Industrial-style steel frame windows have come a long way since the days of the drafty factory window, and they’ve become increasingly popular in high-end townhouse renovations. Their skinny mullions ...

After centuries of using wood for the development of window and door carpentry, the Rationalism of the 20th century began to adopt a new material for these purposes: steel. Driven by industrial ...

Structural applications of steel have long made use of elongated beams with carefully designed profiles, whose geometry gives them specific mechanical properties. Nowadays, the variety of cutting and ...