'A Present-day glass extension built with a far more conventional composition, like a metal body, but with floor-to-ceiling glazing and sliding or folding-sliding glazed doorways, is significantly less complicated, and any suitably knowledgeable household architect and structural engineer can assist, working with a glazing specialist or door supplier.' Be certain https://www.google.com/localservices/prolist?spp=Cg0vZy8xMXN5eXlyN3Rq&src=2&slp=UhUIARIREg8iDS9nLzExc3l5eXI3dGo