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  #1  
Old 07-17-2013, 12:07 AM
G_Dubs G_Dubs is offline
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Screed advice

Looking for some different techniques on
screeding a wide area.

It's a simple 25 x 45 rectangular patio with probably
Unilok camelot or something else on the low end
Of the price range.

Also , I was taught by an old school guy that swears by strings/line levels but think I need to add, not substitute, a laser into the mix.

Any advice is appreciated.
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  #2  
Old 07-17-2013, 05:43 PM
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Lay PVC pipe a couple of feet across from each other then take a 2x4 and run it along the top of the PVC to level out the sand.
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Old 07-17-2013, 07:06 PM
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big daddy b big daddy b is offline
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PVC? Wouldn't that move too much, too much flex in it?
When we used to use pipes we used 1" EMT Conduit, it worked pretty well. We would get an 8' or 10' 2x4, spread the pipes about 7'8" or 9'8" apart and screed, in wide open areas.
Now we only use string lines and a board, no pipes. Much faster, better end result, no worries about tamping around pipes and so on. We set all the string lines with a laser, then mark the 2x4 at the elevation of the brick and screed along a string line to keep the same plane.
Takes a lot of practice to get good at this technique, but it's worth it.
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Old 07-17-2013, 09:43 PM
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Birchwood Birchwood is offline
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Quote:
Originally Posted by big daddy b View Post
PVC? Wouldn't that move too much, too much flex in it?
When we used to use pipes we used 1" EMT Conduit, it worked pretty well. We would get an 8' or 10' 2x4, spread the pipes about 7'8" or 9'8" apart and screed, in wide open areas.
Now we only use string lines and a board, no pipes. Much faster, better end result, no worries about tamping around pipes and so on. We set all the string lines with a laser, then mark the 2x4 at the elevation of the brick and screed along a string line to keep the same plane.
Takes a lot of practice to get good at this technique, but it's worth it.
I agree pvc has too much flex, we have used it if we have to have a curved transition to a sidewalk or crest of a hill. Otherwise we use 3/4" iron gas pipe.

I cant imagine using string lines and a 2x4 could be easy. it sounds too time consuming.
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Old 07-17-2013, 09:45 PM
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alldayrj alldayrj is offline
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PVC is a mistake I made once, conduit is ok, I use galv pipe or black pipe. 3/4" or 1". Much more ridgid.

Line levels lie if the lines aren't tight enough.
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  #6  
Old 07-17-2013, 10:54 PM
Stillwater Stillwater is offline
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Avoid PVC ..... I use string mostly on wall work or when necessary
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Old 07-18-2013, 06:01 AM
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for screeding we use 1" o.d steel pipe.
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Old 07-18-2013, 07:05 PM
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big daddy b big daddy b is offline
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Quote:
Originally Posted by Birchwood View Post
I agree pvc has too much flex, we have used it if we have to have a curved transition to a sidewalk or crest of a hill. Otherwise we use 3/4" iron gas pipe.

I cant imagine using string lines and a 2x4 could be easy. it sounds too time consuming.
Yeah I said the exact same thing when I first started doing it, it took way too long, but there was a learning curve. You no longer have the support of the pipes to rely on, so you have to pay more attention and not dig into the dust.
Now, 4 years later I can fly through a screed much faster than setting pipes and screeding. By the time someone is done setting pipes and screeded the area, I'd already be laying pavers. Not to boast, but that's just how much time it saves us, and in my opinion it gives us a better end result.
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  #9  
Old 07-18-2013, 08:51 PM
G_Dubs G_Dubs is offline
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Thanks for the feedback.

I've been using the 1" steel pipe already, but wasn't sure if there was another way to get it dead nuts accurate.

For the 25 x 45 patio, I was thinking of crowning the center 3/4" for the water to run, moving the 10' sections of pipe and re screeding as i go....that's the most efficient way i can think to do it, unless there are other techniques.
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Old 07-18-2013, 09:37 PM
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Quote:
Originally Posted by G_Dubs View Post
Thanks for the feedback.

I've been using the 1" steel pipe already, but wasn't sure if there was another way to get it dead nuts accurate.
What are "dead nuts"??
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My Equipment Brag List:

-1 CAT hat
-16 pairs of Hanes socks (the Heavy Duty model), many with holes.
-12 pairs of underwear, ranging from Joe Boxers to Jockey, many are in need of replacement. (no more photo requests please)
-hundreds of t-shirts. Some w/ grease stains, some torn & tattered.
-7 pairs of jeans, ranging from Levis to Polo to GAP. 1/2 of them have holes in 'em.
-1 belt
-1 pair of old worn out Nike shoes.
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