Product details:

One-sided Thermo Insulated Bubble, 24x 125' by Prevents heat from passing through the layer of 5/32(4mm) polyethylene bubble - The edges may be stapled, glued, taped or nailed - Prevents moisture, humidity, or condensation buildup - To fit for size use scissors or a utility knife - Effective thermal radiant barrier: reflects 96% of radiant heat transfer with a thermal resistance R value of 4. 9 to 14. 1Great insulation for basements and crawlspaces, garages, metal buildings, pole barns, poultry houses, green houses, roofs, walls, Air ducts, and attics