Implement Leanto

[txdon]

I need to build a 12' leanto on each side of my existing 20'X20' tractor shed (see attachment) to store the implements. I got all the brush cleared from the sides after the snow melted this weekend /forums/images/graemlins/grin.gif and now I'm in the final planing stage. No snow load requirements even though there was 1/2" on it for about 6 hours. The roof will be metal. I'm also thinking 2X6 rafters @ 24" centers and 2X4 purlins @ 3'. I think I will make a triangle flashing that will slip under the existing roof. The drop on the existing roof is 17" in 20'. I figuring three post on end, and should the post be treated poles or treated 4"x6"s? Anything I'm missing or any suggestions appreciated?

 

[Glenn9643]

Can't determine the roof height from the picture. Will you be able to get your tractor under the lean-to roof? If not, you might want to consider raising the roofline on the leanto on the high side of the building so you can back the tractor under there with heavier implements.
2X6 rafters @ 48" centers and 2X4 purlins @ 2' is plenty around here. I wouldn't exceed 24" centers for the lathing. I've seen (and used) 1x4 lathing on 48" rafters with no problem. Recommend minimum 29 guage galvalume. Treated 4x6 or 6x6 posts will be fine. 2x10 set into the posts to support the rafters/roof.
Triangle flashing that will slip under the existing roof should be OK for the lower side, but would it work to get the metal long enough to slip it 12" underneath the existing metal? On the high side you will probably need some sort of "ridge cap" unless you decide to raise the shed roofline as I suggested.

 

[txdon]

Glenn9643, after reading your post, and to keep it as simple as possible, and to eliminate the flashing and to keep it as high as possible for the tractor to back under, I believe I will get the same roof metal that is on the shed now, attach it to the existing roof, and extend the building out 12' on each side (The roof metal comes 3' wide and increments of 2'). I will screw the metal directly onto the rafters. To keep some rain and sun out of the highest sides, but still allow clearance for the tractor canopy, I'll creatively use some of my leftover antique (rusted) metal for an awning. Thanks.

 

[Glenn9643]

Can't tell, but it looks like corrugated metal over the windows? Is this what you're using?
You said "I will screw the metal directly onto the rafters". You're going to have to fasten the metal to 'purlins' or 'lathing' running perpindicular to the length of the metal and rafters on 2' centers or less. Otherwise you won't have any support for the metal.
BUT maybe I've been misinterpreting the slope of the roof... If it slopes front to rear instead of from one side to the other, and you plan to run the metal lengths and shed roof pitch from front to rear instead of from the existing building out to the side??? That might work.

 

[txdon]

Glenn9643, attached is a photo of the roof slope and front. There is also a very crudely drawn (with mouse) sketch which shows projected post-red, rafters-orange and rusty metal awning-green. The metal above the windows is not on the roof that is the rusty metal that the awning will be made of. Thanks.

 

[Glenn9643]

That helps in understanding what you're doing. I was halfway through my last post when it came to me that your roof pitch had to be front to back, and what you had in mind. Good luck with the project! You might consider adding 1x4's over the 2x6 rafters if you're like me and have trouble keeping the screws in the wood!
I built a 24X40 shop here 3 years ago, with 24X24 drop-sheds on each end with a 18X42 shed down the north side. Thought I had enough covered storage, but now I'm in the middle of adding a 24X42 shed down the south side. There's never enough storage space or sheds seems like.

 

[Molerj]

I had a thread about adding a lean-to a few months back. I'll try to show the link. adding a lean-to Maybe you can get a few ideas from my experience.

 

[Soundguy]

Good luck... I noticed you specifically mentioned that you weren't woried about snow load.

I posted a while back about a cheap 'throw it up fast' type leanto for a tractor, and also mentioned 'not snow load rated' and I got heck from every person that has ever driven a nail into a piece of wood... I specifically mentioned that what I was throwing up was NOT SNOW RATED, etc.. and was for my use in florida, with the understanding that if it failed via snow.. items under it were at risk... still... like I say.. I got advice on snow calculations from everyone.
...and I'm a CE /forums/images/graemlins/shocked.gif

Some people don't understand that sometimes you want
a 180$ roof over something as temp storage.. and not an $1800 roof over something that has a familly under it....

After that episode, I usually only lurk in any of the project / building subs. I doubt I'll ever again post my opinion on something that involves construction... too many people here are fast to jump to conclusion, and/or jump on your back... for that same reason, I'll never give advice over email, or without a certified for building ( not estimating ) blue-print in hand, for my state only ( florida ).

Soundguy

 

[txdon]

Finally finished the tractor implement lean-to. It is tall enough for the tractor and enough room for this years implements. I kept it simple and used materials at hand when available. The lean-to even has windows for light. It was "interesting" to put awnings on the sloped roof of the lean-to and then add a lean-to on the back of the lean-to for more room and a wall. This eliminate the need to put another lean-to on the other side of the tractor shed. The wife says it is on the verge of tacky, and calls it a "Cat in the Hat" Lean-to. But I know it has just the right amount of rustic-ness to blend in with the tractor shed. For you viewing enjoyment please see the attachments. /forums/images/graemlins/grin.gif

 

[txdon]

another view...

 

[txdon]

and the last photo...

 

[Henro]

TxDon,

That turned out quite nice in my opinion.

Good Job! Thanks for rememberinig to show us the finished project... /forums/images/graemlins/cool.gif

 

[BobG_in_VA]

Finally, a man after my own heart! Simple, effective, keeps you dry. That's what a lean-to does....without an architect's approval! BobG in VA

 

[Glenn9643]

Thanks for posting pictures of the finished project! Looks great from here.

 

[GerardC]

Looks to me like it will serve your purpose very well. I think it blends in nice with the shed too. Nice job. /forums/images/graemlins/smile.gif

 

[KiotiJohn]

I think it's great. Reminds me of some of the places that always made me want to get on a tractor and do something. You did a great job. I doubt many women would think it was anything but "on the verge of tacky," but then they ARE from Venus. John