Deck Maintenance Basics
Clean 2-4x/year
Spring deep clean essential
Stain Every 2-3 Years
Wood decks only
Inspect Annually
Check structure & hardware
Seasonal Maintenance Checklist
What to do each season to keep your deck in top condition.
Spring
- Deep clean entire deck surface
- Inspect for winter damage
- Check for loose boards/nails
- Clear debris from drainage gaps
- Inspect railings and stairs
- Apply stain/sealer if needed (wood)
Summer
- Regular sweeping and debris removal
- Spot clean spills immediately
- Check for insect damage
- Move planters to prevent staining
- Inspect for UV damage/fading
- Keep grill area clean
Fall
- Remove leaves frequently
- Clean gutters above deck
- Final deep clean before winter
- Store outdoor furniture properly
- Clear gaps between boards
- Trim overhanging branches
Winter
- Remove snow with plastic shovel
- Avoid metal shovels on deck
- Never use rock salt (calcium chloride OK)
- Clear ice carefully - no chipping
- Ensure proper drainage
- Check for damage after storms
🪵 Wood Deck Maintenance
Pressure-treated, cedar, and hardwood deck care.
Annual Cleaning
Every spring
Deep clean with deck cleaner and stiff brush. Rinse thoroughly.
Staining/Sealing
Every 2-3 years
Apply quality stain/sealer when water no longer beads on surface.
Board Inspection
Twice per year
Check for rot, warping, splitting. Replace damaged boards promptly.
Fastener Check
Annually
Tighten loose screws, replace rusted nails with deck screws.
Structural Inspection
Annually
Check posts, beams, and joists for rot or insect damage.
🏠 Composite Deck Maintenance
Trex, TimberTech, and other composite deck care.
Regular Cleaning
2-4 times per year
Soap and water with soft brush. Use manufacturer-approved cleaners.
Mold/Mildew Treatment
As needed
Apply composite deck cleaner for mold. Prevent with good ventilation.
Gap Cleaning
Seasonally
Remove debris from gaps between boards to ensure drainage.
Scratch Repair
As needed
Minor scratches can be fixed with heat gun. Deep gouges may need board replacement.
Hardware Check
Annually
Inspect hidden fasteners and railing connections for tightness.
⚠️ Warning Signs: Time for Repair
Call a professional if you notice these issues.
Wood Deck Warning Signs
- Water no longer beads on surface
- Gray, weathered appearance
- Visible cracking or splitting
- Soft, spongy spots (rot)
- Loose or popped nails/screws
- Wobbly railings or stairs
- Insect damage (holes, sawdust)
Composite Deck Warning Signs
- Persistent mold or mildew stains
- Warped or cupped boards
- Deep scratches or gouges
- Loose or squeaky boards
- Fading beyond normal weathering
- Structural movement or bounce
Deck Maintenance FAQs
How often should I stain my wood deck?
Most wood decks in PA/NJ should be stained every 2-3 years. Signs it's time: water no longer beads, color has faded, or wood appears gray/weathered.
Do composite decks need maintenance?
Composite decks require minimal maintenance but still need regular care. Clean twice per year, remove debris from gaps, and address mold promptly. No staining required.
What's the best way to clean a deck?
Use dish soap and water with a stiff brush. Avoid pressure washers above 1500 PSI on wood. For composite, use manufacturer-approved cleaners. Always rinse thoroughly.