national roofing contractors association
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UL-38
· 24 GA. STEEL
· 22 GA. STEEL CLEAT
· CONTINUOUS FRONT FACE CLEAT AND
GASKETED BACK FACE FASTENER
COPING
OUTWARD
104 LBS./SQ. FT.
UPWARD
180 LBS./SQ. FT.
FABRICATION
INSTALLATION
3''
3
4
''
1
3
4
''
1''
3''
135°
8'' MAX
12'' MAX
3
4
''
1
2
''
3
4
''
24 GAUGE (0.024'' THICK)
GALVANIZED STEEL
CONFORMING TO ASTM A653
22 GAUGE (0.030'' THICK)
GALVANIZED STEEL
CONFORMING TO ASTM
A653
CONTINUOUS CLEAT
1 1/4'' LONG
GALVANIZED STEEL
ROOFING NAIL AT 6''
O.C.
CONTINUOUSLY HAND
CRIMP HEM OVER
CLEAT
COPING
1 1/2'' LONG GALVANIZED
STEEL HEX HEAD SCREW
WITH WASHER AT 18''
O.C.
CONSTRUCTION DETAIL C-1
THE NRCA ROOFING MANUAL
8/31/17
ANSI/SPRI ES-1
TESTED RESISTANCE
UL-39
CONSTRUCTION DETAIL C-1
· 0.040" ALUMINUM
· 0.050" ALUMINUM CLEAT
· CONTINUOUS FRONT FACE CLEAT AND
GASKETED BACK FACE FASTENER
COPING
THE NRCA ROOFING MANUAL
OUTWARD
127 LBS./SQ. FT.
UPWARD
220 LBS./SQ. FT.
FABRICATION
INSTALLATION
3''
3
4
''
1
3
4
''
1''
3''
135°
8'' MAX
12'' MAX
3
4
''
1
2
''
3
4
''
0.040'' THICK ALUMINUM
CONFORMING TO ASTM B209
(3003 OR 3105)
CONTINUOUS
CLEAT
1 1/4'' LONG GALVANIZED
STEEL ROOFING NAIL AT 6''
O.C.
CONTINUOUSLY HAND
CRIMP HEM OVER
CLEAT
COPING
1 1/2'' LONG GALVANIZED
STEEL HEX HEAD SCREW
WITH WASHER AT 18''
O.C.
0.050'' THICK ALUMINUM
CONFORMING TO ASTM
B209 (3003 OR 3105)
8/31/17
ANSI/SPRI ES-1
TESTED RESISTANCE
UL-40
· 24 GA. STEEL
· 22 GA. STEEL CLEAT
· CONTINUOUS FRONT FACE CLEAT AND
GASKETED BACK FACE FASTENER
COPING
OUTWARD
98 LBS./SQ. FT.
UPWARD
170 LBS./SQ. FT.
FABRICATION
INSTALLATION
3''
3
4
''
1
3
4
''
1''
3''
135°
5'' MAX
16'' MAX
3
4
''
1
2
''
3
4
''
24 GAUGE (0.024'' THICK) GALVANIZED
STEEL CONFORMING TO ASTM A653
22 GAUGE (0.030'' THICK) GALVANIZED
STEEL CONFORMING TO ASTM A653
CONTINUOUS
CLEAT
1 1/4'' LONG GALVANIZED STEEL
ROOFING NAIL AT 6'' O.C.
CONTINUOUSLY HAND
CRIMP HEM OVER
CLEAT
COPING
1 1/2'' LONG GALVANIZED
STEEL HEX HEAD SCREW
WITH WASHER AT 18''
O.C.
CONSTRUCTION DETAIL C-1
THE NRCA ROOFING MANUAL
8/31/17
ANSI/SPRI ES-1
TESTED RESISTANCE
UL-41
CONSTRUCTION DETAIL C-1
· 0.040" ALUMINUM
· 0.050" ALUMINUM CLEAT
· CONTINUOUS FRONT FACE CLEAT AND
GASKETED BACK FACE FASTENER
COPING
THE NRCA ROOFING MANUAL
OUTWARD
144 LBS./SQ. FT.
UPWARD
250 LBS./SQ. FT.
FABRICATION
INSTALLATION
3''
3
4
''
1
3
4
''
1''
3''
135°
5'' MAX
16'' MAX
3
4
''
1
2
''
3
4
''
0.040'' THICK ALUMINUM
CONFORMING TO ASTM B209
(3003 OR 3105)
CONTINUOUS
CLEAT
1 1/4'' LONG GALVANIZED STEEL
ROOFING NAIL AT 6'' O.C.
CONTINUOUSLY HAND
CRIMP HEM OVER
CLEAT
COPING
1 1/2'' LONG GALVANIZED
STEEL HEX HEAD SCREW
WITH WASHER AT 18''
O.C.
0.050'' THICK ALUMINUM
CONFORMING TO ASTM B209
(3003 OR 3105)
8/31/17
ANSI/SPRI ES-1
TESTED RESISTANCE
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