Kooltherm K107 is an advanced pitched roof insulation board with excellent thermal performance. Suitable for use in tiled or slated pitched roofs, dwarf walls, attic floors, dormer windows and flat ceilings. The insulation boards are perfect for insulating your roof and can be simply retrofitted when converting an attic where re-roofing is not needed. The boards are easy to cut and handle, ensuring an efficient installation process. They can easily be trimmed to size to suit rafter spacings.