Drywall putty—also called spackle or wall repair paste—fills and smooths small surface flaws so paint looks more even.

• Fills nail/screw holes, dents, and hairline cracks.
• Levels rough spots so you can sand to a flush finish.
• Preps for paint—many formulas are paintable and some include primer.
• Signals dry time—select options may change color as they dry.

Use a putty knife or built‑in applicator, apply thin layers, allow each coat to dry, then sand lightly. It’s intended for cosmetic repairs on drywall or plaster and is not a structural fix. For larger openings, pairing putty with a self‑adhesive patch can help. Always follow the product label for surface compatibility, dry times, and ventilation.

They’re related but used a bit differently.

• Drywall putty/spackle: Great for quick fixes—nail holes, small dents, and minor cracks. It’s usually lightweight, dries relatively fast, and sands easily.
• Joint compound (“mud”): Designed for embedding tape and finishing seams over larger areas. It may require multiple coats and longer dry times, and it’s formulated to feather out smoothly.
• Patching plaster/water putty: Often used on plaster or deeper repairs; sets hard and may be tougher to sand.

Choose based on repair size and surface. For small repairs, spackle is often the simpler route; for taping seams or wide patches, joint compound is commonly used. Check the item page for notes on indoor/outdoor use, paintability, and recommended applications.

Here’s a simple approach that can help speed things up:

1. Clean the area. Remove loose paint and dust so filler adheres.
2. Pick a fast option. Small hole fillers or quick‑dry spackles can reduce wait time. Some turn from pink to white when dry.
3. Fill and smooth. For nail holes, apply, scrape flush, and let dry. For 1–4″ holes, place a self‑adhesive patch first, then spread filler, feathering edges.
4. Lightly sand. Once dry, sand smooth and wipe away dust.
5. Paint. Spot‑prime if needed to avoid flashing, then touch up.

Dry times vary by product, coat thickness, and humidity, so allow for what the label recommends. You’ll find individual fillers and complete wall repair kits online with convenient pickup or delivery options in many areas.

Match the filler to the hole size and surface:

• Pinholes/nail holes: Lightweight spackle or small‑hole applicators for quick touch‑ups.
• Up to about 1/2″: All‑purpose or lightweight spackle in thin coats; allow proper dry time between layers.
• About 1–4″: Use a self‑adhesive patch plus an all‑purpose filler; feather edges for a smooth blend.
• Larger or deep voids: May require a backing support or multiple build‑up coats; consider consulting a pro for extensive damage.

For plaster or wood, look for products labeled for those surfaces (e.g., patching compounds). In moisture‑prone spots, choose fillers specified for those environments and pair with appropriate paint. Always follow the product’s instructions for surface prep, dry time, and sanding.

Most spackles are paintable, but a quick primer step often helps the patch blend under light. Unprimed areas can absorb paint differently and show “flashing.”

• Sand smooth and wipe off dust for better adhesion.
• Spot‑prime the repair, especially on fresh or porous patches. Some fillers include primer; even then, a light prime may improve sheen uniformity.
• Allow full dry time per the label before priming or painting.
• Test a small area in good lighting to gauge blend.

If you prefer fewer steps, look for repair pastes that combine filler and primer. Product pages typically list dry times and paint readiness, which can help you plan the job.