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Wife Wants A Shade Sail Installed- Help!

Posted on 3/12/19 at 7:42 pm
Posted by SirSaintly
Uptown, New Orleans
Member since Feb 2013
3178 posts
Posted on 3/12/19 at 7:42 pm
Wife wants a rectangular sail shade installed over our patio. I agreed thinking it would be easy, but after doing a little bit of googling, I see this is much more complicated than I thought.

Single story ranch house btw. 2 ends of rectangle will attach to house (the facia maybe? Under the eave?) And the other 2 points will have to attach to 2 posts I'll have to set in the ground right off patio.

What size posts? I was thinking 10' 4x4 pressure treated sunk about 2' and pour quickcrete around the post? After reading about wind loads and other shite I don't understand, I'm questioning this whole project and thinking it's beyond my capabilities. Seemed simple enough, but I don't want my fascia and gutters to rip off in a strong wind

Here's a pic of what she wants (only 1 sail though)
Posted by wickowick
Head of Island
Member since Dec 2006
46138 posts
Posted on 3/12/19 at 7:48 pm to
I think you need to go deeper in the ground, but I’m no engineer
Posted by Tigerpaw123
Louisiana
Member since Mar 2007
17632 posts
Posted on 3/12/19 at 8:08 pm to
4x4 is going to warp and look shitty go with a 4x6 or 6x6
I have always heard to sink a post 1/3 of its length , so I would get 12’ and sink it 4’ But you would probably be fine only sinking it 3, just depends on how high you need it

Make damn sure you have it anchored into the wall good and into a stud

Will be a project but you can handle it
This post was edited on 3/12/19 at 8:16 pm
Posted by awestruck
Member since Jan 2015
12370 posts
Posted on 3/12/19 at 8:12 pm to
How about one of those rollup (non-rv) type awnings.

It wouldn't rot in the sun in two years, be torn to shreds after a couple storms, and be out of the way (not so unsightly) most of the time.
Posted by Tigerpaw123
Louisiana
Member since Mar 2007
17632 posts
Posted on 3/12/19 at 8:30 pm to
Or you could use a 3” galvanized metal fence post to attach the awning to, and case it in with 1x8 cedar boards to make a faux column
This post was edited on 3/12/19 at 8:43 pm
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
84415 posts
Posted on 3/12/19 at 8:34 pm to
Sunsetter Awning?
Posted by ruzil
Baton Rouge
Member since Feb 2012
17930 posts
Posted on 3/12/19 at 8:51 pm to
quote:

Sunsetter Awning?


This, my BIL has one and it works flawlessly.
Posted by WPsportsman
In a van down by the river
Member since Jun 2015
2408 posts
Posted on 3/12/19 at 8:53 pm to
Why not just build a roof and add value to your house
Posted by TheriotAF
Member since Mar 2013
697 posts
Posted on 3/12/19 at 9:00 pm to
4x4x10 isn’t enough.

If I was doing it I would go 6x6 for sure and probably a 12ft sunk 4 ft.

Not sure how I would go about anchoring into the house though. Would have to do more research. There will be a lot of tension to stretch that canvas out to keep it tight and will probably need to be tightened every once in a while.
Posted by BigHoss
Offshore
Member since Apr 2010
3360 posts
Posted on 3/12/19 at 9:37 pm to
I did a 4*4 and let it dry for a month and it warped like crazy.

Do a 6* or a metal post.
Posted by SirSaintly
Uptown, New Orleans
Member since Feb 2013
3178 posts
Posted on 3/12/19 at 9:39 pm to
quote:

Sunsetter Awning?


I showed her pictures and she thinks it looks like "old people" awnings. She doesn't like how they angle down. She actually likes the look of this sail shade (too much Pinterest probably ) and likes that it'll be about 8'-9' off the ground the entire width of the thing. She already bought the damn sail at Costco. It's 13'x7'
Posted by SirSaintly
Uptown, New Orleans
Member since Feb 2013
3178 posts
Posted on 3/12/19 at 9:41 pm to
quote:

Do a 6* or a metal post.


A plain old metal fence post will work? I figured a 6x6 would be stronger, but a metal fence post will be easier for me to handle installing this thing.
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3967 posts
Posted on 3/12/19 at 9:42 pm to
Wind will rip that 1x fascia rite off

Posted by shiphascomein
Member since May 2015
136 posts
Posted on 3/12/19 at 9:43 pm to
I would agree on the metal post.

I have exactly what you are talking about, but my sail is attached to the house on all four corners. Basically, it covers a sort of courtyard. I just have stainless eye bolts screwed into the facia boards. They are 2x8 i think. The sail is attached to cables and the cables are attached to the eye bolts. I take it down at the end of summer every year.
Posted by thejudge
Westlake, LA
Member since Sep 2009
14747 posts
Posted on 3/12/19 at 9:54 pm to
I did mine. Few things to consider....

I bought mine custom from a place online. I gave them my part dimensions and they made it to with the takeoff for the turnbuckles I needed on all four corners.
If you get a true rectangle you'll never get it tight enough. They make the cut insurance for that reason.

I used 4x6 posts and turned them to the middle using the thickest part to bolt through for turnbuckle mount. Tip.. angle them to the center of the sail if it's a rectangle then turn them in a bit more to each other on the short ends. Gives a stronger position to pull from without twisting the wood.

Ground treated wood sunk 1/3 in the ground. Used big galvanized nails in the base as additional grip in the concrete to resist pull out.

Wired with electrical and added a seal motor fan and lights around it. Looks great. Been up three year.

Also. You don't have to add water to your concrete. Just pour it in and shape the top so water doesn't sit against the post. In a day or two enough groundwater is absorbed to set the concrete. Assemble sail after they setup. Ground down south is moist enough.

I can post pictures if you want.
Posted by SirSaintly
Uptown, New Orleans
Member since Feb 2013
3178 posts
Posted on 3/12/19 at 9:54 pm to
quote:

I would agree on the metal post.



Just a regular 15 gauge metal fence post like I can get at Home Depot? That makes my job a little easier as that won't be nearly as heavy as 12' 6x6 posts, but the metal posts are so much skinnier. I guess their stronger b/c their metal?

As for the fascia, I think I have to get the mounting hardware through the fascia and into the rafters. That should be pretty secure. Rafters are basically studs.

Thanks for all the tips y'all. I'm not the handiest guy and engineering is definitely not my strong suit
Posted by SirSaintly
Uptown, New Orleans
Member since Feb 2013
3178 posts
Posted on 3/12/19 at 9:56 pm to
quote:

I can post pictures if you want.


Please and thanks!
Posted by thejudge
Westlake, LA
Member since Sep 2009
14747 posts
Posted on 3/12/19 at 9:59 pm to
I get in a bit
Posted by wickowick
Head of Island
Member since Dec 2006
46138 posts
Posted on 3/12/19 at 10:01 pm to
What is the soffit and fascia material? How old is the home? If it is a newer home with vinyl soffit, you can pop the soffit off to see where the rafters run, then install a scew eye hook into the rafter tails,
Posted by SirSaintly
Uptown, New Orleans
Member since Feb 2013
3178 posts
Posted on 3/12/19 at 10:14 pm to
It's wood...1950's ranch.
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