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FOUNDATIONS
PRESSURE-PRESERVATIVE-TREATED
FLOOR JOIST FIELD-APPLIED 2 × 6 IN. TOP PLATE
FLASHING
2 × 6 IN. TOP PLATE
8 IN. MIN.
FINISH GRADE SLOPE / IN.
1
2
18 IN. MIN. PER FOOT, MIN. 6 FT. FROM
WALL
4 FT MAX.
6 MIL POLYETHYLENE FILM PRESSURE-PRESERVATIVE-
TREATED 2 × 6 IN. STUD WALL
PRESSURE-PRESERVATIVE-
TRATED PLYWOOD
(SEE TABLE R404.2.3)
PRESSURE-PRESERVATIVE-
TREATED 2 × 8 IN. BOTTOM PLATE
6IN.
PRESSURE-PRESERVTIVE-
TREATED 2 × 8 IN. FOOTING PLATE
4IN. 4IN. BELOW FROST LINE
6 IN. GRAVEL OR CRUSHED STONE
(SEE SECTION R403.2)
16 IN.
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mil = 0.0254 mm.
FIGURE R403.1(3)
PERMANENT WOOD FOUNDATION CRAWL SPACE SECTION
2018 INTERNATIONAL RESIDENTIAL CODE ® 97
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