METSEC SYSTEM - PURLINS/GIRTS/ACCESSORIES

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SECTION
D mm
DIM
A
DIM
B
DIM
E
DIM
F
142-262
21
19
42
44
302-342
22
20
52
55

Z-SECTION DIMENSIONS

The section reference of zed profile 342mm deep and 2.5mm thick = 342.Z.25. The first 3 digits of the section reference are numbers and indicate the depth of section in millimetres (ie 342 equals 342mm deep). The fourth digit is a letter that signifies the profile type (ie Z for Zed Profile). The last two digits are numbered and indicate the material thickness (ie 25 equals 2.5mm).

C-SECTION DIMENSIONS

The section reference of C-Section 342mm deep and 2.5mm thick = 342 C 25. The first 3 digits of the section reference are numbers and indicate the depth of the section in millimetres (ie 342 equals 342mm deep). The fourth digit is a letter that signifies the profile type (ie C for C profile). The last 2 digits are numbered and indicate the material thickness (ie 25 equals 2.5mm).
SECTION
DIM
A
LIP
L
142
43
13
172,202
43
14
232,262
43
16
302
53.5
18
342
53.5
20

Z-SECTION AND C-SECTION DIMENSIONS

SECTION REFERENCE
WEIGHT
KG/LIN MTR
Z + C
TOP FLANGE
DIMENSION
Z
BOTTOM FLANGE
DIMENSION
Z
FLANGE
DIMENSION
C
Z
C
142.Z.14.
142.C.14.
3.16
60
55
64
142.Z.16.
142.C.16.
3.60
60
55
64
142.Z.20.
142.C.20.
4.46
60
55
64
172.Z.14.
172.C.14.
3.60
65
60
69
172.Z.16.
172.C.16.
4.11
65
60
69
172.Z.20.
172.C.20.
5.10
65
60
69
172.Z.25.
172.C.25.
6.31
65
60
69
202.Z.14.
202.C.14.
3.93
65
60
69
202.Z.16.
202.C.16.
4.49
65
60
69
202.Z.20.
202.C.20.
5.57
65
60
69
202.Z.25.
202.C.25.
6.90
65
60
69
232.Z.16.
232.C.16.
5.11
76
69
76
232.Z.20.
232.C.20.
6.34
76
69
76
232.Z.25.
232.C.25.
7.86
76
69
76
262.Z.16.
262.C.16.
5.57
80
72
80
262.Z.20.
262.C.20.
6.92
80
72
80
262.Z.25.
262.C.25.
8.59
80
72
80
302.Z.20.
302.C.20.
7.89
90
82
89
302.Z.25.
302.C.25.
9.80
90
82
89
342.Z.20.
342.C.20.
8.84
100
92
97
342.Z.25.
342.C.25.
10.98
100
92
97


Z-SLEEVED SYSTEM
Roof purlins for buildings with 2 bays or more, up to and including 25° roof pitch.
The sleeved system optimizes the use of steel by incorporating sleeves at the penultimate rafter with a staggered sleeving arrangement on internal bays. The sleeved system caters for spans up to 15m depending on the load to be applied and where the cladding or liner tray offers adequate lateral support by virtue of its fixing, ie fixed according to the cladding manufacturers instructions. Consideration must be given to the handling of longer lengths. To enable the purlin and sleeve to nest together the sleeve is inverted.

 

Single Span System
Single span lengths can be supplied to suit individual requirements. Penultimate rafter connections are sleeved with a staggered sleeving arrangement on internal bays.

Typical single span arrangement indicating purlin and sleeve positions.

Double Span System
End bay purlins are single span, with double purlins on internal bays. The maximum span between rafters is 7.5m therefore maximum double span length is 15m. Consideration must be given to handling the longer lengths. A joint must always occur at a sleeve position.

Typical double span arrangement indicating purlin and sleeve positions.

Z HEAVY END BAY SYSTEM
Roof purlins for buildings with 5 bays or more, up to including 25° roof pitch.
The heavy end bay system invariably provides the most economic solution by utilising the benefits of the sleeved system but further maximising this by the use of lighter gauge purlins on internal bays.

Z BUTT SYSTEM
Roof purlins - Zed profile butt system suitable for buildings with single bays or more, up to and including 25° roof pitch.
The butt system offers a simple cleat connection and is intended for smaller buildings, short or uneven span or light loading conditions. The butt system caters for spans up to 12m.

Z METLAP PURLIN SYSTEM
For buildings of 4 bays or more, up to and including 25° roof pitch.
The new Metlap System with it's small, readily fixed lap joints offers excellent performance, particularly on long buildings with repetitive bays. It is particularly suited to high wind uplift conditions with the minimum number of sag rods and spans up to 14.5m.