Timber My Sashes
Timber is an excellent material for sash window construction. Wood is scientifically proven to provide very good thermal resistance i.e. it is a very poor conductor of heat, which in sash window construction is a good thing.
Timber is an excellent material for sash window construction. Wood is scientifically proven to provide very good thermal resistance i.e. it is a very poor conductor of heat, which in sash window construction is a good thing.