Tongue & Groove 3-3/8" - 8

This large 3-3/8" - 8 tongue & groove decking measures 3.375" thickness; the width can be machined to any desired size within the parameters of the molder or shaper used to mill the pattern. The profile's right side comprises two 3/8" wide by 3/8" tall grooves divided by a 1-3/4" elevated line segment in the center and 7/16" lines on the top and bottom face side. The opposite side consists of two 11/32" tall by 11/32" wide tongue. When two milled planks are joined together they create a simple butt joint, there is .031" void in the joint for expansion and contraction of the lumber during seasonal changes in relative humidity.

Mirror Reflections provides the cut steel size on all their moulding template designs, this critical information allows you to purchase the correct size width of knife steel before you start grinding procedures for production, this is just one more example of them caring about the overall success of your business.