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Square Base Flashing - Black EPDM

  • simple solution to flashing a penetration through a metal roof
  • has clearly marked diameters on each flashing
  • marked dimensions also allow for easy sizing to fit each individual application
  • 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
    MBAMB0001
    Mini Square Base Flashing, Black EPDM | Fits Pipe Sizes 1/8" to ¾"
    In Stock 1 $5.59
    MBAMB0010
    #1 Square Base Flashing, Black EPDM | Fits Pipe Sizes ¼" to 2¾"
    In Stock 1 $4.85
    MBAMB0020
    #2 Square Base Flashing, Black EPDM | Fits Pipe Sizes 7/8" to 4"
    In Stock 1 $6.67
    MBAMB0030
    #3 Square Base Flashing, Black EPDM | Fits Pipe Sizes ¼" to 5¾"
    In Stock 1 $7.64
    MBAMB0040
    #4 Square Base Flashing, Black EPDM | Fits Pipe Sizes 2¾" to 7"
    In Stock 1 $12.33
    MBAMB0050
    #5 Square Base Flashing, Black EPDM | Fits Pipe Sizes 4" to 8¼"
    In Stock 1 $13.50
    MBAMB0060
    #6 Square Base Flashing, Black EPDM | Fits Pipe Sizes 4¾" to 10"
    In Stock 1 $15.60
    MBAMB0070
    #7 Square Base Flashing, Black EPDM | Fits Pipe Sizes 5½" to 11½"
    In Stock 1 $22.13
    MBAMB0080
    #8 Square Base Flashing, Black EPDM | Fits Pipe Sizes 6¾" to 13½"
    In Stock 1 $29.55
    MBAMB0090
    #9 Square Base Flashing, Black EPDM | Fits Pipe Sizes 9½" to 20½"
    In Stock 1 $48.25
    MBAMB0095
    #10 Square Base Flashing, Black EPDM | Fits Pipe Sizes 12" to 28½"
    In Stock 1 $94.32


    1. Trim opening to 20% smaller than the pipe diameter.
    2. Slide down over the pipe.
    3. Apply urethane/silicone sealant between the flashing & the roof.
    4. Press down, bending the flashing to fit irregularities. Use a large-slot screwdriver to press into tight angles.
    5. Use fasteners to finish sealing.
    Test Type EPDM Silicone
    Advance ozone resistance test @ 500 pphm 70 Hours 70 Hours
    High Temperature:Intermittent-Continuous- +275ºF+212ºF +500ºF+437ºF
    Low Temperature:Resistance tested to-Tensile strength- -65ºF1,450 psi -100ºF700 psi

    Size Pipe Size Base Size Opening Diameter Material
    Mini 1/8" to ¾" 2¼" Closed Black EPDM
    1 ¼" to 2¾" 4½" Closed Black EPDM
    2 7/8" to 4" 6 " 7/8" Black EPDM
    3 ¼" to 5¾" 8" Closed Black EPDM
    4 2¾" to 7" 10" 2¾" Black EPDM
    5 4" to 8¼" 11" 4" Black EPDM
    6 4¾" to 10" 12" 4¾" Black EPDM
    7 5½" to 11½" 14" 5½" Black EPDM
    8 6¾" to 13½" 17" 6¾" Black EPDM
    9 9½" to 20½" 25" 9½" Black EPDM
    10 12" to 28½" 34" 12" Black EPDM

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