TOUGH DECKS
HARDWOOD DECKING COMPARISON

Timber Qualities	Garapa (Brazilian Ash)	Purple Heart	Stonewood	Red Cumaru (Brazilian Teak)
Original Colour	Straw colour, golden to soft brown	Deep Purple	Light yellowish brown, while the sapwood is a pale brown.	Light Brown to Reddish Brown
Texture	Medium to fine texture, usually straight, some wavy interlocked grain.	Usually Straight grain, with smooth fine texture.	The grain of this wood is crisscross, and the texture is coarse and uneven.	Medium texture, interlocked grain with moderate shine.
Density (Dry)	900kg/m3	900kg/m3	690kg/m3	1100kg/m3
Length Spread	1.8 - 6m	1.8 - 6m	1.8 - 6m	1.8 - 6m
Dried	Kiln	Kiln	Kiln	Kiln
Janka Hardness	7.3(kN)	11.19(kN)	13.5(kN)	14.8(kN)
Expansion/Contraction	3.5-4%	3.0%	4%	3.0%
Tannin Bleed	No	No	No	No
Standard Sizes	Smooth-145/21 & 140/19	Smooth-100/19 & 140/19	Smooth - 140/19	Smooth-100/21 & 145/21
Life expectancy	15-20 years	20-25 years	15+ years	30+ Years
Durability Class	Class 2-3 Moderately Durable	Class 1-2 Durable	Class 2. Moderately Durable	Class 1 Very Durable
Screws	316 Stainless Steel	316 Stainless Steel	316 Stainless Steel	316 Stainless Steel

We recommend T316 70MM Star head screws for all our Hardwoods. Pre-drilled and countersunk face of each board, two per joist 15-20 mm from the ends and edges. Care should be taken not to over-drive screws.