Research and practice: Refurbishment of curtain wall facades – facelift or complete renovation?

Many owners of unrenovated buildings dating from the 1950s to the 1970s face the same problems: ever fewer tenants are willing to accept the substantial limitations due to poor building conditions. Furthermore, buildings built between 1950 and 1970 often have twice as high operating costs as new buildings. Rarely is a tenant willing to cover such costs if there is...