Goberco Under Deck Drainage System – Z/50/16 – Each roll 50’ long, for 16’’ joist spacing, 30 mils thick black lldpe
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 66 s.f., for 16 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 $0.4/s.f. , typical plastic gutter + down spout + roofing screws are low cost ).
Z/50/16 – Each roll is 50′ long x 17 1/4” width (for 16” joist spacing) x 30 mils thick – black astm heavy duty polyethylene – top side black, back side gray or black – Easy to install and affordable: goberco deck membrane + 4” tape + downspout is between 1.5 – 2$/s.f. – U.S. patent 9,453,338 z-folds allow this unique membrane to act as flashing + gutter between joists + funnel meaning less risk of leaks at ledger board and rim joist. – Save time and money: no need of extra flashing and funnel (simply use typical gutter downspout). – Compatible with treated wood, cedar or composite wood. – Get extra storage under the deck, protect deck structure, get water, insects (termites, ants…) off the deck. – Available for 5 years, sold thousands of roll across USA and Canada, 20 years warranty (see website for details).