Please note that there is a 3-5 working day lead time for this product.

FAKRO Under Felt Collar Insulation Set - XDP 16 (550 x 1180mm) is designed to perfectly link your window to the roof system while providing excellent insulation around the window. This breather membrane collar and insulation set ensures proper, easy, and fast installation, reducing thermal bridging and enhancing thermal insulation. Made from specially impregnated sheep wool, it is natural, environmentally friendly, odor-free, gentle on the skin, and does not cause eye irritation. Its elasticity allows it to fill spaces between the window and roof construction elements seamlessly, providing superior insulation.

• Size: 550 x 1180mm
• Weight: 1.1 kg
• Applications: Insulating and linking windows to roof systems
• Material: Specially impregnated sheep wool
• Environmentally friendly and odor-free
• Easy to cut and form
• Reduces thermal bridging