L patio out of square....


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Old 06-17-09, 04:43 PM
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L patio out of square....

I am laying pavers over an L shaped poured concrete slab. The one part of the L worked out great. All square. Now that I am making the turn (12'x35'), I am about 15 ft in an noticing about a 1 1/2" difference on the cut edge pieces. I have about 25' more to go and it's just going to get worse and look more noticable. The only way I can tell it's going on a bit of an angle is the cut edge pieces. I have to keep the border on the edge of the slab because it's between the house and my fence.

How do I start cheating the pavers so that I can get back to square? I don't think that cheating about 2" on 25' will be noticable, I just don't know if I can start racking interlocking pavers.

By the way I am using 6x6 and 6x9 modified herringbone pattern.
 
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Old 06-17-09, 05:02 PM
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I wouldn't cut the pieces on the edges. Try to shave the blocks in between.
 
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Old 06-17-09, 05:22 PM
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The edges have to be cut in anyway. I don't plan on cutting them any different. I understand what you are saying but that can be a huge amount of cuts to every block in the middle. I just thought that maybe I can rack every 2 rows or so about 1/8" and by the time I get to the end of 25' all should be good. Maybe that can work?
 
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Old 06-17-09, 05:24 PM
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If they are the commonly used interlocking concrete pavers, you cannot shave or rack the design. You will lose the strength of the surface and not have cast in spacers to maintain uniform joints.

It is even more important with a herringbone pattern.

Just split off the edges with a hand splitter (can be rented) that is use by contractors frequently for curves and angles. You can also saw the pavers if you have an anal personality. Sawing pavers inplace (before the edge restraint is installed) with a gas powered saw is very common for curved layouts.

This is done every day by contractors.

Dick
 
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Old 06-17-09, 07:11 PM
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I am using Cambridge Pavers. I do have a paver saw and I will see what I can do with trimming some of the inside pavers. I may still try to start the next row with an 1/8" rack and see if that will make a up the difference over 25'.
 
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Old 06-19-09, 08:13 AM
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i would lay it out dry first (since it's over concrete, i'm assuming that you're setting the pavers in mortar) adjust where necessary, and see what looks best.

when you get your design right, leave it in place, only pulling up a couple of courses around where you're starting - to avoid splattering the unlaid pieces with mortar.

edit: oops. just saw your earlier post.

since you're laying the pavers in sand, you should go ahead and lay the whole thing out and adjust it. it violates my principle of not picking things up twice, but it guarantees a better result.

is there any way to straighten the edge of the rat slab? maybe with concrete bricks or gray patio slabs or something else that will get covered by your pavers? you know, just enough to support the outside edge.
 

Last edited by sleeper; 06-19-09 at 08:52 AM.
  #7  
Old 06-21-09, 06:44 PM
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Everything seems to be squaring up. It turns out that my house foundation was out about 1" at one point. I was laying my border paver against that thinking it would be straight. Not the case. I cheated the border pavers out and made all look straight and square.
 
 

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