Brandon Whitmore Posted July 28, 2010 Report Share Posted July 28, 2010 Can someone point me to the code requiring a garage slab to slope to the exterior. I can't find my book, and am in a hurry (IRC- new construction). Thanks..... Quote Link to comment Share on other sites More sharing options...
Marc Posted July 29, 2010 Report Share Posted July 29, 2010 R401.3 Drainage. Surface drainage shall be diverted to a storm sewer conveyance or other approved point of collection so as to not create a hazard. Lots shall be graded to drain surface water away from foundation walls. The grade shall fall a minimumof 6 inches (152 mm)within the first 10 feet (3048 mm). Exception: Where lot lines, walls, slopes or other physical barriers prohibit 6 inches (152 mm) of fall within 10 feet (3048 mm), the final grade shall slope away from the foundation at a minimum slope of 5 percent and the water shall be directed to drains or swales to ensure drainage away from the structure.Swales shall be sloped a minimum of 2 percent when located within 10 feet (3048 mm) of the building foundation. Impervious surfaces within 10 feet (3048 mm) of the building foundation shall be sloped a minimum of 2 percent away from the building. Marc Quote Link to comment Share on other sites More sharing options...
Tom Corrigan Posted July 29, 2010 Report Share Posted July 29, 2010 From the 2000 IRC, R309.3 Floor surface. Garage floor surfaces shall be of approved noncombustible material. The area of floor used for parking of automobiles or other vehicles shall be sloped to facilitate the movement of liquids to a drain or toward the main vehicle entry doorway. Tom Corrigan Quote Link to comment Share on other sites More sharing options...
Phillip Posted July 29, 2010 Report Share Posted July 29, 2010 2006 IRC R309.3 Floor surface. Garage floor surfaces shall be of approved noncombustible material. The area of floor used for parking of automobiles or other vehicles shall be sloped to facilitate the movement of liquids to a drain or toward the main vehicle entry doorway. Quote Link to comment Share on other sites More sharing options...
Brandon Whitmore Posted July 29, 2010 Author Report Share Posted July 29, 2010 Thank you gentlemen. My wireless router took a dive, and I couldn't find my book, since I don't use it much any more. Unfortunately for all of you, I'm back on- line..[:-tong2] The house I inspected yesterday had a slab floor in the garage, with crawlspace below (wood framed structure). The slab sloped back in towards the house. (oops). I can't wait to see how they will correct this one. Besides the garage slab floor issue, the entire roof is going to be ripped off and replaced. Bummer. Quote Link to comment Share on other sites More sharing options...
John Kogel Posted July 29, 2010 Report Share Posted July 29, 2010 crawlspace below (wood framed structure). The slab sloped back in towards the house. (oops). I can't wait to see how they will correct this one. They may be able to install a drain at the back of the garage? BTW, I'm told garage floor drains are the only way to go out on the prairies. Prevents the door from freezing to the slab. Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted July 29, 2010 Report Share Posted July 29, 2010 That's a good point John. After the first big freeze every year, we spend about a week fixing broken garage doors and openers. Tom Quote Link to comment Share on other sites More sharing options...
Brandon Whitmore Posted July 29, 2010 Author Report Share Posted July 29, 2010 I've never heard of the freezing issue before, of course, it doesn't freeze around these parts much. I've heard that door contractors stock up on springs during cold weather though.... Quote Link to comment Share on other sites More sharing options...
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