Repair Method for EPDM Rubber
This Universal Repair Method can be used on:
Sheet Rubber – Metal – Automotive
Vinyl Masonry – Fiberglass – Fish Ponds
Fountains – Thermoplastic Membrane
SEALING JOINTS, SEAMS, OVERLAPS AND TEARS
Metal, Fiberglass, and Masonry
Use a wire brush or sandpaper to clean surface and create a slightly rough surface. Then wipe with paint thinner. Rubber and Thermoplastic Membrane Remove surface chalk by wiping repeatedly with rag wet with paint thinner.
• Center the Butyl Tape over the seam and press onto surface with a solid roller.
• Do not remove release film until ready to apply Fabric.
• Remove a section of the release film and center the rolled Fabric over Tape and press onto Tape.
• Alternately remove more film and roll out Fabric until all Tape is covered.
• Use roller to firmly embed Fabric to Tape.
• If Fabric begins to go off center cut it and realign.
• Topcoat the reinforced Tape with Liquid Roof® or EPDM Liquid Rubber® plus 2 inches beyond to complete the repair.
THIS PROCEDURE PRODUCES A SEAMLESS, WEATHER AND WATERPROOF REPAIR.
USING BUTYL TAPE AS AN ADHESIVE
• Clean substrate and underside of part with paint thinner.
• If surface temperature is cold heat with a hair dryer until barely warm to the touch.
• Cut Butyl Tape to approximate size of part and lay it on a flat surface with the sticky side up.
• Press part onto Tape and trim excess with scissors.
• Remove release film.
• Lay part into place starting at one side to avoid trapping air bubbles and press onto surface for better adhesion.
TO REATTACH A TEAR IN A MEMBRANE:
• Cut convenient size pieces of Tape and slide under loose membrane with release film attached.
• Start at one end and successively remove the release film while gently pressing membrane onto tape.
• Roll surface for better adhesion.
HELPFUL TIPS FOR HANDLING BUTYL TAPE
*Scissors are best for cutting Butyl Tape
*Always cut Tape with release film attached
*Wet the blades with paint thinner to prevent Tape from sticking
*Wet fingers with paint thinner when handling Tape without release film attached to prevent sticking
*Use needle nose pliers to remove release film when working in confined spaces
*Use a wooden or metal roller to press tape to surface for better adhesion *Tape can be overlapped to cover a wider area
*Always reinforce Tape with Fabric to eliminate stretch