Page 248 - Masonry and Concrete
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Footings, Foundation Walls, Basements, and Slabs
                                                                                           247
                                          FOOTINGS, FOUNDATION WALLS, BASEMENTS, AND SLABS
















                                        TOP COURSE OF
                                        BLOCK SOLIDLY
                                        GROUTED









                DAMPROOFING


                                                                   ABS OR PVC
                                                                   PIPE CAPPED
                                                                   FOR FUTURE
                                                                      VENT
                                       URETHANE OR SILICONE CAULK
              COVED CORNER
                  WITH
              DAMPPROOFING






                                                    6 MIL POLYETHYLENE OR
                                                    3 MIL CROSS-LAMINATED
                                 4" GRAVEL
                                 DRAINAGE           POLYETHYLENE, LAPPED
                                                    12" AT SEAMS


                                                                  FIGURE 6-51
            Radon protection. (from NCMA TEK 6-15, National Concrete Masonry Association, Hern-
            don, VA).







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