How to Stain a Deck or Fence in Las Vegas

Las Vegas's extreme UV index (11+ from May through September) destroys unprotected wood faster than almost any other climate in the US. Decks and fences need restaining every 2 years here — versus 3 years in moderate climates. Here's how to do it right.

1. Plan Around the Weather

Las Vegas offers two ideal windows for exterior staining: March through May and October through November. Avoid staining when temperatures exceed 90°F — the stain dries too fast and won't penetrate properly. Morning applications are best for cooler, more consistent conditions.

2. Clear and Inspect the Surface

Remove all furniture and items from the deck. Inspect every board for rot, raised nails, splinters, and cracked or split wood. Use a screwdriver to test for decay — if it sinks easily into the wood, that board needs replacement before staining.

Replacing Damaged Boards Before You Stain

New boards do not take stain the same way weathered ones do, so replace damaged pieces first and give new pressure-treated lumber time to dry out before staining. In Las Vegas heat that drying happens faster than in humid climates, but test anyway: sprinkle a few drops of water on the board, and if they soak in, the wood is ready.

3. Clean the Surface Thoroughly

Power wash at 1,200 to 1,500 PSI to remove dirt, mildew, and old stain. Allow the wood to dry completely — at least 48 hours in Las Vegas's dry air. Never stain damp wood. Check dryness by pressing a paper towel to the surface — no moisture transfer means you're ready.

Using a Wood Brightener After Washing

Cleaning and stripping old stain can leave wood looking dark and blotchy. A wood brightener, usually oxalic-acid based, restores the natural tone and neutralizes stripper residue so the new stain absorbs evenly. Rinse thoroughly and protect nearby plants, block walls and stucco from overspray while you work.

4. Sand if Needed

Sand with 60 to 80 grit sandpaper if the surface is rough, splintered, or has raised grain. Sand with the grain, not against it. Decks benefit from sanding more than fences do — the horizontal surface takes more foot traffic wear.

5. Apply the Stain

Use a high-quality UV-resistant stain rated for high-sun environments. Recommended brands: Cabot, TWP, and Armstrong Clark. Apply a second coat while the first is still tacky for better penetration and longer life.

Semi-Transparent vs. Solid Stain in Desert Sun

Semi-transparent stains show the grain and fade gradually, while solid stains behave more like paint and can peel when they fail. More heavily pigmented stains hold up better against UV than clear or lightly tinted products. Choose one type and stay with it, since going from solid back to semi-transparent requires stripping.

Masking Block Walls and Stucco Next to the Fence

Many valley yards combine wood fencing with block walls and stucco. Mask the block and stucco edges before staining, because penetrating stain wicks into porous masonry and is very difficult to remove. Drop cloths along the base also keep drips off concrete, pavers and decorative rock.

6. Allow Full Cure Time

Stain is dry to the touch in 4 to 6 hours but needs 24 to 48 hours before replacing furniture and 72 hours before heavy use. Keep sprinklers off for at least 72 hours after application.

Planning the Next Restain

Set a reminder about two years out and check the wood each spring: when water stops beading on the surface, it is time to recoat. A maintenance coat over sound stain is far less work than stripping a failed finish. Our carpentry, deck and fence work and summer maintenance tips cover the rest of the yard.