The Northeastern Lumber Manufacturers Association

Established in 1933, The NorthEastern Lumber Manufactuers Association is the rules writing agency for Eastern White Pine Lumber and the grading authority for Eastern Spruce, Balsam Fir, Spruce Pine Fir species groupings and other comercially important eastern softwood lumber species.

Know Your Heat Treat Stamps

From lumber and components that have been heat treated at the facility, the Heat Treated Stamp (below) shall be applied at least once to each to each piece For finished wood packaging materials (WPM) such as pallets, skids, and crates manufactured from certified heat treated (HT) and stamped lumber and components, the IPPC Stamp (right) shall be applied to a minimum of two opposite sides of the WPM

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Heat Treatment Stamp

For Use Only On Lumber and Components

The required information
within this stamp is
(a) method of treatment
(HT = Heat Treatment)

(b) unique number assigned to the facility by the agency
(000 in this example)

(c) the registed logo of the certified inspection agency
(NeLMA “sawblade” logo or “NeLMA®”

IPPC Stamp

For Use Only On Finished Wood Packaging

The required information within
this stamp is
(a) international symbol for wood packaging (IPPC logo)

(b) country of origin of WPM manufacturer (US)

(c) unique number assigned to the facility by the agency
(000 in this example)

(d) method of treatment
(HT = Heat Treatment)

(c) the registed logo of the certified inspection agency
(NeLMA “sawblade” logo or “NeLMA®”

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