Download the PermaBASE™ Cement Board Tape and Screws Installation Guide

Fastener Spacing

• Ceilings - Fasten PermaBASE a maximum of every 6" o.c. into existing ceiling framing.
  
• Walls - Fasten PermaBASE a maximum of every 8" o.c. into existing wall framing.
  
• Floors - Fasten PermaBASE a maximum of every 8" o.c. throughout board field and around all edges.
  
  

Installation Accessories

For a seamless installation, we recommend PermaBASE™ Cement Board Tape and PermaBASE™ Cement Board Screws.

Fasteners: PermaBASE corrosion-resistant screws or equivalent, 1-1/4" or 1-5/8" long, for use with wood framing. Type S-12 screws or equivalent, 1-1/4" or 1-5/8" long, for use with 20-gauge or heavier steel framing. Galvanized roofing nails 1-1/2" long with hot-dipped galvanized coating for use with wood framing. Nails should meet Federal Specification #FF-N105B/type 2 style 20.

Joint Reinforcement: PermaBASE mesh tape must be used on all edges and cuts made to size. Use 2" polymer-coated (alkali-resistant) mesh tape for interior applications. 4" wide polymer-coated(alkali-resistant) mesh tape is recommended for inside and outside corners and all exterior applications.