Help with creating roof for remodeled house

9472 Views 15 Replies 11 Participants Last post by Gombido, Jan 30, 2014

duffman1278

Discussion Starter · Jan 17, 2014

Hi Guys, I'm new here but I need help.

I'm planning to make an addition to my home. I'm drawing the floor plan, elevations, and roof plan on autocad but I'm stuck trying to figure out how to make the roof with this new edition. It seems like no matter what I come up with, it's not going to fit with the existing roof.

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1 - 16 of 16 Posts

ScipioAfricanus

· #2 · Jan 17, 2014

Could do this.

Andy.

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Reactions: 2

jlsconstruction

· #3 · Jan 17, 2014

ScipioAfricanus said:
Could do this. Andy.

That's what I would do

Reactions: 1

duffman1278

Discussion Starter · #4 · Jan 19, 2014

Thanks for the suggestion scipio! Ill give that a shot. Never seen a roof with that odd middle piece though

roofermann

· #5 · Jan 19, 2014

duffman1278 said:
Thanks for the suggestion scipio! Ill give that a shot. Never seen a roof with that odd middle piece though

If that "odd middle piece" has a less than 3 in 12 pitch, use a flat roofing system on it, not shingles. Good luck!:thumbsup:

Reactions: 1

hdavis

· #6 · Jan 19, 2014

duffman1278 said:
Thanks for the suggestion scipio! Ill give that a shot. Never seen a roof with that odd middle piece though

Blind valley - common in additions. The more slope, the better.

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Railman

· #7 · Jan 19, 2014

The only other way I see, would be to extend the addition roof plane, & also the existing big roof plane so that there would be two big planes with a common ridge. That ridge would be higher than any of the existing roof. From the front view, you would have a small hip (kinda like a Dutch hip) sticking above the main ridge. It would be way more expensive, but would be simple shingle system.

Scipio's method should work fine, but as mentioned, I'd raise the slope, do a membrane, & then shingle main last. The hard part would be getting the membrane up under the existing roof. If your redoing the adjacent shingles, it's not a problem.

Joe

Reactions: 1

TimelessQuality

· #8 · Jan 19, 2014 (Edited)

Andy's cricket... Getting I/W up under the existing was the most difficult part...

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roofermann

· #9 · Jan 19, 2014

TimelessQuality said:
Andy's cricket... Getting I/W up under the existing was the most difficult part...

View attachment 106478

Whats the pitch on that? Clean looking work.:thumbsup:

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TimelessQuality

· #10 · Jan 19, 2014

The gables were 4.5 and the cricket about 2.5...

roofermann

· #11 · Jan 19, 2014

That's about the limit for shingles, even with I+W. Unless you're in a zero snow area.:thumbsup:

AndyWRS

· #12 · Jan 19, 2014

duffman1278 said:
Thanks for the suggestion scipio! Ill give that a shot. Never seen a roof with that odd middle piece though

Very common around So Cal.

B.Scott

· #13 · Jan 19, 2014

That cricket design would be a nightmare here in the northeast.

I won't give any recommendations because there is too little info to go on.

Bob

slowsol

· #14 · Jan 19, 2014

The cricket shown would be a tough decision for me also. I'd at least run it up to the ridge of the lower gable. Try to get as much slope as possible.

Gombido

· #15 · Jan 30, 2014

You could raise the wall height at the addition which would pick up the roof line, marry the ridge heights or lift the new ridge above the existing and have a gable end that would be visible from the front. I did something similar. I dont recommend using any shingle on the cricket area. Suggest an APP or fluid applied system below 3/12

Gombido

· #16 · Jan 30, 2014

Railman said:
The only other way I see, would be to extend the addition roof plane, & also the existing big roof plane so that there would be two big planes with a common ridge. That ridge would be higher than any of the existing roof. From the front view, you would have a small hip (kinda like a Dutch hip) sticking above the main ridge. It would be way more expensive, but would be simple shingle system.

Scipio's method should work fine, but as mentioned, I'd raise the slope, do a membrane, & then shingle main last. The hard part would be getting the membrane up under the existing roof. If your redoing the adjacent shingles, it's not a problem.

Joe

Sorry Joe, I just read your post, basically said the same thing you did.

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