Water Proofing Systems By Goberco

• On-top of joists installation - Keep framing and under deck area dry - Heavy Duty 30 mil thick black lldpe
• Easy to install - 1. Staple on top of joists 2. Self sealing tape over joints 3. Screw downspouts to water evacuation holes.
• Material cost under $ 2/s.f. (Goberco trough is about $1.2/s.f., self sealing joist tape is about $0.4/s.f. , regular downspout + plastic gutter + roofing screws are low cost).
• Save Time / Reduce Leaks - Fold against house wall for flashing (reduce leaks at ledger board) - Deep channel valley between joists - Regular downspout redirect water flow into a gutter (prevent water dripping / no special downspout needed). U.S. patent # 9,453,338

• On-top of joists installation - keep framing and under deck area dry.
• Industrial grade waterproofing membrane 30 mils thick black, each roll is 50 long, covering 50 s.f., for 12 joist spacing.
• Easy to install - 1. Staple on top of joists 2. Self sealing tape over joints 3. Screw downspouts to water evacuation holes.
• Material cost is between $ 1.5 - $ 2/s.f. ( goberco membrane is about $1.2/s.f., a good self sealing deck tape is about $0.4/s.f. , typical plastic gutter + down spout + roofing screws are low cost ).