Daylighting is the use of natural light as a main illumination source from a myriad of glazing devices in both vertical and horizontal positions within a building.
It is not uncommon for a commercial roofing contractor to have the “what to do after we leave” discussion with his building-owner client. It is not uncommon for a low-slope roofing warranty to include language that spells out what the building owner can and cannot do on top of the new membrane.
Shenandoah, Pa., was once a bustling mining town in the eastern mountain valleys of Pennsylvania, but when the coal industry began to decline after World War II, many residents left
