Birdseye maple — This image shows birdseye maple (Acer saccharum), which is characterized by tiny knots in the grain resembling small bird's eyes, a growth anomaly caused by unfavorable conditions. | https://www.wood-database.com/wp-content/uploads/acer-spp-birdseye-225x450.jpg
Specimen #423

Birdseye maple — Identification, Uses and Properties

Acer saccharum Sapindaceae

Often sorted by color (White Maple) and figured grain pattern.

Highly prized for decorative applications due to its unique figure. Solid lumber and veneer are both common, though figured stock is much more expensive.

HARDWOOD NORTH AMERICA VENEER

Taxonomy & Nomenclature

Botanical Name(s)

Acer saccharum

Family

Sapindaceae

Wood type

Hardwood

Local Names

Hard Maple (USA), Sugar Maple (USA), Rock Maple (USA), Érable à sucre (Canada)

Origin Region

North America

Main End Uses

Veneer · Flooring · Musical instruments · Furniture · Cutting boards · Butcher blocks · Workbenches · Baseball bats · Turned objects · Specialty wood items

Wood Identification Guide

Reference Colour

Sapwood is creamy white; heartwood is reddish brown.

Texture

Fine and even.

Grain

Generally straight but can be wavy; characterized by tiny knots resembling eyes of birds.

Sapwood

Nearly white to off-white cream color, sometimes with a reddish or golden hue.

Interlocked Grain

No

Notes

Birdseye maple is a growth figure found most commonly in Hard Maple (Acer saccharum). Identification cues include the very light sapwood, fine texture, and diffuse-porous structure with narrow and wide rays.

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Log Description

Tree height

80 – 115 ft

Tree height

25 – 35 m

Diameter

60–100 cm

Buoyancy

Sinks when green, floats when dry

Log Conservation

Good but sapwood is susceptible to staining and insect attack if not processed quickly.

Diameter

23.6 to 39.4 in

Physical & Mechanical Properties

Density

705 g/cm³ @ 12% MC

Density

44 lb/ft³

Monnin Hardness

6.4

Janka Hardness

1,920 lbf

Janka Hardness

8,541 N

Volumetric Shrinkage Coefficient

0.49 % / %

Tangential Shrinkage

9.9 %

Radial Shrinkage

4.8 %

T/R Anisotropy Ratio

1.9

Fibre Saturation Point

30 %

Thermal Conductivity

0.18 W/m·K

Thermal Conductivity

0.104 BTU/(h·ft·°F)

Lower Heating Value

18 MJ/kg

Lower Heating Value

7,744 BTU/lb

Crushing Strength

54 MPa

Crushing Strength

7,832 psi

Bending Strength (MOR)

109 MPa

Bending Strength (MOR)

15,809 psi

Modulus of Elasticity (MOE)

12,620 MPa

Modulus of Elasticity (MOE)

1,830,376 psi

Durability & Treatment

Resistance to Decay

Non-durable to perishable

Dry Wood Borers

Susceptible

Termites

Susceptible

Treatability

Sapwood is permeable; heartwood is resistant to impregnation.

Use Class

Class 5 (non-durable)

Preservation Requirements

Against Dry Wood Borers

Treatment recommended for indoor use in areas prone to infestation.

Notes

Susceptible to common furniture beetle and fungal decay.

Drying Schedule & Risks

Drying Rate

Fairly quick

Risk Distortion

High risk of warping (severe if dried too fast)

Risk Case Hardening

Moderate

Risk Checking

Low to moderate

Risk Collapse

Low

Suggested Schedule

T8-C3

Sawing & Machining

Blunting Effect

Moderate

Tooth For Sawing

Standard

Machining Tools

Machines well but tends to burn with high-speed cutters.

Suitability Peeling

Excellent

Suitability Slicing

Good

Notes

Turns well and has excellent steam-bending properties.

Assembling & Finishing

Nailing Screwing

Pre-boring needed

Fire Safety & Ratings

French Grading Thick Gt14mm

M3

French Grading Thick Lt14mm

M4

Euroclass

D-s2, d0

Commercial Grading

NHLA Grades

FAS FAS1F Selects No. 1 Common No. 2A Common

CITES & Trade Restrictions

CITES Status

Unlisted

Trade Notes

Not listed in the CITES Appendices or on the IUCN Red List of Threatened Species.
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