Sky Lightport guides daylight into loft conversion rooms and provides controlled passive ventilation.  Models are offered with a clear roof dome or the Heritage Window, developed for use in conservation areas and fitted in lieu of the standard dome. Sky Lightports highly polished stainless steel inner rim deflects daylight into the room so you can enjoy extra natural light at the darkest parts of the day.  Available in two sizes, SL400 and SL500 (mm), the units feature the companys patented Adjustair, a manually controlled ceiling damper.  External assemblies for tiled, slate or flat roofs can be chosen and with all components packed in one carton there is less likely-hood of loss or damage once on site.