I know you dearly love your Burton products, good sir.Burton Bindings excel in highback adjustment and rotation, canting, fit, manufacture quality, warranty, performance and customer service however this is the one draw back with they have over others like Union etc. The best and simplest way to address this is by making some templates and cutting out some thin adhesive backed felt protection pads and sticking them to the base of the binding. This does not change the binding performance and response any way and 100% protects the topsheet from the marks you have made.
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This adds a layer between the binding and the topsheet and will protect your board from damage. You can buy this cheap at Aldi when it comes on sale or go to Bunnings (sold in sheet as well as shaped pieces).
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Create some templates by tracing the binding and customising it to the underside of the baseplate. You need to bring felt around from the frame to the underside of the gas pedal area otherwise there will be a 2mm approx gap here
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Cut the felt with scissors and use a scalpel cutter to remove the EST binding screw slot area. With Re-Flex you do not have to worry about this area.
But all that effort for not damaging your top sheet from simply mounting bindings is not for everyone.
Glad we both agree on [ak] though. I just cannot get on with Burton boards & bindings.