A deck is an investment in your home and your quality of life. Whether you’re grilling out in summer or enjoying crisp fall Maryland evenings, a well-maintained deck keeps your outdoor space safe, good-looking, and built to last. But not all decks are the same—maintenance depends on the deck materials you choose. Here’s a no-nonsense guide to keeping your deck’s appearance in top shape all year long.
Natural Wood Deck Maintenance: Classic Looks, Classic Care
Wooden decks (like pressure-treated pine, cedar, or redwood) are timeless, but they need regular cleaning and TLC to stand up to the elements and look their best. Maryland’s weather—hot summers, wet springs, snowy winters—can be tough on wood.
Year-Round Maintenance:
- Spring: Inspect for loose or damaged boards, protruding nails, loose screws, and signs of rot or mold. Sweep away debris, cover nearby shrubbery, and give your deck a good wash with a deck cleaning solution or a mild oxygen bleach like Oxiclean to keep the wood grain looking sharp.
- Summer: Reapply a water-repellent sealant or stain if water no longer beads on the surface. Tighten screws and hammer in any nails that have worked loose.
- Fall: Clear leaves and other debris to prevent moisture buildup. Check for splinters, loose connections, or rough spots and lightly sand them down.
- Winter: Shovel snow with a plastic shovel (never metal) to avoid scraping the deck boards. Avoid using harsh ice melt products.
Pro Tip:
Don’t skip regular clear sealing or staining every 1–3 years. It’s the best way to preserve the natural color, prevent water damage and rot, and keep your deck looking sharp for years to come.
Want to know more about the benefits and options for wood decks? Visit our Custom Decks page.
Painted Wood Decks: Extra Protection, Extra Care
Painted decks can give your outdoor space a bold, clean look and help protect the wood grain from moisture and UV damage. But paint needs a bit more attention than stain or sealant.
Maintenance Tips:
- Inspect for Peeling or Chipping: Check each season for spots where the paint is lifting. Scrape and sand any rough areas before repainting.
- Touch Up Regularly: High-traffic spots and railings may need touch-ups every year to keep moisture out and maintain a fresh appearance.
- Clean Gently: Use mild soap and water, and avoid harsh brushes or power washing, which can strip paint and expose the wood underneath.
Pro Tip:
Choose a high-quality exterior paint made for decks, and always apply it to a clean, dry deck for the best results.
Composite Decks: Low Maintenance, But Not Quite Maintenance Free
Composite decking (like Trex or TimberTech) is made from a mix of wood fibers and plastic. It resists rot and insects without semi-annual sealing, but still needs regular inspections and basic deck maintenance to keep it looking and functioning its best.
Year-Round Maintenance:
- Spring: Wash the deck surface with soapy water and a soft scrub brush to remove dirt and pollen. Check for buildup in the gaps between boards.
- Summer: Inspect for scratches or stains. Most can be scrubbed out with gentle cleaners.
- Fall: Remove debris like leaves, twigs, or fallen branches to keep mold and mildew at bay.
- Winter: Sweep snow off regularly. Composites are slippery when wet, so keep the surface clear.
Pro Tip:
Never use harsh chemicals like chlorine bleach or a pressure washer on composite decks—they can damage the surface.
Curious about composite vs. wood? Check out our blog: Deck Materials: A Guide for Maryland Homeowners.
PVC & Vinyl Decks: Easy Upkeep, Year-Round
PVC and vinyl decks are all about durability and easy cleaning. They don’t rot or splinter, but they can get dirty and sometimes stain.
Year-Round Maintenance:
- Spring/Fall: Wash the deck with a garden hose, using mild soap and a gentle scrub brush for stubborn spots.
- Summer: Check for discoloration or sun damage. Most discoloration issues can be fixed with a gentle cleaner. Consider planting fast-growing trees or adding a pergola, gazebo, or awning to block the sun, keep your deck dry, and improve your outdoor experience.
- Winter: Remove snow with a plastic shovel, and avoid dragging furniture to prevent scratches.
Pro Tip:
Check the manufacturer’s cleaning recommendations—some products can void your warranty.
Aluminum Decks: Tough, Long-Lasting, and Low Maintenance
Aluminum decks are gaining popularity for their strength, durability, and resistance to just about everything—rot, rust, insects, and even fire. They’re a solid choice if you want a deck that stands up to Maryland’s weather with minimal upkeep.
Year-Round Maintenance:
- Spring/Fall: Hose off dirt and debris. Mild soap and water will handle most stains.
