These panels combine subfloor and underlayment functions in a single product. Blue Ribbon OSB Sturd-I-Floor is suitable for direct application of carpet and pad. Use additional underlayment under tile or linoleum to adjust finished floor height.

• Span-rated and exposure-rated flooring thicknesses of 19/32" and 23/32"
• Square edge and tongue and groove edge panels are available
• Manufactured in easy-to-handle 4' x 8' panels
• 12' and 16' lengths also available
• Span rated for application with 8' axis perpendicular to floor joists

Installation Tips

• Use 19/32" thickness for supports spaced 20" on center
• Use 23/32" thickness for supports spaced 24" on center
• For maximum performance, space panel edges 1/8" apart
• Use only for weather-protected applications