The following Preservation Technology Dossiers have been made available for free by ISC/Technology:
– Dossier 1: Curtain Wall Refurbishment
– Dossier 2: The Fair Face of Concrete
– Dossier 3: Reframing the Moderns
– Dossier 4: Wood and Modern Movement
– Dossier 5: Modern Colour Technology
– Dossier 6: Stone in Modern Buildings
– Dossier 7: Technology of Sensations

You can access all the public dossiers here.