ActivWall’s Horizontal Folding Door is made of thermally broken aluminum with insulated glass for high energy efficiency. It is used to open up an extension of the living room to an adjacent screened porch, both of which were added to the home after the initial construction.

ActivWall’s Horizontal Folding Door is made of thermally broken aluminum with insulated glass for high energy efficiency. It is used to open up an extension of the living room to an adjacent screened porch, both of which were added to the home after the initial construction.