What Is Incised Lumber?

Incising is a pretreatment pro- cess in which small incisions or slits are punched into the wood. Incising increases preservative retention and penetration during the treating process by increasing the amount of exposed, easily penetrated end-grain and by increasing the side-grain surface area.

Is pressure treated wood incised?

All pressure treated lumber is incised unless it is specifically designed to be used for a deck surface or railing application. ... There are basically three different treatment levels for incised lumber: above ground, ground contact, and in-ground structural.

What does incised mean for wood?

Incising is a pre-treatment mechanical process in which bespoke designed blades are inserted into the face and edge of the timber section longitudinally.