Sam Jenkinson, from garden building retailer Tiger, revealed: "Ventilation is essential in preventing wood rot in sheds as it helps to control moisture, which is a primary cause of wood rot, however, it often gets overlooked.
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Fungal growth hugely increases the likelihood of wood rot, so ensuring continuous air circulation and ventilation keeps the shed dry and prevents the environment from becoming too humid.".
Mr Jenkinson explained: "When applying your wood preservative, make sure your shed is completely dry as to not trap any moisture.
The final bit of advice was to "apply the wood preservative with either a brush or roller", and treating your shed should be a set date in your annual diary.