Goberco Under Deck Drainage System -Z/50/16- 50′ Long Roll for 16” Joist Spac

Goberco Under Deck Drainage System innovative Z-Fold Channel act as flashing against house wall to reduce leaks at ledger board Z-Folds opened creating a deep valley between joists closed Z-folds on top of rim joist creating a funnel to divert water into a gutter downspout less expansive than competitor’s big funnel ASTM industrial 30 mil thick durable polyethylene made in Canada thousands of rolls sold in the past 7 years in USA and in Canada winter resistant keep moisture termites ants insects away from your house protect your deck structure and investment for many years at low cost.

• downspout is between 1-2/s. f. – U. s. patented z-folds allow this membrane to act as flashing.
• gutter between joists.
• funnel meaning less risk of leaks at ledger board and rim joist.