Henry | sku: 100551687 Henry 549 7 Lbs. Feather Finish Patch And Skimcoat The Henry 7 lbs. Underlayment Patch and Skimcoat is a Portland cement-based floor Patch and Skimcoat. It may be applied over most surfaces for a smooth finish before installation of permanent flooring. Installs from feather edge to any depth.For patching... Log in for pricing