Project Timber Hobbyist - Page 13

For OSB Roof Sheet ONLY
Purlin fixing
Secure in place the purlins
with 100mm screws
Front
Back
100mm
Screws
Pilot drill holes
before fixing
Purlin Position
The distance 879mm
or 1172mm is the
width of a Roof Sheet.
Measure from the
framing to the
centre of the Purlin
View from Rear
879mm or 1172mm
Purlin fixing
Back
4mm
30mm
Screws
Pilot drill holes
before fixing
Position and fix in
place the purlin to the
wall panels.
Back
Panel
Purlin
4mm
OSB Roof fixing
Position the OSB roof sheet to the
top of purlin and wall panels
Back
Front
OSB Roof fixing
Fix the OSB roof sheet
to the purlin and
wall panels
Back
30mm
Nails
OSB Roof fixing
Fix the eaves purlin
to the roof sheet
30mm
Nails
19
22
23 24
20 21