Different Types of Pressure Treated Lumber – 2022 Guide

Pressure treated lumber has a variety of uses and can withstand harsh conditions.
The importance of steel in our lives is not limited to construction. You may be surprised at just how many products have some form or another, including but not limited to; beams for supporting your house above ground level and even patio chairs!

Pressure treated lumber has been around for many years and is still one of the most popular choices when building decks. This article will take an in depth look at what type are available, as well as which ones might be best suited to your needs based on price point or other factors such size that you’re working with (elevated decking).

There are a variety of different types and uses for lumber. We’ll explore the options that best suit your specific needs, plus how to select them!

Best Uses for Pressure Treated Lumber

Pressure treated wood has a lot of uses. Here is where you will find the most applications of the lumber.

Decking. Almost all deck posts, framing, and support beams are made of pressure-treated lumber.
Drywall framing is a term used to describe the process of putting up Pressure treated wood is used inside the walls to assist prevent mould and mildew growth.

Fencing. Where moisture and ground contact are required, pressure treated lumber is best used outside. Pressure-treated fencing is almost always used.

Awnings and overhangs are two types of awnings. Pressure-treated woods are also used to make eves and even roofs.

Ramps and docks Pressure treated wood is ideal for making a boat ramp, dock, or even pier since it contains waterproof and robust chemicals throughout the treatment process.

Types of Pressure Treated Wood Compared


Above Ground Woods

When you look at the end tag on your lumber choices, there will be a lot of different use category codes. These alone can tell what kind or application they’re designed for based off their durability and performance attributes!

The UC series of timbers are designed to protect against water runoff. It’s ideal for use in wetter climates or near sources where you need the rainwater run off quickly and efficiently, but not when it comes time to build your house on dry land!

Ground Contact Woods

Ground contact lumber needs to be coated and treated so that it doesn’t rot or corrode away. It’s also important note that ground-contact from 6″ off the surface can still qualify as ‘ground’.

In-Ground/Critical Use Woods

UC4B and C are both optimal choices for in-ground use. The difference will be load, expected usespecifically whether you have a critical or rare situation on your hands; as well the quality of moisture near ground level (or below).

Marine Grade Woods

The special treatment required for saltwater and brackish water is found in the UC5 category. There are three subcategories: A, B & C which correspond to specific types of waters located across regions worldwide.

Buyer’s Guide: What to Look For When Buying Pressure Treated Wood

  • Wood Species
  • Expected Usage
  • Wood Sizes
  • Moisture Content
  • Stamps and Logos
  • Cost

Looking for a lumber that can withstand the harsh weather conditions and elements? Bayou City Lumber has the perfect solution – marine grade lumber! Our lumber is designed to withstand outdoor elements and can be used in a variety of applications, such as boat building, docks, piers, and more. Give us a call today to learn more about our marine grade lumber options!

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