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Long Island Deck Company

Why Your Deck Deserves KDAT Lumber

Get the Deck You’ve Always Wanted at a Price You Can Afford

Why Your Deck Deserves KDAT Lumber

A smarter material choice for a deck that stays straight, strong, and beautiful.

Most homeowners never think about the moisture content of their deck framing. They should.

Many deck builders install standard pressure-treated lumber while it is still wet from treatment. As that wood dries in place, it shrinks, twists, and warps – often within the first season.

At Decks Unique, we build differently.

We are the only deck builder on Long Island who offers KDAT lumber as a framing option – because it produces a better deck, not just a faster build.

kdat substructure
kdat substructure

What Is KDAT Lumber?

KDAT stands for Kiln-Dried After Treatment.

The lumber is pressure-treated first, then kiln-dried to remove excess moisture before it ever reaches your home.

That one extra step makes a significant difference in how your deck looks, performs, and ages.

KDAT vs Standard Pressure-Treated Lumber

Standard Pressure-Treated Lumber

KDAT Lumber

Why KDAT Is the Better Choice for Your Deck

Greater Stability

KDAT lumber experiences far less shrinkage, which means flatter boards, tighter joints, and fewer long-term issues.

Better Long-Term Appearance

Less movement means fewer cracks, fewer gaps, and a deck that keeps its finished look year after year.

Earlier Protection

Because KDAT dries faster, your deck can be stained or sealed sooner, protecting it from the elements before weather damage begins.

Improved Build Precision

Drier lumber is lighter and easier to work with, allowing for more accurate construction and cleaner results.

Lower Maintenance Over Time

Reduced warping and movement means fewer repairs, fewer adjustments, and a deck that ages more gracefully.

A Cleaner, Smarter Material Choice

All pressure-treated lumber uses copper-based preservatives. When standard treated lumber is still wet, some surface leaching can occur, especially early on.

KDAT lumber does not eliminate leaching entirely, but it significantly reduces it because:
This results in fewer stains on nearby surfaces and a cleaner installation overall.

Why Decks Unique Builds with KDAT

Our goal is simple – build the best deck possible for every homeowner.

Using KDAT lumber allows us to deliver:

It is a premium material, and we believe it should be the standard – not the exception.
kdat substructure
kdat substructure

What Are You Waiting For?

Your Deck Is an Investment. Build It Right.

If you want a deck that looks better, lasts longer, and performs the way it should, KDAT lumber makes a difference you can see and feel.

Built stronger. Built smarter. Built Unique.