Maple, Rock

Maple

Maple, Rock

Colour

Durability

Density in kg/m3

Maple

The Tree
A. saccharum and A. nigrum grow to a height of 27m or more and a diameter of 0.5m to 0.75m.

The Timber
Hard maple is strong, heavy, hard, straight-grained and fine textured. The heartwood is light reddish-brown with deeper-coloured late-wood bands. The sapwood is white in colour, and furnishes the white maple prized for certain uses. It differs mainly from the soft maples in its greater density and firmer texture.

Drying
All types dry without undue difficulty but rather slowly, particularly rock maple.

Strength
Compared with European beech, rock maple is about equal in bending strength and in compression along the grain. and some 1 5 to 20 per cent superior in hardness, resistance to shock loads and resistance to splitting.

Working Qualities
Medium - Hard maple is rather difficult to work, the timber tending to cause saws to vibrate, and for cutters to ride on the wood during planing. A reduction of cutting angle to 20: assists the finishing operation particularly when curly grain is present. The timber can be stained, polished and glued satisfactorily, but it is hard to nail or screw, although these are held firmly.

Latin Name
Acer saccharum, Acer nigrum

Also known as
Rock maple, hard maple, sugar maple, black maple

Wood Type
Hardwood

Treatability
Difficult

Moisture
Medium

Texture
Fine

Origin
North America, Canada, USA