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July 2013 Outdoor Structures Newsletter by Ted Stubbersfield

This month Ted explains the cellular reasons why heartwood can’t be chemically treated. Therefore, when specifying sawn hardwood, it’s critical to know the natural durability class of the timber, and if it can naturally withstand the environment it’s intended for.

An informative read! found here.

Empty sapwood vessels, photo by Gary Hopewell, DAFF

Closed heartwood vessels, photo by Gary Hopewell, DAFF

0 0 1484 28 July, 2013 News July 28, 2013

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