How to make
A Narrow Backyard Shed
Page 6 of 7
Step 8. The vertical boards
On the side walls cut the vertical boards at a length long enough to tuck under the lower overhanging roof board [v] and run below the floor joists.
On the font and rear walls cut the vertical boards at a length long enough to be flush with the top of the raking roof and run below the floor joists. The tops of the boards will need to be cut on a 45° angle to match the rake of the roof.
Fix the 250x25 (1x10) vertical boards [r] to the wall frames beginning at the corners.
Nail all vertical boards [r] to the horizontal blocking [k] with 60mm (2 1/2") galvanized nails spaced approximately 75mm (3") apart including the nail that will be going thru the Batten. Leave a gap about the width of a nail shank between each board.
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Step 9. The roof flashing, rake board and rake cap
Cap the top roof boards with a piece of L-shaped galvanized flashing [w]
running the length of the ridge. Ideally the ridge flashing should be
wide enough to cover at least 100mm (4") along each plane (side) of the
roof. (See fig.2)
Cut 4 lengths of 150x25 (1x6) rake board [x] at 1800mm (6ft) long.
Make a 45° angle cut at one end and make a round cut at the other end on all 4 boards.
Fix the rake boards [x] to the tops of the vertical boards [r] at both front and rear gables. Ensure the top edges of the rake boards are flush with the top of the roof boards [v].
Add the 100x25 (1x4) rake cap [y]. Miter the top end of each length of rake cap at a 45° angle. The rake cap sits on top of the rake board [x] and covers the ends of the roof boards [v].
Step 10. The vertical battens and trim
Fix the 75x25 (1x3) vertical battens [s] over each vertical board join. Preferably, the battens should have a groove each side of the join to stop water being drawn in by capillary action.
Nail on the center line of the vertical batten, through the gap between the vertical boards and into the blocking. Overlap battens on each corner using 75x25 (1x3) batten on one side of each corner and
100x25 (1x4) trim on the other side.
Using one length of 100x25 (1x4) stock and one length of 75x25 (1x3) stock at each corner will give a balanced look.