- Summer: Check for loose fasteners or minor scratches. Aluminum won’t splinter or crack, but it’s good to keep an eye on connections.
- Winter: Snow and ice slide right off aluminum, but if needed, use a plastic shovel. No need to worry about moisture damage.
Pro Tip:
Aluminum decks are often coated with a slip-resistant finish, but always check the manufacturer’s care instructions for cleaning products to avoid damaging the boards.
Want to learn more about all your decking options? Visit our Custom Decks page or contact us for expert advice.
General Deck Maintenance Tips (No Matter the Material)
- Inspect railings, steps, and fasteners at least twice a year for safety.
- Trim back bushes and trees to keep debris off your deck and let it dry out after rain.
- Move furniture and grills occasionally to prevent uneven fading or moisture spots.
- Clean up spills—especially grease or food—quickly to avoid stains and attractants for pests.
Can I Power Wash My Deck? Here’s What You Need to Know
Let’s be honest—if you’ve got a power washer, you probably want to put it to work on your deck. It’s quick, satisfying, and seems like the easiest way to blast away dirt and grime. But before you fire it up, it’s important to know which deck types can handle the pressure and which ones could end up damaged. Here’s a straightforward guide so you don’t accidentally do more harm than good.
Deck Types You Can Power Wash (With Caution):
- Wood Decks: You can power wash wood decks, but use a low-pressure setting (typically under 1,500 psi) and a fan tip to avoid damaging the wood grain. Always keep the nozzle moving and don’t get too close to the wood. Too much pressure can gouge the wood or raise splinters.
- Aluminum Decks: Yes, aluminum decks can be power-washed. Use moderate pressure and avoid holding the nozzle in one spot for too long. Most aluminum decks have a protective coating, so be sure to check the manufacturer’s recommendations.
Deck Types You Should NOT Power Wash:
- Composite Decks: Generally, it’s best not to power wash composite decks. High pressure can damage the surface, causing splintering or stripping away the protective cap. If you must use a power washer, keep it on the lowest setting and hold the nozzle at least 8–12 inches away, but most manufacturers recommend just using soap, water, and a soft brush.
- PVC & Vinyl Decks: Avoid power washing PVC or vinyl decks. The high pressure can cause surface damage or even void your warranty. Stick to gentle cleaning with a hose, mild soap, and a soft brush.
Pro Tip:
Always check your deck manufacturer’s instructions before pressure washing any deck. When in doubt, start with a gentle cleaning method first.
Is it Time to Replace Your Deck?
No matter how well you care for your deck, every structure has a lifespan. Maryland’s weather, years of use, and old age can wear down even the sturdiest deck. Here’s how to know when maintenance and repair just isn’t enough—and it’s time to think about a full replacement:
- Rotting or Soft Boards: If you notice large areas where the wood feels soft, spongy, or crumbles underfoot, that’s a sign of deep rot that can’t be fixed with spot repairs.
- Widespread Splintering or Cracks: A few splinters are normal, but if most boards are cracked, warped, or splitting, the structure is likely compromised.
- Wobbly Railings and Posts: Loose or shaky railings and posts can be a major safety hazard. If tightening doesn’t help, the underlying structure may be failing.
- Rusty or Failing Fasteners: Nails, screws, or brackets that are rusted through or pulling out of the wood can mean the deck is no longer secure.
- Unstable Foundation: If the deck shifts, sags, or feels uneven, the supports underneath might be rotting or sinking.
- Old Age: Most wood decks last 10–20 years with good care. If yours is older, it’s smart to get a professional opinion—even if it looks okay on the surface.
If you’re seeing these signs, it’s time to consider a full deck replacement. A new deck not only keeps your outdoor space safe, but it also boosts your home’s value and gives you a fresh start with materials and features that fit your lifestyle.
Visit our blog for more extensive discussion to help you discern whether it’s time to replace your Maryland deck.
Upgrade Your Outdoor Space With a New Deck
If your deck is showing its age or you’re tired of constant repairs, Mount Joy Company is here to help. We specialize in full deck replacements—removing old, unsafe structures and building new, long-lasting decks that are built right the first time. You get honest advice, clear communication, and quality craftsmanship from a family-owned crew that treats your home like their own. To see examples of our work, visit our gallery!
Ready to start fresh with a deck that’s safe, beautiful, and built to last?
If you live in our northern/central Maryland service area give us a call at (301) 639-8418 or fill out our online form to get your free quote We’ll make sure your new deck stands strong for years to come.


