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Timber Care

Caring for your timber building

Wooden structures in outdoor spaces—whether it’s a shed, garden room, summerhouse, decking, fences or garden furniture, add warmth and beauty to your garden. However, timber exposed to the elements requires regular care and maintenance to ensure its longevity and preserve its aesthetic appeal. Without proper attention, outdoor timber can deteriorate over time, suffering from weathering, discoloration, rot, and insect damage. Fortunately, with the right care, you can keep your everything looking great and performing well for many years. Here’s a guide on how to care for your outside timber products.

Cleaning

The first step in caring for outdoor timber is regular cleaning. Dirt, debris, and moss can build up on the surface, making it look dull and potentially promoting the growth of mould and mildew.
• Use a brush to sweep away loose dirt, cobwebs etc. For a deeper clean, lightly wash the timber with warm water and mild detergent using a soft-bristle brush. If you’re dealing with moss or algae, you may need a specialised timber cleaner or a solution of water and white vinegar.

Weather Protection

Outdoor timber is vulnerable to moisture, sun, and temperature fluctuations, which can cause wood to crack, warp, and fade, your timber doors may contract and expand with the temperature fluctuations in Spring and Autumn.

To protect your timber from the elements, consider the following:

  • Seal and Stain – Apply a high-quality wood stain, paint or sealer, if it’s your garden building you are treating, please ensure the stain is specifically for sheds and NOT for rough-sawn timber. The treatment will create a protective barrier against UV rays and moisture. Choose a stain designed for outdoor use that is water-resistant and helps prevent cracking and fading. For added protection, opt for a penetrating oil-based stain that nourishes the wood whilst being water-repellent. This also applies to TANALISED timber.
  • Reapply Regularly: Even the best protective coatings wear over time. Reapply your sealant, paint or stain every 1-3 years depending on the type of wood and exposure to the elements. Check the surface regularly—if water no longer beads up when it rains, it’s time for a re-coat.
  • Preventing Rot and Insect Damage: Wooden structures exposed to moisture are particularly prone to rot, while insects can sometimes cause significant damage if left unchecked. To prevent this:
  • Use Pressure-Treated (Tanalised)Timber: Pressure-treated wood is ideal for structures that will be in constant contact with moisture, such as decking and fences, and sheds.
  • Inspect Regularly: Examine your outdoor timber for signs of rot or insect infestation. Soft, spongy areas, holes, or powdery wood are often signs of damage. If you notice any issues, address them promptly by either repairing or replacing the affected sections.
  • Order bearers with your building thereby elevating the timber off the ground: By using bearers, the floor, the main component of the building that may rot, is lifted off the ground, allowing an airflow under the building, therefore it will not absorb the damp. Bearers are tanalised timber posts.

Sanding

Over time, the surface of your outdoor timber can become rough, weathered, or scratched. Regular sanding and refinishing can help restore its smooth appearance and keep it in good shape.

  • Sanding: If your timber surface feels rough or uneven, use medium-grit sandpaper to smooth it out. For a finer finish, follow up with fine-grit sandpaper. Sanding will also remove any old finishes that may have deteriorated.
  • Refinishing: After sanding, apply a new coat of stain or protective sealer to restore the timbers colour and protective layer. Choose a product designed for exterior use to ensure maximum protection against the elements, if using paint, we recommend and use Thorndown Paints, which are available online.
  • Regular Inspection and Maintenance: To keep your outdoor timber building or structure in top condition, schedule regular inspections. Look for signs of wear, damage, or any potential issues that could become bigger problems down the line. Early intervention can save time and money on repairs.
  • Look for Signs of Wear: Check for warping, splintering, cracking, or discoloration, which may indicate the need for sanding, sealing, or refinishing.
  • Re-secure Loose Fasteners: Over time, screws, nails, or bolts used in timber structures may loosen. Tighten any loose fasteners and replace damaged ones to maintain structural integrity.

Conclusion

Caring for outside timber is an ongoing process that pays off in the long run. By cleaning, sealing, and regularly inspecting your timber building or any other timber structure, you can protect them from the damaging effects of weather and pests. With the right maintenance, your outdoor timber structure will continue to enhance your space, providing both beauty and functionality for years to come. Whether you’re looking after a wooden deck, fence, or furniture, following these simple care tips will ensure your timber stays in great condition, no matter the season.