HARDWOOD Properties
Name
Ipe
Garapa
Tigerwood
Cumaru
Grade
Select Grade, all heart, no knots & sap.
Select Grade, all heart, no knots & sap.
Select Grade, all heart, no knots & sap.
Select Grade, all heart, no knots & sap.
Appearance
No splinters, surface stays smooth & resists damage, sealer required, patinas to silver gray with small surface checks.
No splinters, surface stays smooth & resists damage, sealer required, patinas to gray with small surface checks.
No splinters, surface stays smooth & resists damage, sealer required, colors darken with age with small surface checks.
No splinters, surface stays smooth & resists damage, sealer required, colors darken with age with small surface checks.
Decay Resistance
Very Durable 25+ Years
Moderately Durable 10-15 Years
Very Durable 25 Years
Very Durable 25 Years
Fire Rating Class (NFPA)
A - B+
A-B
A-B
A-B
Resistance to Termites
High
Medium
High
High
Resistance to Marine Borers
High
Medium
High
High
Movement in Service
Low
Low
Low
Low
Average Weight
69 lbs/ft3
51 lbs/ft3
57 lbs/ft3
68 lbs/ft3
Modulus of Rupture 25,660 lbf/in2
18,530 lbf/in2
16,970 lbf/in2
25,390 lbf/in2
Modulus of Elasticity 3,200,000 lbf/in2
2,257,000 lbf/in2
4,401,000 lbf/in2
3,237,000 lbf/in2
Janka Hardness
3,680 lbf
1,650 lbf
2,250 lbf
3,540 lbf
Specific Gravity (Basic / 12% MC)
.91 / 1.10
.65 / .82
.80 / .91
.86 / 1.09
Crushing Strength
13,600 lbf/in2
9,030 lbf/in2
10,770 lbf/in2
13,850 lbf/in2
Shrinkage
Radial: 5.9% Tangential: 7.2% Volumetric: 12.4% T/R Ratio: 1.2
Radial: 4.2% Tangential: 7.5% Volumetric: 11.4% T/R Ratio: 1.8
Radial: 4.2% Tangential: 7.8% Volumetric: 11.2% T/R Ratio: 1.9
Radial: 5.3% Tangential: 7.7% Volumetric: 12.6% T/R Ratio: 1.5
HARDWOODS
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