Moisture Standards Grid – Concrete Subfloor

1 Flooring Installation Moisture Standards CONFIDENTIAL and PROPRIETARY 1 Moisture Standards grid Concrete Subfloor ON / ABOVE GRADEON / ABOVE GRADEBELOW GRADEBELOW GRADELess Than 6% Moisture 6% or Greater Moisture Less Than 6% Moisture 6% or Greater Moisture Wood - Glue Down (Engineered) THD Recommended Adhesive Roberts 1530 orBostik Super-GripRoberts 1530 orBostik Super-GripDRIcore & Option 0166 Adhesive / Underlayment ManufacturerWood - Glue Down (Solid) THD Recommended Adhesive Roberts 1530 orBostik Super-GripDRIcore & Option 0166 DRIcore & Option 0166 Adhesive / Underlayment ManufacturerWood - Nail Down (Engineered / Solid) DRIcore & Option 0166 DRIcore & Option 0166 DRIcore & Option 0166 DRIcore & Option 0166 Underlayment ManufacturerWood - Floating (Engineered / Laminate)3 in 1 orQEP 6 Mil Poly for Products w/ Built-In Underlayment3 in 1 & QEP 6 Mil Poly orQEP 6 Mil Poly for Products w/ Built-In Underlayment3 in 1 & QEP 6 Mil Poly orQEP 6 Mil Poly for Products w/ Built-In UnderlaymentDRIcore & 2 in 1 or DRIcore Only for Products with Built-In UnderlaymentorRedgard & 2 in 1 or Redgard Only for Products with Built-In UnderlaymentUnderlayment ManufacturerTileStd setStd setStd SetStd SetAdhesive ManufacturerVinyl SheetTHD Recommended Adhesive THD Recommended Adhesive THD Recommended Adhesive THD Recommended Adhesive Adhesive ManufacturerVinyl Tile - Self Adhesive(Ceramica / Groutable)

2 Primer DRIcore & Primer Primer DRIcore & Primer Underlayment ManufacturerVinyl Tile - Self Adhesive(DIY Peel & Stick) THD Does Not InstallTHD Does Not InstallTHD Does Not InstallTHD Does Not InstallTHD Does Not InstallVinyl Tile - Glue Down(VCT / CeraRoma)THD Recommended Adhesive THD Recommended Adhesive THD Recommended Adhesive THD Recommended Adhesive Adhesive ManufacturerVinyl Plank - Click Lock(Allure Ultra)QEP 6 Mil PolyQEP 6 Mil PolyQEP 6 Mil PolyDRIcoreUnderlayment ManufacturerVinyl Plank - Self Adhesive Edge(Allure Grip-Strip)QEP 6 Mil PolyQEP 6 Mil PolyQEP 6 Mil PolyDRIcoreUnderlayment ManufacturerPRODUCTCONCRETE SUBFLOORWARRANTY ON HIGH Moisture JOBSMOISTURE Standards * * Moisture Standards are national guidelines and apply to all markets, except the following which follow high Moisture level guidelines: (FL & LA Mkts.)

3 2,3,4,5,14,18,25,28,50,60,102,344,465,47 1) Moisture Percentages are based on Tramex Moisture Meter Readings Refer to HDMS for THD Recommended Adhesives by category 3-in -1 can be substituted with 2-in -1 and QEP 6 Mil Poly or Black Jack and 6 Mil Poly Flooring Installation Moisture Standards CONFIDENTIAL and PROPRIETARY 2 Moisture Standards grid Wood Subfloor Less Than 14% Moisture 14% or Greater Moisture Wood - Glue Down (Engineered) THD Recommended Adhesive Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformWood - Glue Down (Solid) THD Recommended Adhesive Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformWood - Nail Down (Engineered / Solid) Aquabar (where available) or Felt Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformWood - Floating (Engineered / Laminate)3 in 1 Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformTileWonderboardDo Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformVinyl SheetTHD Recommended Adhesive Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformVinyl Tile - Self Adhesive(Ceramica / Groutable)Primer Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformVinyl Tile - Self Adhesive(DIY Peel & Stick) THD Does Not InstallTHD Does Not InstallTHD Does Not InstallVinyl Tile - Glue Down(VCT / CeraRoma)

4 THD Recommended Adhesive Do Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformVinyl Plank - Click Lock(Allure Ultra)No UnderlaymentDo Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformVinyl Plank - Self Adhesive Edge(Allure Grip-Strip)No UnderlaymentDo Not Install - Customer Must Address Underlying IssueN/A - Will Not PerformMOISTURE Standards *PRODUCTWARRANTY ON HIGH Moisture JOBSON / ABOVE / BELOW GRADEWOOD Subfloor Moisture Percentages are based on Tramex Moisture Meter Readings Additional acclimation needed for more than 4% difference in product and Subfloor Refer to HDMS for THD Recommended Adhesives by category 3-in -1 can be substituted with 2-in -1 and QEP 6 Mil Poly or Black Jack and 6 Mil Poly