Thermal Modification Is Coming: Why Knot Thermally Modify Knot-Free Wood? I used to be heavily involved with thermally modified wood (TMW). For those unfamiliar, thermal modification is the process of heating lumber to at least 350°F in an oxygen-depleted environment to prevent combustion. This heat treatment crystallizes (or “cooks”) the hemicellulose, the sugar in the […]
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by Miller Wood Trade Publications