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Old 04-02-2018, 10:53 AM   #1
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Umbrella Bases


The missus just bought a new 'casual seating' set for our deck to replace the traditional eating-type patio set, including an offset/cantilever umbrella which require pretty beefy bases to counteract the offset plus wind forces. We haven't bought the base yet as I was unsure of my choice. The typical 'cruciform' base uses 4 flat weights and is about 30-36" in each direction. There is also base that is essentially a big-hunk-o-stone; similar weight but less square area. I'm torn between the benefits of mass versus mass+area to ensure stability. The smaller-area base has certain advantages.

I know this is a real first-world problem but was wondering if anyone had any insights with these types of umbrellas.

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Old 04-02-2018, 11:16 AM   #2
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Re: Umbrella Bases


A friend had one that wanted 4 2 in thick 24x24 concrete pads. He had one that would always be a tripping hazard so he cut that one on the angle and doubled it up.
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Old 04-02-2018, 12:24 PM   #3
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Re: Umbrella Bases


Basically, it would be my professional, extensively experienced, and well educated recommendation, that the one your misses likes best will be your best choice.

....... even if the umbrella blows away.
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Old 04-02-2018, 03:10 PM   #4
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Re: Umbrella Bases


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Originally Posted by MTN REMODEL LLC View Post
Basically, it would be my professional, extensively experienced, and well educated recommendation, that the one your misses likes best will be your best choice.

....... even if the umbrella blows away.
Ha! Too true. She's leaving the base selection up to me. She picked the set and umbrella and I get to pick the base. Good times . . .
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Old 04-02-2018, 03:44 PM   #5
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Re: Umbrella Bases


I would be figuring a way to bolt it solid to the deck.

Of course I get very high winds at times. 60 - 80 mph at least a few times a year is common here.

Is there a way to supplement the round one with extra weight, or an anchor bolt?

I like extra toe room under a table, I have BIG foot, used to be feet, but last July I lost the left one.

ED
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Old 04-02-2018, 04:29 PM   #6
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Re: Umbrella Bases


Quote:
I know this is a real first-world problem but was wondering if anyone had any insights with these types of umbrellas.
Ayuh,..... I've got the remnants of one in my scrap pile,....

When the wind blows, even with the umbrella down, there ain't enough weight to hold it down,..... Period,......

I've built a few regular style umbrella bases,....

One is an aluminum ingot, that's 'bout a foot round, maybe 15" high, taperin' at the top to 'bout 10" round,....
With a 6" hole through the center,....
I welded into the hole in the center a couple of 3/8"x 3" plates, I trimmed the ends to cope the radisis,.....
Then drilled a hole the size of the pole in the center of the plates,.....
It weighs 40 or 50lbs, but when tipped, rolls 'round the deck easily,.....

The other, for on the houseboat sundeck is an ole boat prop, welded to an ole aluminum flywheel from a V-8 Chevy,....
I dropped into the center a piece of square aluminum tube that fits the pole, 'n poured hot lead into the space 'tween the prop's barrel, 'n the square tube,.....
Weighs maybe 20, 30lbs tops,....
No good in the wind, unless centered under the table, 'n the pole through the table, into the base,.... even then the umbrella needs to be put down,....
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Old 04-02-2018, 04:37 PM   #7
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Re: Umbrella Bases


Bolting it to the existing patio seems like a good idea. Guess that depends
it's "feet" and the type of deck.
Downside would be that it's not moveable and on the upside it's strong and
not a trip hazard or area hog.
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Old 04-02-2018, 09:13 PM   #8
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Re: Umbrella Bases


Thanks guys. I recently spent a $gazillion have a composite deck built so drilling holes ain't happening. Besides, as mentioned, the location becomes immovable unless I want to drill even more holes.

To be clear, this isn't the type of umbrella that goes in the centre of a table; it sits off to the side.

(file photo)

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Old 04-02-2018, 09:33 PM   #9
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Re: Umbrella Bases


This one has better base .
https://www.wayfair.ca/-Freda-96-Can...QaAv4jEALw_wcB
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Old 04-02-2018, 09:50 PM   #10
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Re: Umbrella Bases


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Originally Posted by lenaitch View Post
Thanks guys. I recently spent a $gazillion have a composite deck built so drilling holes ain't happening. Besides, as mentioned, the location becomes immovable unless I want to drill even more holes.

To be clear, this isn't the type of umbrella that goes in the centre of a table; it sits off to the side.

(file photo)

Either one ( this one, or Neil's) are too easily sent sailing in the wind for my taste, I would get some sandbags, or other HEAVY weights on either one of them.

Ever had one fly through a nearby window?

It ain't pretty, and then you have dirt, rain, or other storm debris getting indoors, until you can get a sheet of plywood nailed over the window temporarily.

Then you get to fix the window, nail holes and everything that got broken.


Or it blows to the neighbors window, then you have even more troubles.


Anchor it well.


ED
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Old 04-02-2018, 09:55 PM   #11
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Re: Umbrella Bases


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Originally Posted by de-nagorg View Post
Either one ( this one, or Neil's) are too easily sent sailing in the wind for my taste, I would get some sandbags, or other HEAVY weights on either one of them.

Ever had one fly through a nearby window?

It ain't pretty, and then you have dirt, rain, or other storm debris getting indoors, until you can get a sheet of plywood nailed over the window temporarily.

Then you get to fix the window, nail holes and everything that got broken.


Or it blows to the neighbors window, then you have even more troubles.


Anchor it well.


ED
Ed, the one I posted takes four pieces of concrete which can be doubled or tripled with the big lilly pads you buy.
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Old 04-02-2018, 10:07 PM   #12
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Re: Umbrella Bases


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Ed, the one I posted takes four pieces of concrete which can be doubled or tripled with the big lilly pads you buy.
Ah, I looked closer, with enough pavers added it just might stay where he wants it to.

After blowing up the picture, I can see the pavers with the framework between them.


So yes your base was better.



ED
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Old 04-04-2018, 04:42 PM   #13
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Re: Umbrella Bases


Thanks for input folks. All of the base variations run roughly 200+ lb and the umbrella is only deployed when we are sitting outside - otherwise it is collapsed. I'm going to keep pondering but am leaning to the cruciform (x-type) with weights as they have more surface area.

No rush however - by times today I can't see the house across the road for snow.
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