Roof Mount Installation Guide
V1.3
Page 6 of 13
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prior to commencing installation.
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Rail Support Spacing – REGION B
Installation
PITCH
Edge
Central
Ridge
Single storey
1-10 (d<h)
300
900
300
1-10
(d>2h)
600
900
600
15
(d<h)
600
900
600
15
(d>2h)
600
1200
600
20
(d<h)
600
1200
600
20
(d>2h)
900
1200
900
25 (d<h)
900
1200
900
25
(d>2h)
1200
1200
1200
30-45
(d<h)
1200
1200
1200
30-45
(d>2h)
1200
1800
1200
Double storey
1-10 (d<h)
300
900
300
1-10
(d>2h)
600
900
600
15
(d<h)
600
900
600
15
(d>2h)
600
1200
600
20
(d<h)
600
1200
600
20
(d>2h)
900
1200
900
25 (d<h)
900
1200
900
25
(d>2h)
1200
1200
1200
30-45
(d<h)
1200
1200
1200
30-45
(d>2h)
1200
1800
1200
Triple storey
1-10 (d<h)
300
600
300
1-10
(d>2h)
600
900
600
15
(d<h)
600
900
600
15
(d>2h)
600
1200
600
20
(d<h)
600
1200
600
20
(d>2h)
900
1200
900
25 (d<h)
900
1200
900
25
(d>2h)
1200
1200
1200
30-45
(d<h)
1200
1200
1200
30-45
(d>2h)
1200
1200
1200