Standard Aluminum Breather

  • Furnish and install Portals Plus Standard Aluminum Breather as manufactured by Portals Plus, Inc., Grand Rapids, MI at aspacing of one per 1000 square feet. 
  • The Aluminum Breather shall be made of .050 spun aluminum with a base flange diameter of 12" and a height of no less than 9".
  • The stand pipe will have a 4.25" base opening and a 2.75" counter flashing rain cap that will be a locking, vandal proof type.