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      Master Flow® Power Attic Vent ERV4HT ‑ Roof Mount Specs

      Master Flow® Power Attic Vent ERV4HT ‑ Roof Mount Docs

      Master Flow® Power Attic Vent ERV4HT ‑ Roof Mount Videos

      Great Protection
      GREAT PROTECTION
      Repels moisture, acid rain, and de-icing chemicals from your vertical exterior masonry surfaces
      Retains Natural Appearance
      RETAINS NATURAL APPEARANCE
      Clear coat creates no visible blaze, gloss, or sheen
      Easy to Use
      EASY TO USE
      No mixing or special equipment needed and can be used on brick, stucco, stone, or concrete

      Where to buy

      Find a GAF distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.