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Forum topic by GMman posted 05-10-2010 02:23 PM 993 views 0 times favorited 7 replies Add to Favorites Watch
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3902 posts in 3869 days

05-10-2010 02:23 PM

Topic tags/keywords: question

Question re: a deck.
The 1st deck is made of cement, on top 2nd storey is flat “made of plywood” so it will not leak on the bottom one is an inch and a half pitch for a 7” deep enough for the water to run out, no overhead roof on the 2nd one….Thanks

7 replies so far

View Moron's profile


5032 posts in 4065 days

#1 posted 05-10-2010 02:27 PM

I cant remember if its 1/4” per foot of slope or 1/4” per 4’ of slope to maintain good water run off. I’m guessing that its 4’ ?

-- "Good artists borrow, great artists steal”…..Picasso

View nailbanger2's profile


1041 posts in 3315 days

#2 posted 05-10-2010 02:35 PM

1/4” per foot will get all the water off quickly, but if you have a bar cart with wheels, they better have breaks! I generally go with 1/4” per foot, then cheat up.

-- Wish I were Norm's Nephew

View Karson's profile


35139 posts in 4572 days

#3 posted 05-10-2010 03:25 PM

I assume that you meant 1 1/2” per 7 ft and not 7 inch a 1 1/2 ” per 7 in would get the water off fast enough but would be hard to stand on. LOL

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Appomattox Virginia †

View Dick, & Barb Cain's profile

Dick, & Barb Cain

8693 posts in 4471 days

#4 posted 05-10-2010 04:07 PM

I read somewhere that 1/4” in 10 feet should be enough.

-- -** You are never to old to set another goal or to dream a new dream ****************** Dick, & Barb Cain, Hibbing, MN.

View GMman's profile


3902 posts in 3869 days

#5 posted 05-10-2010 05:07 PM

Thanks to all of you for your information.

View TopamaxSurvivor's profile


18379 posts in 3848 days

#6 posted 05-11-2010 04:04 AM

Plumbers use 1/4” per foot

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View acrollet's profile


9 posts in 3190 days

#7 posted 05-11-2010 04:38 AM

When I worked as a carpenter, we built a second story deck one time where we actually built a roof with a shallow pitch, and then a regular deck on top of it…

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