Alpine Timber stocks H3 treated (above ground) F7 structurally rated kiln-dried (KD) treated pine for external framing applications such as decks and pergolas.
Where possible, Alpine Timber stocks "Dongwha" KD treated pine, which is known for
- Its cleanness, ie. relatively knot-free
- Less tendency for twisting
- More stable than other brands of treated pine
KD pine is available in a wide range of dimensions: