. Asbestosteel for roofs and walls . ASBE^TOSTEEL BULLETIN NUMBER 5 4 PLACING THE SELF-PUNCH-ING CLIP RIVETS In the erection of an Asbestosteelroof, rectangularly corrugated Asbes-tos Protected Metal is laid directlyupon the purlins. No furring stripsare used. Self-punching clip rivetsare slipped over the steel purlins,then the Asbestos Protected Metal islaid on the points of the rivets anddriven through ^sith a riveting tooland the rivet is set up. The AsbestosProtected Metal is absolutely non-corrosive, its rectangular corruga-tions furnish maximum strength \Aithminimum weight of material. T
. Asbestosteel for roofs and walls . ASBE^TOSTEEL BULLETIN NUMBER 5 4 PLACING THE SELF-PUNCH-ING CLIP RIVETS In the erection of an Asbestosteelroof, rectangularly corrugated Asbes-tos Protected Metal is laid directlyupon the purlins. No furring stripsare used. Self-punching clip rivetsare slipped over the steel purlins,then the Asbestos Protected Metal islaid on the points of the rivets anddriven through ^sith a riveting tooland the rivet is set up. The AsbestosProtected Metal is absolutely non-corrosive, its rectangular corruga-tions furnish maximum strength \Aithminimum weight of material. Theunderside presents an imusually fineappearance. Indeed, any amount offinishing could scarcely improve thematte-white beanjed effect of theAsbestosteel. Furthermore^ this As-bestos surface is rendered permanentand imper\ious by impregnation ap-plied in the last stage of manufactureof the Asbestos Protected is the only light concrete roofin which all work is done from thetop-.
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Keywords: ., bookcentury1900, bookdecade1910, bookidasbestosteelforroofsandwa
