CAMBRIA STEEL. 



85 



STEEL SHEETING. 



Weights given (U. S. Standard) are based on 480 Ibs. per cu. ft. 



Standard Flat and Corrugated Sheets furnished in lengths 48, 60, 72, 84, 

 96, 108 and 120 inches. 



Standard Flat Sheets in widths 24, 26, 28, 30 and 32 inches. 

 Standard Corrugated Sheets in widths as follows: 



Sheets should preferably be ordered in even ft. lengths to span 2 purlin spaces. 



End Lap: 



6 inches for Roofing, roof pitch 6 inches. 

 8 inches for Roofing, roof pitch 4 inches. 

 8 inches for Roofing, roof pitch less than 4 inches, when laid with slater's 



_ cement. 

 4 inches for Roofs in snowless climates and for Siding. 



Ridge Roll: No. 24 Gauge; 96-inch lengths; 3-inch end lap, standard diam- 

 eter 2K inches; apron 6 inches. 



Flashing: No. 24 Gauge; 30-inch lengths; 3-inch end lap. 



Corner Capping: 48-inch lengths; 4-inch end lap. 



FASTENINGS. 

 Straps: No. 18 U. S. Gauge Steel X-inch wide; 1 strap and 2 rivets- or bolts 



for each lineal foot of purlin or girts; 1 bundle (400 lin. ft.) straps weighs 



50 pounds; 1000 rivets weigh 6 pounds. 

 Clinch Rivets: Should clinch at least 1 inch; 2 rivets to each lineal foot of 



purlin or girt. 



Purlin leg 2 inches; 2^ to 3 inches : 3^ inches; 4 to 4^ inches. 



Length 4 inches; 5 inches; 6 inches; 7 inches. 



Number per pound 48 38 33 27 



Clips and Bolts: For fastening sheeting to purlins other than angle purlins 



when asbestos lining is used under sheeting. No. 16 steel slightly crimped. 



2 clips and 2 bolts for each lineal foot of purlin or girt; 500 clips in one box. 



Hole for bolt jV x 1". 

 Closing Rivets: &-inch diameter; $4, K, Hand %-inch lengths; 1000 = 6 Ibs. 



For side laps, 1 rivet for each lineal foot. For fastening flashing, etc., to 



sheeting, 2 for each lineal foot. 

 Nails: For fastening sheeting to wooden purlins: lOd. clinch nails for roofing, 



one for each lineal foot (for both end and sidelaps), 50=1 pound. 8d. clinch 



nails for siding, one for each lineal foot (for both end and side laps), 70 



= 1 pound. For sheeting on wooden sheathing in end laps and in the body of 



the sheets in rows about 3 or 4 feet apart, same as if purlins or girts occurred 



at these lines. For fastening flashing, etc., to wood use tinner's nails, 2 per 



foot. For fastening flashing, etc., to brick wall use 8d. nails, 2 per foot. 



