The second edition of modern construction envelopes was originally based on the two books by andrew watts modern construction roofs and modern construction facades both volumes were gathered into one single volume and consolidated in terms of content which permits the consideration of facades and roofs as envelopes using current examples by renowned architects watts presents the constructive and material related details this presentation is based on a text photos and standardized . Modern construction envelopes is based on the two books by andrew watts modern construction roofs and modern construction facades both volumes have been gathered into one single volume and unified in terms on content which permits the consideration of facades and roofs as envelopes this is of particular interest as to design and its creative freedom. Modern construction envelopes is based on the two books by andrew watts modern construction roofs and modern construction facades both volumes have been gathered into one single volume and unified in terms on content which permits the consideration of facades and roofs as envelopes. Modern construction envelopes is based on the two books by andrew watts modern construction roofs and modern construction facades both volumes have been gathered into one single volume and