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

The FAKRO Under Felt Collar Insulation Set - XDP 11 (1140 x 1400mm) is an essential component for integrating your window with the roof system, ensuring optimal insulation around the window. This set includes a breather membrane collar and insulation made from specially impregnated sheep wool, which is natural, environmentally friendly, and gentle on the skin. The insulation set is designed to fill the space between the frame and the roof, effectively reducing thermal bridging and ensuring a proper, easy, and fast installation. Its elasticity allows it to be easily cut and formed, making it perfect for creating a snug fit around the window, thus enhancing thermal performance and comfort.

• Dimensions: 1140 x 1400mm
• Weight: 2.06 kg
• Applications: Provides insulation around the window, reduces thermal bridging, and links the window to the roof system