Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 05-16-2013, 11:10 AM   #1
Newbie
 
Join Date: May 2013
Posts: 6
Share |
Default

Shed roof pitch question


Hi - I'm new to shed building, and I'm building a 9x12 storage shed with a shed roof. Roof will be metal on top of 5/8 plywood. Rafters are 2x8, spaced 12" oc. Ridge plate and lower plates are 4x6 doug fir. The ridge and lower plates run along the 12foot side of the shed. The shed will be in central WA, where we can get up to 2+ feet of snow (not usually very high water content) at a time on occasion. The shed is positioned so any snow can slough off safely.

My question is regarding roof pitch. Can I get away with a 4/12 pitch (actually 4.25/12)? As the project stands now, I can attain a 5/12 pitch but this would require some deconstruction and reconstruction.

Thanks for your help!


Last edited by Kevin P.; 05-17-2013 at 10:36 AM. Reason: clarification
Kevin P. is offline   Reply With Quote
Old 05-16-2013, 06:50 PM   #2
Member
 
GBrackins's Avatar
 
Join Date: Apr 2012
Location: Fairhaven, Massachusetts
Posts: 2,798
Default

Shed roof pitch question


Welcome to the Forum!

the more the pitch the better for removal of snow ..... can I ask why 9', gonna waste some building materials that way

__________________
Gary

"You get what you pay for, and sometimes free costs more!"
GBrackins is online now   Reply With Quote
Old 05-16-2013, 09:28 PM   #3
Member
 
Msradell's Avatar
 
Join Date: Sep 2011
Location: Louisville Kentucky
Posts: 1,047
Default

Shed roof pitch question


What you have should be fine, especially since you're using metal roofing, which has a low coefficient of friction. But as GB said, the more slope, the better, especially in areas where you get that much snow.
Msradell is online now   Reply With Quote
The Following User Says Thank You to Msradell For This Useful Post:
Kevin P. (05-17-2013)
Old 05-17-2013, 08:07 AM   #4
Member
 
Join Date: Jan 2009
Location: WV
Posts: 2,856
Default

Shed roof pitch question


Well, 2-5 feet of snow over a whole winter isn't that much unless it all falls in a couple of days. Where I live (Eastern WV) we can get that much or more over a winter, but it's seldom more than 6-8 inches at a time. That said, about three years ago we had 5 feet during a single 3-day storm. We're in a rural mountain area, and were snowed in for 6 days. And believe it or not, though our log home has a 12/12 pitch metal roof, the entire 5 feet of snow stayed on the roof for a couple of days. Closest I've ever been to an avalanche was when it came down all at once.
md2lgyk is offline   Reply With Quote
Old 05-17-2013, 10:19 AM   #5
Newbie
 
Join Date: May 2013
Posts: 6
Default

Shed roof pitch question


[QUOTE can I ask why 9', gonna waste some building materials that way[/QUOTE]

I am putting the shed on a pre-existing 10x12 concrete pad, and wanted to maximize my space without needing a building permit (under 120sq ft).
Kevin P. is offline   Reply With Quote
Old 05-17-2013, 10:21 AM   #6
Member
 
GBrackins's Avatar
 
Join Date: Apr 2012
Location: Fairhaven, Massachusetts
Posts: 2,798
Default

Shed roof pitch question


ok .... do you know what building code you are under? where are you located?
__________________
Gary

"You get what you pay for, and sometimes free costs more!"
GBrackins is online now   Reply With Quote
Old 05-17-2013, 10:23 AM   #7
Newbie
 
Join Date: May 2013
Posts: 6
Default

Shed roof pitch question


We can get up to 2+ feet at at time on occasion, with more likely scenarios being 8-12 inches, several times a week during storm cycles. Our cabin held 30 inches during a 2 week cold snap last year.
Kevin P. is offline   Reply With Quote
Old 05-17-2013, 10:25 AM   #8
Newbie
 
Join Date: May 2013
Posts: 6
Default

Shed roof pitch question


We're in central Washington.

