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

The FAKRO Under Felt Collar Insulation Set - XDP 01 is an essential accessory for ensuring proper insulation around your roof window. This breather membrane collar and insulation set seamlessly links the window to the roof system, effectively filling the space between the frame and roof to reduce thermal bridging. Crafted from specially impregnated sheep wool, it is a natural and environmentally-friendly solution that is gentle on the skin and free from odors. Its elasticity allows it to be easily cut, formed, and installed, providing a perfect fit and excellent insulation.

• Dimensions: 550 x 780mm
• Weight: 1 kg
• Applications: Roof window insulation
• Material: Specially impregnated sheep wool
• Features: Natural, environment-friendly, odor-free
• Benefits: Reduces thermal bridging, easy to cut and form
• Additional: Gentle on skin, no eye irritation