Decking Materials 101: Pressure-Treated, Composite, or PVC?

To choose the right boards for your outdoor space, you’ll first want to know how each material performs under Maryland weather and then what upkeep it needs and how that fits with your preferences for the amount of effort you want to put into maintaining your deck. Whether you are planning deck installation in Baltimore County, MD right now or simply comparing options, here’s what you need to know.

Best Materials for Deck Installation in Baltimore County, MD

Pressure-Treated Wood

Pressure-treated wood is the most common starting point for many homeowners because of its low upfront price compared to the other options. Pressure-treated wood is usually made from southern yellow pine or similar softwoods that then get a chemical treatment under pressure, so the preservatives penetrate the lumber. Once treated in this fashion, the wood will resist rot, insects, and fungal decay. 

Modern formulas are usually made from a copper-based compound, such as alkaline copper quaternary or copper azole, and you can expect a properly maintained pressure-treated deck to last 15 to 25 years in above-ground applications, depending entirely on how faithful you are with regular sealing or staining every one to three years, prompt treatment of any cuts, and maintaining good drainage so water does not sit on the boards. 

Composite Decking

Composite decking blends wood fibers with plastic, then usually gets a protective polymer cap. There’s a wide range of colors and grain patterns available, and you can skip the annual staining cycle. A simple wash with soap and water or a manufacturer-approved cleaner should keep the surface looking clean.

Most composite products resist rotting, splintering, and insect damage far better than untreated or even treated wood, and their overall fade and stain resistance have improved markedly with the newer capped designs. Warranties on this decking are usually 25 to 50 years. 

The boards weigh more than wood, so the framing underneath must be sized and spaced correctly, and heat buildup under the direct sun can be very noticeable with darker colors; lighter shades and proper airflow under the deck will help with that. The up-front material cost is higher than with pressure-treated lumber, but that’s often offset by the fact that you don’t need to stain and seal it constantly. 

PVC

PVC, sometimes called cellular PVC or advanced PVC, contains no wood fiber at all. It is a fully synthetic product extruded into boards that look much like wood grain. Because water cannot enter the core of the deck, you enjoy excellent resistance to mold, mildew, and swelling even in damp or poolside locations. The lifespan on these can usually exceed 50 years with minimal care. 

Color and texture options continue to expand, though the overall feel is more uniform than natural wood, and there aren’t quite as many options for looks. Costs are, as you might imagine, at the high end of the three categories, both for the boards themselves and for specialized fasteners.

If you’re ready to explore options, contact Green Solutions Remodeling today in Glen Arm. We have Maryland’s oldest active home-improvement license, and our team can walk you through comparisons side-by-side and build the outdoor space you’re truly looking for.

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