to remove it? After that, the sticker should peel away easily. There are a few tricks to remove glazing putty without breaking the glass that I can show you. Vacuum any remaining dust or debris from inside the track and around the sash and frame. Answered. Don't get it from B&Q and Homebase etc as it will cost around £10. Let it sit for 1 minute, then wipe off the glue. I have cellulose thinners in the garage but suspect they would damage the uPVC. Although it's simple to apply, removing excess foam, once it has cured and expanded, can be difficult since you will need to sand it down. It’s also used for glass shower cubicles and screens in the bathroom. Thanks, MJ ... Sticky … Top 7 Methods You Can Use to Take Out Windshield Stickers and Decals