Canadian transportation & distribution management . onstruction is Half the Roof STUDY these illustrations. They graphically show the succes-sive steps in the building-up of a Barrett Specification Roofover a concrete roof-deck. The Barrett Specification describes indetail the manner in which the roof shall be laid, because rightconstruction is just as important as the use of right materials. The Barrett Specification Roof for flat or nearly flat roofedbuildings, consists of several alternate layers of SpecificationPitch and Specification Felt, with a surface covering of gravel orslag. These m
Canadian transportation & distribution management . onstruction is Half the Roof STUDY these illustrations. They graphically show the succes-sive steps in the building-up of a Barrett Specification Roofover a concrete roof-deck. The Barrett Specification describes indetail the manner in which the roof shall be laid, because rightconstruction is just as important as the use of right materials. The Barrett Specification Roof for flat or nearly flat roofedbuildings, consists of several alternate layers of SpecificationPitch and Specification Felt, with a surface covering of gravel orslag. These materials are used because 60 years experiencehas proved— — that no other bitumen has the weather-resisting properties of this high grade pitch; — that no other kind of felt has the lastingtensile strength of this carefully selected felt; — that no other surfacing material rendersa roof so highly fire-resistant as gravel or slagwhich serves the further purpose of holdingin place the extra-thick poured top coat ofBarrett Specification
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublisherdonmi, bookyear1921
