What is KDAT?

Build the kind of backyard that’s stands out above all the rest. Build your next project with KDAT.

Wood that is KDAT, or Kiln Dried After Treatment, provides many advantages. YellaWood® brand KDAT materials give you the appearance of composite with the natural beauty and character of real wood. Dried to its original moisture content in a controlled environment, the wood dries evenly to minimize the natural tendency of freshly treated lumber to shrink, cup or warp. This high-quality lumber is the top choice for a stunning, unforgettable backyard.

KDAT Installation Tips

How KDAT is different

Following pressure treatment, KDAT products are placed in a large oven, or kiln, where excess moisture is removed and the wood is returned to its original moisture content. With a stiffer and more dimensionally stable product, you'll minimize after-installation issues that occur when regular pressure treated wood dries naturally. It also means your lumber needs to be kept elevated, covered and completely dry before installation. After installation, it needs to be stained, painted or sealed immediately which is great because now you don't have to wait to finish your project. By comparison, freshly treated wood may take weeks or months to dry naturally enough to be finished.

Why the pros use KDAT products

Pros use YellaWood® brand KDAT because it provides you the luxurious appeal of a composite deck while maintaining a completely natural look at a fraction of the price.

  • Excess moisture is removed so you’re free to paint, stain, seal and enjoy immediately
  • Wood dries evenly to minimize the tendency of freshly treated lumber to shrink, cup and warp
  • Stiffer and more stable, minimizing after-installation issues when treated wood dries naturally
  • Easier to handle, cut and install
  • Weighs less than freshly treated lumber
  • Increased holding power
  • Light, natural color for easy staining, painting or sealing
  • Pressure treated protection against rot, fungal decay and termite attack
  • Backed by a lifetime limited warranty

Products

KDAT Grades

  • #1, #2, DSS and C&BTR

Product availability varies by region.