Hsal - Vertical Slider Windows - Declan Buggy Doors and Windows - Kilkenny http://hsal.info/story.php?title=vertical-slider-windows-declan-buggy-doors-and-windows-kilkenny Designed to deliver all the benefits of high performance modern materials, the Vertical Slider is a cost effective solution for period style properties. The PVC-U Ovolo frames provide optimum strength, superior thermal protection and excellent weathering performance. Tue, 12 Jun 2018 17:49:08 UTC en