It was very exciting fitting the roof boards to the rafters. The OSB boards were somewhat distorted and twisted so I had to sit on top pressing them flat whilst screwing them down.
No concern was given to the front and back edge as I was planning on running a saw down the entire length later. But they had to be fitted nicely onto the rafters and each fitted perfect snug up to the last. Our spacing was spot on.
To located the middle rafter which was always hidden we measured back 2ft from the edge of the OSB and set a chalk line. This showed us exactly where to fix the screws and worked great.
Before we knocked off we stretched out our rubber roof cover and clamped if down around the edges. This was done mainly to pre stretch it prior to installation and also to help keep out the rain.
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