About Master Flow™ Roof Louver SSB960 Metal Slant‑Back

  • Allows heat and moisture to escape the attic on roofs with limited ridge line or when replacing existing roof louvers.
  • Slant-back design offers strong protection against weather infiltration, especially on steep-slope applications.
  • Available with an optional internal Weather & Ember-Resistant Screen1 (select models)
  • Model with internal screen meets the prescriptive requirements of Chapter 7A- Materials and Construction Methods for Exterior Wildfire Exposure of the California Building Code, 2022 edition.1
  • Available in aluminum or galvanized construction
  • 60 sq. in. of NFA per vent (38,710 sq mm) helps provide 20% more venting capacity (vs. typical 50 sq. in. NFA vents [32,258 sq. mm])
  • Passes the 110 mph wind-driven rain test per TAS 100(A)2
  • Popular colors to complement your finished roof (see chart below)
  • Eligible for coverage under GAF enhanced warranties when installed by a contractor certified by GAF in connection with a qualifying roofing system 3

1 Always check with the authority having jurisdiction for approval before use.

2 Under controlled laboratory testing.

See GAF System Plus, Silver Pledge, and Golden Pledge Limited Warranties for complete coverage and restrictions. When not eligible for coverage under GAF enhanced warranties, see Master Flow Ventilation Products Limited Warranty, Master Flow Powered Ventilation Products Limited Warranty or Master Flow Wifi Attic Vent Limited Warranty (depending on product) for complete coverage and restrictions.