Master Flow® Foundation Vent ‑ Grate Style ‑ 500 Specs

      Master Flow® Foundation Vent ‑ Grate Style ‑ 500 Docs

      Master Flow® Foundation Vent ‑ Grate Style ‑ 500 Videos

      Easy
      Easy
      Positive open/close damper action
      Versatile
      Versatile
      Lintel for foundation block construction
      Great Protection
      Great Protection
      Helps prevent foundation decay and lowers risk of frozen pipes

      Where to buy

      Find a GAF distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.