Why it’s a good idea to reuse polystyrene and a creative idea to make better use of it.

This homemade method shows how to repurpose old polystyrene to create a useful sealant , especially for patching leaks in roofs. It’s an economical, practical, and recycling-based alternative.

Materials needed

• Used polystyrene
• Heat-resistant pot
• A little water
• Knife or scissors
• Small plastic bottle
• Regular paint (whatever you have on hand)
• Surface with leaks (e.g., corrugated roofing sheets)

Step-by-step process