
Flip the rubber over. Using a plank as a template center it over the Crub. With a 1/8" drill bit mark the Crub for new holes. If the rubber is sagging in the middle as they usually do, make sure to align the plank and rubber as you mark the pilot holes. Notice the bottom ledge missing off the plank. We also have a fix for that.

Using a 1" wood (paddle) bit drill the pilot holes 1/4" deep. With a 5/8" paddle bit drill through the rubber to receive the rivets. The reason for a 5/8" bit is to allow for error while marking the pilot holes. Finished rubber.

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