When your project needs to stand up to the elements, trust Armstrong Lumber Company’s selection of treated lumber. Our materials are designed to resist rot, decay, and insects, ensuring your outdoor projects last for years.
From fence posts and deck frames to outdoor furniture and raised garden beds, treated lumber is the best choice for any project exposed to the weather or in direct contact with the ground. At Armstrong Lumber, we supply pressure-treated lumber that is professionally treated and stored to maintain its integrity. Our treated lumber is sourced from reputable mills, so you can be confident that it will provide superior protection and a long service life, no matter the application.
The foundational materials for a long-lasting deck. Our treated lumber is ideal for posts, joists, and beams.
Heavy-duty, pressure-treated posts and timbers for building fences, pergolas, and structural supports.
Versatile treated boards for everything from ground-level patios to siding and trim.
Perfect for building raised garden beds, retaining walls, and other landscape features that require ground contact.
From sheathing to high-grade cabinet plywood, find the right panel for your project.
Discover our selection of pine, cedar, and other hardwoods for finishing, siding, and more.
Create your dream outdoor space with our variety of decking materials, including traditional wood and low-maintenance composite options.
Find the structural support you need for framing, pergolas, and heavy-duty construction.
We maintain a large stock of common treated lumber sizes and grades, so you can always find what you need to keep your project on schedule.
Our treated lumber is consistently high-quality, with minimal warping and defects, reducing waste and saving you money on every job.
Take advantage of our volume discounts on large orders of treated lumber and get the materials you need for your project at a great price.
Our efficient delivery service ensures your materials arrive on time, every time.
Unsure if you need pressure-treated or cedar? We’ll help you select the right product for your project, ensuring it stands up to the Corpus Christi sun and humidity.
We’ll provide guidance on best practices for cutting and handling treated lumber, including recommended safety gear.
Get your treated lumber cut to the perfect length to make your project easier and more precise.
We also stock fasteners, post caps, and concrete—everything you need to complete your treated lumber project successfully.