Installation & Assembly
Decking Installation Guide / v20191125US 7
Region Prole 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 signicant 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
14 2/16 4/16 4/16 5/16 6/16 6/16 6/16 7/16 8/16
Gap
(in)
23 1/16 3/16 4/16 4/16 5/16 5/16 6/16 7/16 7/16
32 1/16 3/16 4/16 4/16 5/16 5/16 5/16 6/16 7/16
41 1/16 3/16 3/16 3/16 4/16 4/16 5/16 6/16 6/16
50 1/16 2/16 3/16 3/16 4/16 4/16 4/16 5/16 5/16
59 1/16 2/16 2/16 3/16 3/16 3/16 4/16 4/16 5/16
68 1/16 2/16 2/16 2/16 3/16 3/16 3/16 4/16 4/16
77 1/16 2/16 2/16 2/16 2/16 2/16 3/16 3/16 3/16
86 1/16 1/16 1/16 2/16 2/16 2/16 2/16 2/16 3/16
95 3/64 1/16 1/16 1/16 1/16 1/16 2/16 2/16 2/16
104 3/64 1/16 1/16 1/16 1/16 1/16 1/16 1/16 1/16
Installation Temperature (Farhenheit)
Length (Feet)
Expansion and Contraction table of values for Europe, Russia,
Northern Asia (between 40 N and 20 N in latitude)