Today we finished our dormer windows. I found today quite challenging because i have never seen one of these been built before so i definitely didn't know where to start building it. once we had our first point things started to come together slowly but they didn't come without a bit of thinking. our start of point was the top of the ridge and we knew it was a 45 degree pitch so we just worked our way down from that. to get the height of the wall we took our overall height and took the halfspan and then took the height of the birdsmouth. Then we build the walls allowing for a window at the front.
After we made sure everything was level we pitched the roof and got the front level with the front plate because it was a gable end. As soon as that was done we cut the valleys and nailed them on then cut the ridge back to the valleys so we could run a trimmer from hip to hip and nail it in to the ridge. After we did that we realised that it would have been better to put the trimmer in first. next i cut the jack which had to be notched around the trimmer. Then we did the valley boards and all the other finishing bits.
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