OBO - Henry Blueskin WP Self-Adhered Waterproofing Membrane

partial roll Henry Blueskin WP self-adhered waterproofing membrane. High-performance for foundations, tunnels, balconies, and planters. Easy peel and stick application with no hot asphalt or open flame required. not sure how old it is but I have a cut swatch you can test. has been stored in a dry and shaded area. also have a bit of a can of the spray make me an offer. must go quickly as our storage is being demolished.