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re: Playhouse foundation question for the OT dads

Posted on 4/29/16 at 11:20 am to
Posted by Salmon
On the trails
Member since Feb 2008
83556 posts
Posted on 4/29/16 at 11:20 am to
guess it all depends on how long you want it to last

I just bought a Rainbow Systems Playset yesterday and I'm putting it on pavers

I want it to last a good 10+ years though
Posted by madmaxvol
Infinity + 1 Posts
Member since Oct 2011
19133 posts
Posted on 4/29/16 at 11:22 am to
Depends on the soil. Up here (where we have a ton of clay) I would just use some precast concrete piers. The weight of an 8x6 playhouse should be enough for it to be pretty damn stable. You could always pour small pier footers and use metal post shoes to keep the bottom of the post from setting in water and rotting.





Posted by DHS1997
BATON ROUGE
Member since Nov 2014
867 posts
Posted on 4/29/16 at 11:26 am to
concrete them 2ft in the ground 1 bag/post
Posted by 777Tiger
Member since Mar 2011
73856 posts
Posted on 4/29/16 at 11:28 am to
quote:

1 bag/post

a bit much isn't it? I get 4 metal posts from a bag, or 2-3 4x4s
Posted by TeddyPadillac
Member since Dec 2010
25513 posts
Posted on 4/29/16 at 11:34 am to
I built one that's 8'x 16'.
I was supposed to do two 8'x 8' ones and connect them with a bridge that would have swings hanging from it, but that was going to be just too much of a hassle and too high in the air. Figured at some point in my boys lives they would jump off it, and it would be 12' in the air and that's just dumb.
I didn't cement anything in, or rest the posts on anything. I connected all my 4x4's with 2x12's at the bottom. Built the deck at a height of 5'.

It ain't going anywhere. i've had many adults walk on it and all felt more than comfortable. Even the lookout at the top is more than sturdy for my 260 lbs arse.

The rock wall was an easy and cheap add on. You can build one for less than $50. To buy it premade is something retarded like $400.
I put a fireman's pole off the back and a pulley as well. They love putting their toys in the basket, pulling it up and then throwing them back down to do it again.
The slides are expensive as hell too. The two i have were $200 each and the yellow one is used.
The guy at backyard adventures on Siegen and Airline was very helpful with me.
Not to toot my own horn, but i literally built this by myself. Only help i had was a ladder to hold things up for me, which was better than the wife.


Posted by junkfunky
Member since Jan 2011
33890 posts
Posted on 4/29/16 at 11:49 am to
If you want it to last you should use sonotubes that come up at least 4" above grade with a chamfered top to get the water away from the post.
Posted by junkfunky
Member since Jan 2011
33890 posts
Posted on 4/29/16 at 11:51 am to
quote:

not if its heavy enough


You could have differential settling if it's too heavy depending on the soil.

ETA:

A skid system similar to Napoleon's wouldn't be an issue because the loads spread more but with it being elevated and heavy you want to make sure you have a fairly stiff, homogenous soil.
This post was edited on 4/29/16 at 11:55 am
Posted by TeddyPadillac
Member since Dec 2010
25513 posts
Posted on 4/29/16 at 11:52 am to
quote:

If you want it to last you should use sonotubes that come up at least 4" above grade with a chamfered top to get the water away from the post.



It's a playhouse for kids. You'll end up tearing it down b/c your kids don't play on it anymore before you start to see any issues with rot or deterioration.
Posted by junkfunky
Member since Jan 2011
33890 posts
Posted on 4/29/16 at 11:56 am to
Probably, but it'd make a decent mother-in-law suite once the kids move out if OP's ever in that position.
Posted by TeddyPadillac
Member since Dec 2010
25513 posts
Posted on 4/29/16 at 12:03 pm to
We have a pretty big backyard, so it's not taking up that much room right now, despite how big it is.
Eventually though, it needs to come down b/c backyards were made for baseball/football/soccer.

Leave it up too long and you'll have 12 year olds trying to do flips into kiddie pools from them.
Posted by Eightballjacket
Member since Jan 2016
7314 posts
Posted on 4/29/16 at 12:21 pm to
I used pea gravel for the foundation for my kids' cedar play set. No problem with rot. The only concern was with weeds, because after a few years I was pulling up edgenut weeds almost constantly.
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