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

The FAKRO Under Felt Collar Insulation Set - XDP 04 (660 x 1180mm) is an essential product for ensuring proper insulation around roof windows. This set includes a breather membrane collar and high-quality insulation made from specially impregnated sheep wool, which is natural, eco-friendly, and gentle on the skin. Designed to reduce thermal bridging, it fills the space between the window and roof construction elements, providing a perfect fit and superior insulation. The insulation is easy to cut and form, making the installation process straightforward and efficient.

• Size: 660 x 1180mm
• Weight: 1.78 kg
• Applications: Insulation for roof windows
• Material: Specially impregnated sheep wool
• Eco-friendly and natural
• Easy to cut and form
• Reduces thermal bridging