Houses built before World War I often have plaster walls and original “knob-and-tube” wiring, which was installed according to old, outdated electrical ... which makes mounting a box that ...

S-5!, a metal roof attachment manufacturer, had its PVKIT rail-less solar mounting system certified for UL 3741 compliance.

(Colorado Springs, Colo., — May 29, 2025) S-5!, the leading authority on attachment solutions for metal roofs, is proud to announce that its PVKIT ® rail-less solar mounting system has achieved UL ...