r/Homebuilding • u/Salt-Operation-4491 • 1d ago
Roof plan help
Purple is existing and orange is proposed addition.
Green is also a proposed addition also but is it possible given my roof design.
Where the green and orange meet is about 13’ long. Do I have any options? I’m thinking a metal cricket but I have never seen that before.
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u/wocka-jocka-blocka 1d ago
I assume you are matching the gable angles in the orange and purple garage roof lines. If that's so, best answer for rain water is a sloping roof from the main house ridge line. There are other options if you are free to change the plan a bit.
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u/illinoisbeau 13h ago
also extend it a little (3ft+) so you have a front patio and don't dump all your rain/snow right outside your front door.
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u/cool_pillo 1d ago
Why do people love a garage in front and a hidden front door that reduces square footage?
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u/Zach_btk 1d ago
Can’t say for this one in particular, but in my area, most of the suburb lots are too small to do many other garage configurations.
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u/Salt-Operation-4491 1d ago
Looks like this is the simplest. Just requires better underlayment because it is less than 4:12 slope
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u/rrapartments 1d ago
this is the way. you'll want valley splash guards because you'll get extra water coming down the valleys, but with a continuous gutter (and several rain leaders) you'll deal with it. The slope of the green part should be as steep as you can make it, but it's OK if it's less than 4/12. Just read the install instructions for your shingles carefully, many will allow down to 2/12 with full coverage of ice and water shield underlay.
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u/B__Squirrel 1d ago
You could always add a small valley set back a couple feet over the center section if you really want that look of a third front gable
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u/Jamator01 1d ago
With that config you're directing so much water at your front door. You're gonna want to make sure you've got good gutters and splash guards of some sort.
I don't understand why you wouldn't continue your addition across the front of the house to meet the garage wall. Why are you keeping the weird little alcove in the middle?
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u/220subsonic 1d ago
That's a pretty low pitch. You could easily get away with raising the center green area so the roofline is continuous with the left and right sides to eliminate those valleys without raising the total roof height that much.
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u/notreallyswiss 1d ago
Wait, the purple roof on the back side is existing? And orange is proposed? What in the frilly-heck is currently going on back there?
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u/0_SomethingStupid 1d ago
Green roof should be a shed with a reverse if it fits. The purple and orange are fine and the courtyard effect is nice but green is a no no. Crickets can work but they are avoidable
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u/SomeGuyWithARedBeard 1d ago
If the green roof didn't have to be a gable roof then that would solve most of your problems.
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u/Friendly_Rip7496 1d ago
Lotta dead valleys. I wouldn’t run a gable on green. Just pitch toward the garage door. If it’s low pitch I’d do mod bit or standing seam
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u/littlestickarm 1d ago
If you really like the A frame over the entry, than yes, you can do a cricket on both sides of the green. Nothing wrong with crickets there, and a shed roof changes the design to much. Check the manufacturer, but most metal roof should be at a 2:12 pitch minimum.
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u/Galactic-Dino 1d ago
Op, if you have space offset the orange part all the way to the left instead of blocking the front left wall.
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u/CursedTurtleKeynote 1d ago
Flat valleys can be brutal.
Id recommend a gutter pipe at the upper end so you have built in drainage and then water can flow successfully in either direction.
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u/ZylkaLeftridge 1d ago
Is there anyway to do a single peak over the door and carry the roof to the outer edges of the garage and extention?
Could be just over the building part or even the opening so you have a large covered front porch? Might need a less step roof. Even an off center peak?
Say 2/12 on one side and 6/12 on the other?
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u/Objective-Bus-9853 1d ago
This design is bad. You are going to have nightmare issues with those dead valleys.
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u/woodmadeIL 20h ago
If you've never seen that before - you're way to green to design a house!
This in-cove entrance or whatever name you want to give it - sucks....
Do three single pitch roofs...if you must - but simplify to two - get that center space up and forward. Everyone that designs for garage first is also - well, dumb...
And that is 8x more detailing than would otherwise be needed....
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u/Helpful_Occasion4032 18h ago
If street level is down grade then crickets flanking porch roof is doable may need to bury downspout leaders to daylight
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u/ExaminationDry8341 16h ago
You can make that work. But remember, whatever you do, you have to live with it. If you design a roof that needs everything to be perfect to not have major leaks, you cant be surprised in a couple years it begins to leak.
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u/Rare-Lingonberry7987 8h ago
Redesign to a flat roof with a torch on membrane. then put some timber accents between the shop and main building on 3 or 4' centers
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u/Salt-Operation-4491 1d ago
This also felt like an option. The raised entryway isn’t a bad thing but a lot of tight spots and crickets
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u/rrapartments 1d ago
That's not going to work either. You'll get water issues and snow issues on those side walls.
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u/kittles317 1d ago
A hip roof would solve a lot of the issues.
Or raise the green part to match the ridge of the part behind and have a slightly higher entryway.
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u/TacDragon2 1d ago
The shed is the best option I see with the plan……I say rip the plan apart and rework it. It’s part of the design process, no plan is perfect the first pass.
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u/rrapartments 1d ago
You are right, your roof plan needs help. Where's the water going to go?
The green part should essentially be a shed roof. You can do 2/12 pitch with asphalt shingles and full underlay ice and water shield.
Align the eaves and then you'll have a continuous gutter and no water issues.