Untreated timber decays much faster than treated timber. The pressure treatment process creates a protective shield around the wood, making it suitable for outdoor use year-round, as it is safeguarded against rain, hail, and snow.

Untreated wood in moist or wet conditions tends to soften quickly, making it susceptible to fungi, bacteria, and other microorganisms that cause decay. Even minimal moisture can lead to fungal growth. The powerful preservatives used in pressure treatment have anti-fungal and anti-insect properties that penetrate deep into the wood, protecting it from environmental decay.

Pressure-treated timber requires minimal maintenance. Its resistance to insects, water, and fungi means there is little to worry about, making it a low-maintenance option for gardens and outdoor spaces.

While pressure-treated timber is initially more expensive than untreated wood, its broad spectrum of protection makes it more cost-effective in the long term due to its extended lifespan.

Despite being preserved with chemicals, pressure-treated timber has environmentally friendly qualities, primarily due to its longevity. The increased lifespan means fewer trees need to be harvested for replacement products. Additionally, the treatment process uses copper reclaimed from the recycling industry, reusing an element that would otherwise be discharged into the environment.

Pressure-treated timber maintains its natural beauty without needing multiple coats of paint or preservatives. This natural look is appealing to many homeowners and makes wooden products a popular choice for gardens. For those who prefer a more colorful display, the timber can be easily painted or stained after weathering, allowing coordination with garden colour schemes while maintaining the timber's deep protective layer.