Wooden furniture adds warmth, character, and timeless beauty to any space. However, due to natural expansion and contraction, cracks may appear over time—especially in dry climates or outdoor environments. The good news is that most wood cracks can be repaired at home with simple tools and proper techniques.
In this guide, we’ll walk you through how to fix small, medium, and large cracks in wooden furniture, and how to prevent them from coming back.
Step 1: Identify the Type of Crack
Before repairing, determine the size and cause of the crack.
- Hairline cracks: Very thin, surface-level
- Medium cracks: Visible gaps, not fully penetrating
- Large or structural cracks: Deep or widening splits
Understanding the crack type ensures the right repair method and long-lasting results.
Repair Small Hairline Cracks
Hairline cracks are usually caused by dry air and wood shrinkage. In many cases, glue is not necessary.
Method: Water Expansion Technique
- Use a dropper to apply clean water into the crack.
- Repeat once or twice daily for 5–7 days.
- Allow the wood fibers to naturally expand and close the crack.
- Once dry, lightly sand with 1500-grit or higher wet sandpaper.
- Wipe clean with a soft cloth.
- Finish with paint, wax, or wood oil.
✔ Best for tabletops, chair seats, and armrests.
Repair Medium Cracks
For cracks that are wider but not structural, filling is the best solution.
Materials Needed:
- Fine wood dust (preferably from the same wood)
- Wood glue or animal hide glue
- Sandpaper (800-grit and 1500-grit)
Steps:
- Mix wood dust with glue to form a thick paste.
- Press the mixture firmly into the crack.
- Allow it to dry completely.
- Sand smooth with 800-grit, then finish with 1500-grit wet sanding.
- Apply paint, stain, or wax to match the surface.
✔ This method blends naturally and avoids the glossy residue that super glue may leave.
Repair Large or Structural Cracks
Large cracks may affect furniture stability and require stronger reinforcement.
Recommended Solutions:
- Insert wood splines or wedges for added strength
- Use waterproof wood glue or epoxy, especially for outdoor furniture
- Apply glue from the underside if possible for better bonding
After drying, sand thoroughly and reseal the surface with outdoor-grade paint or oil.
If the cracks are extensive and repairing them would require a significant amount of time and effort, it may be more practical to invest in a new set instead. Jardina offers a wide selection of modern wood outdoor furniture at affordable prices, combining durability, style, and easy maintenance—so you can enjoy a fresh, worry-free outdoor space without the hassle of major repairs.
The 'Foristern ' collection defines the essence of contemporary outdoor design. The Foristern 8-Seater Dining Set blends minimalist elegance with functional design. Featuring a sleek rectangular acacia wood table and eight matching chairs, this ensemble embodies understated luxury with its smoke-white palette and precision craftsmanship. Designed for seamless outdoor living, the set balances modern aesthetics with lasting resilience.
The Mori new seating set brings the full experience with Wooden Furniture. It’s here to dial up your outdoor game—laid-back, luxe, and ready for spring and summer. Mori doesn’t shout—it vibes. With its soft rope weave detailing and brushed wood-look finish, this set blends earthy charm with a modern edge, all built on premium acacia wood.
The Sova Collection blends modern lines with the warm texture of eucalyptus wood, creating a serene, sophisticated, and comfortably inviting outdoor lounge space. Offered in rich teak finishes and paired with plush light-toned cushions, each piece brings understated contrast and everyday comfort to your patio. This Sova armchair further features a 360-degree swivel function for enhanced convenience—letting you effortlessly pivot to join the conversation or soak in the garden view. Pair it with a set of two round side tables (one large, one small), and you’ll have a perfectly curated setup for placing drinks, snacks, or a good book, turning your outdoor area into a cozy, functional retreat for relaxing and connecting with loved ones.
Thalea Harmony Conversation Set - The 'Thalea' collection defines the essence of contemporary outdoor design. Precision meets pragmatism in this balanced 5-seater composition. Anchored by the iconic three-seater sofa flanked by two sculptural armchairs, the ensemble revolves around our minimalist coffee table in harmonious proportion. The intentional absence of a loveseat enhances spatial poetry - our smoke-white palette visually expands smaller terraces while maintaining seating capacity. Every curved armrest and cushion welt aligns with neighboring pieces in quiet dialog, perfect for urban balconies and courtyard nooks where every centimeter counts. Thoughtfully scaled for daily use yet ready to impress.
How to Prevent Wood Cracks in the Future?
Preventing cracks in wood outdoor furniture is all about controlling moisture, sun exposure, and routine care. With the right habits, you can significantly extend the life and appearance of your furniture.
1. Seal the Wood Regularly
Apply a high-quality outdoor wood sealer, oil, or varnish at least once or twice a year. This helps regulate moisture absorption and prevents the wood from drying out and splitting.
2. Oil Hardwood Furniture
For woods like teak, acacia, or eucalyptus, use teak oil or hardwood oil every 3–6 months. Oiling keeps the wood flexible and reduces stress that leads to cracking.
3. Protect From Direct Sun
- Constant UV exposure dries wood quickly and causes surface cracks.
- Place furniture in shaded areas
- Use umbrellas or pergolas
Rotate pieces occasionally to ensure even sun exposure
4. Avoid Excess Moisture
While wood needs moisture balance, standing water is harmful.
- Wipe off rainwater after storms
- Ensure good airflow around furniture
- Avoid placing furniture directly on damp ground
5. Use Furniture Covers (Properly)
Breathable outdoor covers protect from sun and rain without trapping moisture. Avoid plastic sheets, which can cause condensation and lead to cracking or mold.
6. Store Furniture Seasonally
During extreme weather (freezing winters or long rainy seasons), store wood furniture in a dry, ventilated area. This prevents repeated swelling and shrinking cycles.
7. Tighten Hardware Gently
Loose or overly tight screws can stress the wood. Check hardware periodically and tighten just enough to keep joints secure.
8. Clean With Mild Products
Harsh chemicals strip natural oils from wood. Use mild soap and water, then reapply oil or sealer as needed.
Wood cracks are a natural part of aging—but they don’t mean your furniture is ruined. With the right repair method and proper protection, wooden furniture can remain beautiful, strong, and functional for decades.
If you’re unsure about the best material or finish, professional-grade outdoor furniture with proper sealing can save you maintenance time in the long run.
