R-Values of Different Flooring Materials

R-Values of Different Flooring Materials. These numbers will vary from material to material.

 

R-Values of Flooring Materials 

Material Typical R-Value R-Value Per Inch Typical Thickness
Plywood 0.825 1.10 0.750
Plywood Underlayment 1/4 0.275 1.10 0.250
Softwood 0.825 1.10 0.750
Sheet Vinyl 0.200 1.60 0.125
Vinyl Composition Tile (VCT) 0.200 1.60 0.125
Linoleum 0.400 1.60 0.250
Dense Rubber Flooring 0.250 1.30 0.325
Recycled Rubber Flooring 1.100 2.20 0.500
Cork 1.125 3.00 0.375
Cork/MDF/Laminate 1.175 2.35 0.500
Brick 3.375 2.25 1.500
Marble 0.400 0.80 0.500
Ceramic Tile 0.250 1.00 0.250
Thinset Mortar 0.050 0.40 0.125
MDF/Plastc Laminate 0.500 1.00 0.500
Laminate Floor Pad 0.300 1.92 0.160
Engineered Wood 0.250 to 0.750 1.00 0.250 to 0.750
Engineered Wood Flooring Pad 0.200 1.60 0.125
Engineered Bamboo 0.720 0.96 0.750
Oak 0.638 0.85 0.750
Ash 0.750 1.00 0.750
Maple 0.750 1.00 0.750
Pine 0.975 1.30 0.750
Fir 0.900 1.20 0.750
Carpet Pad/Slab Rubber 33lb 0.320 to 0.640 1.28 0.250 to 0.500
Carpet Pad/ Waffle Rubber 25 lb 0.620 to 1.240 2.48 0.250 to 0.500
Hair Jute 1.250 to 1.940 3.88 0.325 to 0.500
Prime Urethane 1.400 to 2.150 4.30 0.325 to 0.500
Bonded Urethane 1.400 to 2.100 4.30 0.325 to 0.500
Carpet 0.700 to 1.050 2.80 0.250 to .750
Wool Carpet 1.575 to 2.100 4.20 0.375 to 0.5