Last edited by Kevin P.; 05-18-2013 at 07:58 AM.
Kevin P. is offline   Reply With Quote
Old 05-17-2013, 10:44 AM   #9
Member
 
GBrackins's Avatar
 
Join Date: Apr 2012
Location: Fairhaven, Massachusetts
Posts: 2,798
Default

Shed roof pitch question


I ask because the State of Washington uses the 2009 International Residential Code, see link https://fortress.wa.gov/ga/apps/sbcc/Page.aspx?nid=14

here is a link to the 2009 IRC http://publicecodes.cyberregs.com/ic...9_1_sec007.htm

Section R105.2 of the 2009 IRC exempts the following from permits:

R105.2 Work exempt from permit. Permits shall not be required for the following. Exemption from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction.

Building:


1. One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 200 square feet (18.58 m2).

2. Fences not over 6 feet (1829 mm) high.

3. Retaining walls that are not over 4 feet (1219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.

4. Water tanks supported directly upon grade if the capacity does not exceed 5,000 gallons (18 927 L) and the ratio of height to diameter or width does not exceed 2 to 1.

5. Sidewalks and driveways.

6. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.

7. Prefabricated swimming pools that are less than 24 inches (610 mm) deep.

8. Swings and other playground equipment.

9. Window awnings supported by an exterior wall which do not project more than 54 inches (1372 mm) from the exterior wall and do not require additional support.

10. Decks not exceeding 200 square feet (18.58 m2) in area, that are not more than 30 inches (762 mm) above grade at any point, are not attached to a dwelling and do not serve the exit door required by Section R311.4.

have you discussed this with the building official? it is possible that Washington State allows local modification. Worth a call as every square foot in a shed is important. Even if they require a permit for 120 s.f. might be worth it.

oh a side note, exempting a building permit does not exempt any other permit such as wetlands, board of health, etc.

just my humble thoughts ....
__________________
Gary

"You get what you pay for, and sometimes free costs more!"
GBrackins is online now   Reply With Quote
Old 05-17-2013, 11:36 AM   #10
Newbie
 
Join Date: May 2013
Posts: 6
Default

Shed roof pitch question


Thanks for the info, Gary.

Last edited by Kevin P.; 05-18-2013 at 07:59 AM.
Kevin P. is offline   Reply With Quote
Old 05-17-2013, 11:52 AM   #11
Member
 
GBrackins's Avatar
 
Join Date: Apr 2012
Location: Fairhaven, Massachusetts
Posts: 2,798
Default

Shed roof pitch question


they could be, some states have a state building code but local jurisdictions are allowed to modify it ...... what's the cost of a permit? doubt it should be much
__________________
Gary

"You get what you pay for, and sometimes free costs more!"
GBrackins is online now   Reply With Quote
Old 05-17-2013, 04:39 PM   #12
Roofmaster
 
Join Date: Oct 2012
Location: Maryland
Posts: 3,423
Default

Shed roof pitch question


Quote:
Originally Posted by Kevin P. View Post
Thanks for the info, Gary. I agree with the info you posted, but I was specifically told by the County building department that I would need a permit for anything 120sq feet or greater. I wonder if Rural Residential codes are different?
Its about money. Did they tell you you needed a permit to brush your teeth? Oh, and I hope you did not use toilet paper without one, thats a definite No No.
__________________
" A lot of men build things, and a lot of things fall down "

jagans is offline   Reply With Quote
Old 05-17-2013, 08:12 PM   #13
Newbie
 
Join Date: May 2013
Posts: 6
Default

Shed roof pitch question


Ok...I'll bite, since it looks like my original post is getting hijacked - and it only took 24 hours!

I posted on this forum to get some advice from folks who don't mind sharing their experience, expertise, and knowledge of Building and Construction - not to get social commentary on why local governments collect fees.

Maybe a real "roofmaster" will have an on-topic answer to my newbie building question?


Last edited by Kevin P.; 05-18-2013 at 07:05 AM. Reason: clarification
Kevin P. is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Best material for a 3:12 pitch roof extension? Nittany Roofing/Siding 7 05-31-2012 02:34 PM
Putting a new flat roof on a 3600 sf home Jean3 Off Topic 2 04-09-2010 12:35 AM
Shed Roof Truss Question Gravel7 Carpentry 1 10-08-2009 06:13 AM
Flat roof questions, advice, ballpark estimate JerryH Roofing/Siding 18 11-07-2008 04:08 PM
Building Roof over Roof, changing pitch Thomas O Roofing/Siding 7 03-05-2008 09:51 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.