Most roofs require ventilation as it helps to prevent moisture from condensing, which can lead to problems such as damp and mould. Moisture can come from a number of sources such as weather, household activities such as cooking or drying clothes and leftover residue from building materials (if the building is new).
Additionally, improved modern insulation is great for keeping in the warm and reducing energy costs, but not great for regulating the roof temperature, which causes moisture to build. It is essential to find a balance in order to effectively control the property’s moisture levels.
What happens if a roof is not vented?
Without proper ventilation, warm, moisture filled air rises through a property and condenses when it meets the cold under-surface of the roof. This moisture can then cause problems such as mould and mildew, or cause structural damage and deterioration.
Why are roof vents made of lead?
Lead is an excellent material for roof vents as its durability means a lead roof vent will likely last with very little maintenance for many years, far longer than some other materials. The long-lasting properties of lead also make it a sustainable option.
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