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How to Install Wall Flashing Trims Video and Installation Guide

Compatible Systems:
  • The ClassicBond One Piece EPDM system is great for large or small flat roof areas and is normally bonded on to a timber deck in one piece so no joins!
    Find out more!

  • The ClassicBond Pro Fleece Reinforced EPDM system is a high-performance, reduced shrinkage system which is ideal for large overlay roofs due to rapid installation times.
    Find out more!

Step by Step Installation Guide

  1. Grind A Slot In The Wall

    Grind A Slot In The Wall

    Chase out a slot in the wall using a mortar chisel or angle grinder. (Wall trims or lead flashing should always be a minimum of 150mm from the roof deck.

  2. Trim Excess Rubber Membrane

    Trim Excess Rubber Membrane

    After fitting the rubber membrane (Follow Main Installation Guide) trim excess membrane using a sharp knife following the chase out in the wall.

  3. Cut Membrane At End Of Wall

    Cut Membrane At End Of Wall

    Cut the rubber membrane vertically or at an angle away from the corner using a sharp knife.

  4. Cut Elastoform Tape To Size

    Cut Elastoform Tape To Size

    Cut Elastofrom to size. The tape should be a minimum of 150mm wide and extend from the chase out on to the deck and along the roof a minimum of 75mm (3"). Standard size of tape required 225mm x 150mm per end

  5. Apply Rubber Primer

    Apply Rubber Primer

    Apply rubber primer and allow to dry.

  6. Install Elastoform Tape

    Install Elastoform Tape

    Install Elastoform Tape starting at the top of the wall.

  7. Mold Elastoform Tape Into Position

    Mold Elastoform Tape Into Position

    Mold Elastoform tape in to position by stretching the tape where necessary. TIP: Keep the tape in a warm place prior to use this will help its formability.

  8. Apply Pressure To Elastoform Tape

    Apply Pressure To Elastoform Tape

    Apply pressure to Elastoform tape using silicon seam roller and penny roller.

  9. Install Wall Trim

    Install Wall Trim

    Install wall trim in to the slot. Additional wall trims should be overlapped by a minimum of 75mm (3").

  10. Drill Wall Trim

    Drill Wall Trim

    Drill wall trim and wall with a 7mm masonry drill.

  11. Insert Raw Plug

    Insert Raw Plug

    Insert raw plug in to the hole.

  12. Screw In Fastener

    Screw In Fastener

    Screw in perimeter fastener using hex bit and drill. 3 fasteners are provided with each wall trim. Install one at each end and one in the middle.

  13. Apply Lap Sealant to Wall Trim

    Apply Lap Sealant to Wall Trim

    Apply Lap Sealant to Wall Trim.

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