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Treated Timber

Discover our treated timber products, engineered for enhanced durability and resistance to decay and pests. Ideal for outdoor and structural applications, ensuring longevity and performance.

Why Choose Halcyon?

Highly Rated

Our customer rate us excellent on Trustpilot, Google & other platforms.


We check our prices to ensure they are the best you will find.


We provide fast and reasonably priced shipping options.


We provide our customers with high quality expert advice and support.

Product Quality

Halcyon Timber is committed to delivering excellence in every aspect of its business, particularly when it comes to sourcing and supplying products. We offer only the highest quality products, ensuring that every item we sell meets our high standards.

By establishing strong relationships with reputable suppliers and employing stringent quality control measures, we guarantee that our clients receive products that are high quality, sustainable, and ethically sourced.

Product Range

We offer a range of high quality products catering to diverse construction and design needs. Our inventory includes premium timber, durable decking & flooring, stylish cladding, robust fencing, versatile sheet materials, and reliable screws & fixings.

Whether you’re a builder, architect, or homeowner, when you choose Halcyon Timber, you’re choosing a partner dedicated to providing the industry’s best products.


Treated timber is wood that has undergone a chemical process to enhance its durability and resistance to pests, rot, and decay. Using treated timber is essential for outdoor applications or in environments prone to moisture, as it significantly extends the wood’s lifespan and maintains its structural integrity.

es, treated timber is versatile and can be used for both indoor and outdoor projects. However, it’s crucial to choose the right type of treated timber for your specific application, as some treatments are specifically designed for outdoor use and may not be suitable for indoor environments due to potential chemical emissions.

Although treated timber is designed to be more durable, regular maintenance can extend its lifespan. For outdoor applications, periodically check for signs of wear or damage, apply a water-repellent finish, and ensure proper drainage to avoid prolonged moisture exposure. For indoor use, regular cleaning and avoiding direct contact with moisture will help maintain the timber’s condition.

Treated timber is safe for use in gardens and playgrounds, provided that the correct type of treated wood is used. Look for timber treated with non-toxic preservatives that are specifically labeled as safe for such applications. Always follow the manufacturer’s guidelines to ensure the safety of the environment where the timber will be used.

Treated timber is generally more expensive than untreated timber due to the additional processing it undergoes. However, the investment is often considered cost-effective in the long run, as treated timber’s enhanced durability and resistance to environmental factors reduce the need for frequent replacements or repairs, ultimately saving money over time.