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Square Base Retrofit Flashing - Red Silicone


  • simple solution to flashing a penetration through a metal roof that requires a wrap-around installation
  • wraps easily around existing or hard to reach penetrations
  • has clearly marked diameters on each flashing
  • marked dimensions also allow for easy sizing to fit each individual application
  • makes installation simple by using easily installed snap rivets; a cable tie is also supplied to reinforce the seal
  • snaps together in seconds and does not require any special tools or accessories
  • the aluminum base on the upper lip is corrosion resistant and allows the flashing to conform to any panel configuration and/or roof pitch
  • available in EPDM or orange silicone, both flexible materials, and both resistant to ultraviolet rays, cracking & weathering

    Item # Description/Size Availability Qty Break Price Quantity
    #1 Retrofit Square Base Flashing, Silicone | Fits Pipe Sizes 1/2" to 4"
    In Stock 1 $28.85
    #2 Retrofit Square Base Flashing, Silicone | Fits Pipe Sizes 4" to 9 1/4"
    In Stock 1 $69.47
    #3 Retrofit Square Base Flashing, Silicone | Fits Sizes 9 1/4" to 16 1/4"
    In Stock 1 $99.64
    Test Type
    Advance ozone resistance test @ 500 pphm 70 Hours 70 Hours
    High Temperature:
    Low Temperature:
    Resistance tested to-
    Tensile strength-
    1,450 psi
    700 psi

    1. Choose the appropriate size. If necessary trip the opening to to about 20% smaller than the pipe diameter.
    2. Wrap the retrofit around the pipe and install all snap rivets to seal the flange.
    3. Press the flashing down, bending it to conform to the roof profile or roof irregularities. A blunt tool will help press the flashing into tight roof angles.
    4. Apply a silicone sealant between the flashing base & the roof.
    5. Use fasteners to complete sealing. For UPC installation, fastener spacing may not exceed 1½".
    6. Install the supplied cable tie at the upper-most part of the flashing & apply sealant to any gaps.
    Size Pipe Size Base Size Opening Diameter Material Part #
    1 1/2" to 4" 8 1/4" 1/2" Red Silicone MBARF102RS
    2 4" to 9 1/4" 14 1/4 " 4" Red Silicone MBARF202RS
    3 9 1/4" to 16 1/4" 21 1/2" 9 1/2" Red Silicone MBARF302RS

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