A simple solution for musty damp basements is Ames Blue Max Liquid Rubber Sealant.
Ames Maximum Stretch - Waterproof Sealant Membrane - Perfect For Roofing, Repairs, Concrete, EPDM & Wood - Liquid Rubber Sealer - Up To 650% Elastic - Made in USA, White, 4.6
Waterproofing Metal Buildings
Ames Blue Max Waterproofing Liquid Rubber Coating 5-Gal (TROWEL GRADE) – Conspec Materials, LLC
Ames Blue Max 1 Gal. Basement Waterproofing Sealer Regular Grade BMX1RG - The Home Depot
Thompson's Tinted Waterseal Waterproofing Stain
Ames Blue Max DIY Basement Waterproofing
Flex Seal Family Of Products Flex Seal Clear Liquid Rubber Sealant Coating 1 Gal : Target
Blue Max Vs. Drylok Waterproofing Sealer: Which One To Pick?
Ames'® Blue Max ~ Water based Liquid Rubber Sealant - Ames Research Laboratories, Inc.
Ames Blue Max Liquid Rubber Waterproofer - The DIY Waterproofing Fix!
Is Ames® Blue Max® non-permeable?