A preservative finish is applied to the exterior of Mark's sheds and other constructions before it is delivered to your site. This is usually done using Barrettine Creocote which is an oil based preservative made for this purpose. Creocote is more user-friendly and less damaging to health and the environment than the original Creosote which is now a banned product. Creocote retains the same excellent wood preservative properties for which Creosote was famous. It is available in both a light and dark shade and complements the natural colour of the timber.

For customers who would prefer a coloured water-based treatment, this is also an option.