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How to Remove Cured Polyurethane Adhesive

2012-10-23   Views:1

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Polyurethane adhesives bind together a large variety of surfaces, from wood to plastics to fibreglass. Easy to apply with room-temperature curing, once it's in place it's a difficult substance to remove. When you need to remove cured polyurethane adh

Polyurethane adhesives bind together a large variety of surfaces, from wood to plastics to fibreglass. Easy to apply with room-temperature curing, once it's in place it's a difficult substance to remove. When you need to remove cured polyurethane adhesive, you'll have to go about it mechanically. The process takes time, especially if you wish to remove the adhesive without damaging the glued surface. Eventually you'll see results as you clear away the glue layer by layer, revealing the cleared surface beneath.

Skill level:Moderate

Things you need

SpongePaper towelsRazor knifeCard scraperFine-grit sandpaperSanding block

Instructions

1 Clean the surface with a damp sponge and water to remove any dirt from the area so you can see the full extent of the adhesive placement. Pat the surface dry after cleaning with paper towels.

2 Remove the cured polyurethane adhesive with a razor knife. Place the blade of the knife at the edge of the adhesive then slowly work it beneath the material, taking care not to scratch the surface beneath. Use a slow slicing motion to cut away the adhesive in small pieces until a thin layer of glue remains on the surface.

3 Remove the remaining layer with a card scraper. Place the scraper along the edge of the adhesive and scrape the adhesive away by pushing the scraper along the surface until you've removed everything but a slight spotty adhesive residue.

4 Attach fine-grit sandpaper to a sanding block then sand the surface to remove the last of the adhesive residue. Wipe the area clean with a damp cloth, and then pat dry with the paper towels.

Tips and warnings

Wear work gloves during the removal process to avoid injury.

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