Installation Guide

Decking Installation Guide / v20200731US 7
Region Prole Dimensions Residential Span Commercial Span
Middle East
Asia
(excluding
South
Korea)
US07, Solid Board 5.5 x 0.9 inches 16 inches 12 inches
US01, Grooved Solid Board 5.5 x 0.9 inches 16 inches 12 inches
US02, Grooved Channeled
Solid Board
5.5 x 0.9 inches 16 inches 12 inches
UH02, Grooved Circle
Hollow Board
5.5 x 0.9 inches 14 inches 10 inches
UH07, Grooved Channeled
Hollow Board
5.5 x 0.9 inches 14 inches 10 inches
UH01, Grooved Channeled
Square Hollow Board
5.5 x 0.9 inches 12 inches
Only to be used
for residential
Maximum Decking Spans on Center-to-Center
Expansion and Contraction Values
NewTechWood deck boards will experience expansion and contraction with changes in temperature.
Expansion and contraction are most signicant where extreme temperature changes occur. Fastening
the deck planks according to the gapping requirements noted in the following table accommodates for
this movement.
3 8 9 10 12 13 13 16 18
32 1/16 2/16 2/16 3/16 3/16 3/16 4/16 4/16 5/16
Gap
(in)
41 1/16 2/16 2/16 2/16 3/16 3/16 3/16 4/16 4/16
50 1/16 2/16 2/16 2/16 2/16 2/16 3/16 3/16 3/16
59 1/16 1/16 1/16 2/16 2/16 2/16 2/16 2/16 3/16
68 3/64 1/16 1/16 1/16 1/16 1/16 2/16 2/16 2/16
77 3/64 1/16 1/16 1/16 1/16 1/16 1/16 1/16 1/16
86 3/64 3/64 3/64 3/64 3/64 1/16 1/16 1/16 1/16
Installation Temperature (Farhenheit)
Length (Feet)
Note: If you are still unsure of what gapping to use, contact the manufacturer and they
will give you the correct gapping requirements based on your environment and area.