Conservation joinery combines expert craftsmanship with modern technology to produce a window that will perform at every level. We use the Schlegel Q-LON weatherseal system to ensure our windows are weather-proof in all conditions.
Q-LON Weatherseal is designed to cope with the extreme variations of temperature that we can experience in this climate. As window structures expand and contract due to changes in temperature, Q-LON is designed in such as way that it continues to flex with the window and thereby maintain the seal.
Pile weatherstripping takes on a permanent set when compressed and therefore cannot maintain its seal, leading to penetration by noise and elements. Q-LON's superiority over brush pile is that it does not lose its flexibility even when accidentally hit with paint.