Location: Bibury, Cirencester
Type of property: Timber Constructed Carport and Roof Timbers of Unusual Garden Outbuilding
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Problem: During inspection, our surveyor found evidence of active Woodworm (Common Furniture Beetle/Deathwatch Beetle) on several structural timbers. Visual inspection noted clean flight holes and frass (dust). Common Furniture Beetle is a wood-boring insect that infests both hardwoods and softwoods, extending into the inner core. Eggs are laid in cracks, cornices, open joints and old flight holes in the timber. Damage occurs when the larvae become adults and bore holes through to the outside world. This damage is not normally structurally important as it is often confined the sapwood (softer outer layers), unless a component is composed entirely of sapwood or natural or animal-based adhesives have been used as these are highly susceptible to attack.
Works completed: A dual-purpose insecticidal spray was applied to all exposed timbers in the garden outbuilding and the timber constructed carport. We then drilled 12mm holes into the centre of the support beams every 300mm and injected dual purpose insecticidal cream. Drill-holes were concealed with dowels fixed in place. Timber treatments applied by Property Conservation Services are guaranteed for twenty years.
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