The Velux BDX MK04 2000 Insulation Collar is a high-quality aluminium unit designed to fit around roof windows, providing insulation for the roof space. Manufactured in Denmark by the reputable brand VELUX, this 78cm x 98cm collar is a single pack item in a sleek grey colour. Perfect for maintaining the temperature in a roof space, this insulation collar is a practical and durable solution for any home improvement project involving roof windows. Collection only due welcome northfield Birmingham b311al
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