This article addresses the life cycle assessment of the materials normally used for window frames, highlighting their respective benefits and weaknesses. Frames of different materials have been assessed on the basis of their production, energy consumption and environmental impacts. It has been found that the embodied energy of the windows made of aluminium, PVC, Al-clad timber and timber, for a reference window.
Manufacturers of oriented strandboard and plywood claim both products work well. But using panels made of wood chips makes some builders nervous. Like it or not, osb will define the future of the structural sheathing market.