Architecture/draftstopping

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Question
I am designing a house with a storage room over a garage. we submitted the plans to the Building department, and we receive comment about "Draftstopping". where do I need draftstopping? the garage walls are 8" masonry block and the roof over garage is gable with 10:12 pitch that creates the storage space.

Thanks.

Answer
Carlos,

Most likely the draftstop needs to be located above and in line with the fire-rated wall that separates the habitable living areas from the garage (and attic storage).

The construction type of the walls is irrelevant.

The pitch of the roof is irrelevant.

Gable versus hip roof is irrelevant.

The fact that you will have storage located over the garage is irrelevant.

If you could e-mail to me the lower level and upper level floor plans along with a building section, then I could give you a better answer.


Is the attic space above the garage more than 3,000 S.F.?  Unlikely.

rich@arrow-architecture.com

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Richard Burton AIA

Expertise

A combined total of 25 years experience with construction, architecture, and building code enforcement. Ask me about residential and commercial design. Ask me about design aesthetics, structural methods, and building something that will withstand severe weather conditions. Ask me my opinion about YOUR design ideas and I will tell you the merits of good design and challenge your thinking about practical issues. Ask me how to best find and work with your local architect and approach general contractors to get the most value for the least amount of headaches. You can ask me about improving your energy efficiency and things that are both green and practical. But don't ask me about solar panels and wind turbines unless you are currently paying your utility company 35 cents per Kilowatt. Otherwise the math does not justify the initial cost and return on investment. Ask me any building code question and how to get a building permit from the most difficult enforcement agencies.

Experience

Here in the midwest, we design and build "green" in ways that make sense. My construction methods prioritize weather resistance, ease of maintenance and durability. While a graduate student in San Diego, I taught drafting and history of architecture. After working ten years for other architecture firms, I have started my firm Arrow Architecture in 2008. More than half of my work involves commercial office buildings. But my portfolio of work also includes custom homes, residential additions, home remodels, and second story additions.

Organizations
President-Elect of American Institute of Architects - Lincoln, NE

Education/Credentials
B.S. Architecture - (Interior Design) University of Nebraska Lincoln 1997 Master of Architecture - (Urban Design and Professional Practice) NewSchool of Architecture - San Diego 2004 Graduated Summa Cum Laude ICC Certified Building Plans Examiner

Awards and Honors
AIA Henry Adams Medal and Certificate

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