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Cavity & insulation fittings

View our range of cavity & insulation fittings, ideal to help fill cavities in walls, floors, and ceilings. Cavity insulation can help to reduce heat loss and improve energy efficiency by preventing warm air from escaping and cold air from entering. B&Q has a range of accessories to help you successfully complete your insulation project, no matter the scale.

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Cavity & insulation fittings

View our range of cavity & insulation fittings, ideal to help fill cavities in walls, floors, and ceilings. Cavity insulation can help to reduce heat loss and improve energy efficiency by preventing warm air from escaping and cold air from entering. B&Q has a range of accessories to help you successfully complete your insulation project, no matter the scale.

21 products

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