jholmes
Joined: 23 Mar 2006
Posts: 80
Location: Eagan, MN
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 Posted: Thu Jul 20, 2006 2:35 pm Post subject: Pressure Treated Wood is required... |
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I think it depends on your local building code. Though, in general, any wood that touchs the foundation or comes within a certain distance of the ground needs to be pressure treated or decay resistant species/type. Additionally, some structural members need to be a certain grade of pressure treatment. You can find this out in your local codes, or by calling a building inspector. Here is the WI code on where it's required:
(a) Embedded in earth.
(b) Floor joists that span directly over and within 18 inches of
earth.
(c) Girders that span directly over and within 12 inches of
earth.
(d) Sills and rim joists that rest on concrete or masonry and are
within 8 inches above exterior grade.
(e) Siding within 6 inches of earth.
(f) Ends of wood structural members built into masonry or
concrete walls and having clearances of less than 1/2 inch on the
top, sides and ends.
(g) Bottom plates of load bearing walls on slab floors in basements
or garages.
(h) Bottom plates of garage walls that rest on concrete or
masonry and are within 8 inches of exterior grade.
(i) Columns in direct contact with concrete or masonry unless
supported by a structural pedestal or plinth block at least 3 inches
above the floor.
(j) Any structural part of an outdoor deck, including the decking.
This should get you started!  |
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