Backing Sheets Backing Sheets 2013-04-01T18:58:44+00:00 2016-11-28T23:37:05+00:00 fruition Home › Backing Sheets Specifications Thickness Click link to view more. B20 (.020) B28 (.028) B37 (.038) Additional Notes Available in brown or black. Additional Notes Available in brown or black. Questions? 800.936.7378 Call us or email us by following the link below. Contact Us Now!