Installation Instructions

22
Beaded, Shiplap, and Nickle Gap Planking for
Sot/Ceilings cont.
Royal Trim Board Sheet Stock
3/8” thick sheet
• Not approved for soffit/ceiling applications.
1/2” thick sheet
• Span no more than 12” between fasteners.
• No glue required when fastened with screws.
• Glue required when fastening with nails or staples.
5/8” thick sheet
• Span no more than 16” between fasteners.
• No glue required when fastened with screws.
• Glue required when fastening with nails or staples.
*Maximum run before an expansion joint (shiplap or T-Mould) is
16’ to allow for the expansion and contraction of the planking
through temperature changes.
**Cortex or Proplug screws and plugs are approved for use
with 5/8” or thicker material.
IMPORTANT: High Heat planking must be used in
applications where there is potential for excessive heat
build, such as porch ceilings with low pitches roofs that
cannot be vented. In these applications, bead board must
also be installed over a minimum of 1/2” substrate such as
plywood or OSB.
Fastening
• Fasteners should penetrate 1 1/2” into substrate.
• Fasteners must be weather resistant such as stainless
steel or hot dipped galvanized.
• Pneumatic guns can be used. Air pressure should be
adjusted based upon gun, temperature, substrate, etc.
(80-100psi typical).
• In cold weather below 40
o
, pre-drilling may be necessary.
• Staples can be used/16 gauge T-nail/15 gauge trim nail