how do you deal with water at the fashia end of the joist run? I do not see down spouts listed

At the end of the joist bay staple the membrane on top of rim joist then make a hole. Attach a piece of gutter downspout ( about 8'' long ) to this hole, make sure each downspout piece drops far enough into the gutter to prevent wind from pushing water off the gutter. Please see installation video on GOBERCO's website.

How do you account for accumulation of leaves, pine needles & helicopters falling from trees?

I usually account them one at a time. But to wash them away i have placed a drain system that allows removal. Just cut 4inch holes in a line opposite joist. Then place gutter under holes. Use gutter downspout pipe to direct flow into gutter. Then when accumulation occurs wash down, then slide out downspout pieces leaves and helicopters fall out. Been working for me.

Is this material non-combustible or a class b fire rated material? I need it to pass hfz code in riverside county ca

Hello, NFPA Flammability rating is 1 (Slight), please send us an email then we will forward you the spec date sheet. Thank you.

How many joist will a 50 foot roll do

For example a 50' roll will cover 4 joist bay of 12' long ( 12 x 4 = 48 ). If your joist are 16' long a roll can make 3 joist bay ( 16 x 3 = 48 ).

Under Deck Drainage System Z 50 16 50 Long Roll

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Description

GobercoUnder Deck Drainage System -Z/50/16-50' Long Roll, for 16'' Joist Spacing, 30 Mil Thick Black Trough.

Specifications

ASIN	B00STPXKLY
Best Sellers Rank	#445,786 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #379 in Gutter Downspouts
Color	Black/White
Customer Reviews	4.1 4.1 out of 5 stars (217)
Date First Available	January 27, 2015
Item Package Quantity	1
Item Weight	11.88 pounds
Item model number	1725503016
Manufacturer	Goberco Building Products inc.
Material	30 mils thick linear low density polyethylene industrial grade ASTM
Part Number	20130001
Product Dimensions	50 x 17.25 x 18 inches
Size	50 FT / 16 in
Special Features	US patented Z-Fold act as water evacuation channel between the deck joists

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€ 441.51

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to GERMANY.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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