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Shpigford 07-08-2009 11:21 AM

What is a good way to anchor/secure a pergola to a paver patio?
So I just laid a large-ish patio with pavers (with the joins filled with sand) and now we're wanting to build a 12'x12' pergola on the main area.
I know ideally I should have planned the pergola before hand and set the posts first or at least left a few of the pavers out, but alas foresight wasn't one of my strengths here.

So, the question now is how do we anchor the pergola to the patio? We don't want to anchor to the it's just a freestanding, 4 post structure we're going for.

I've read about using steel rods drilled into the pavers/ground as a way to anchor, but wasn't sure if there were any better/easier ways of going about it.

Additional bits of info is that pavers are 3 inches thick plus 1" of sand and 4" of 3/4" crushed mountain granite below those pavers and then just good 'ole dirt below that.

So, any advice/tips on this would be great.

Gary in WA 07-08-2009 12:17 PM

Depends on location and high winds area. I wouldn't trust the stakes for up-lift. I would use something similar to this: Pour a footing down at your frost level and use gravel under and as back-fill.,M1

How gravel prevents frost heave: Be safe, G

Shpigford 07-08-2009 12:18 PM

Thanks GBAR, I guess I'm really wondering if there's a way to anchor the thing without having to pull up pavers and pour concrete.

PaliBob 07-08-2009 01:02 PM

Nice Patio, I'm sure the Pergola will be magnificent. Before sinking big bucks in the Pergola I would consider sinking a DIY foundation.

A proper foundation is always important. In Denver you also have to consider

I would consider Sonotubes as there are ways to conceal the base to make it appear that the Pergola posts are just growing out of the ground.


Ron6519 07-08-2009 10:05 PM

You can't really put that size structure on a paver patio, too much weight. You need to remove the pavers under the pergola where you pour the sonotubes. The piers will carry the weight of the structure.

rahfiki 07-12-2009 01:12 PM

The pavers will not be any kind of support to attach the pergola posts to. I would do a proper footing.

It is much easier to pull up a few pavers now and do a proper footing and pave around it now then.....rebuilding your pergola after it falls down AND still having to redo some pavers becuase they pulled up with the post as the pergola fell over (hopefully not landing on anyone or anything).

Just me 2 cents...:whistling2:

JackLantern 06-13-2012 10:49 PM

what would happen if set on paver?
what would happen if set on paver?
would the weight of the pergola make the pavers sag in that area?

I have about 20" of stone under my patio due to the grading that was there? does that make a difference?

hand drive 06-13-2012 11:02 PM

up from the depths, maybe the original poster will respond..

PaliBob 06-13-2012 11:15 PM


Originally Posted by hand drive (Post 943058)
up from the depths, maybe the original poster will respond..

Yes this is a three year old thread. The poster should have started a new thread. The original comments were all good regarding weight and the importance of considering up-lift in wind.

JackLantern 06-13-2012 11:24 PM

what is wrong with replying to an old thread?

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