Table of Contents
Introduction and lumberAny of the framing wood. requirements
This arborA shelter of vines or branches or of latticework covered with climbing shrubs or vines. A walk through Garden structure that can support plants and generally complements the landscape. is a solid construction consisting of 100×100 (4×4) posts concreted into the ground, 100×50 (2×4) rafters and 50×50 (2×2) laths.
The overall height is 2200mm (88″) although that can be changed to suit, and the footprint (overall area on the ground) is 1100mm (44″) x 700mm (28″).
The pitch (angle, slopeSee fall.) of the rafters (off horizontalParallel to the horizon, flat, level.) is 18.4°.
That is: a rise of 1 in 3 (or 1/3) which means that the rafters rise 1 unit of measurement for every 3 units of measurement along the horizontal planeA flat surface extending infinitely in all directions (e.g. horizontal or vertical plane). Any flat, two-dimensional surface. (run).
In the United States the pitch is given in inches, with the run (horizontal plane) being 12 inches and the rise being a ratio of that. In this case, the slope of the rafters
would be given as 4″ of rise over 12″ of run, which is still the same thing as a rise of 1 in 3 or 18.4°.
Note: There is another similar plan with a 45° top if you prefer a steeper roof. To see click here
Lumber requirements
Use lumber suitable for exterior use. Either smooth (dressedSurfaced; planed; smooth; even surface; gauged., surfacedSee Dressed.) or rough woodTimber, lumber. The hard fibrous lignified substance under the bark of trees can be used. It is just a matter of personal preference.
You will need….
– 4 of: 100mm x 100mm (4″x4″) posts 2400mm (8ft) long.
– 2 of: 100mm x 100mm (4″x4″) beams 1000mm (40″) long.
– 2 of: 100mm x 100mm (4″x4″) blocks 500mm (20″) long.
– 3 of: 75mm x 25mm (1″x3″) rafterStructural member of a roof that supports the roof load and runs from the ridge to the top of the side walls. braces 600mm (24″) long.
– 6 of: 100mm x 50m (2″x4″) rafters 900mm (36″) long.
– 14 of: 50mm x 50mm (2″x2″) laths 1000mm (40″) long.
– 16.5m (55ft) of 25mm x 25mm (1″x1″) square stopThe part of the plywood wall panels that overlaps the door and window frame, and protrudes into the door or window area and covers any gaps between the door/window and the surrounding frame. It acts as a stop for the door and also stops the rain getting in. to hold the latticeFramework consisting of an ornamental design made of strips of wood or metal. A framework of crossed wood or metal strips. panelA sheet that forms a distinct flat and rectangular section or component. A transparent panel used to fill a framed section of a window. in.
– 2 lattice panels approximately 1550mm x 500mm (62″x20″).
I just completed the Arbor with the pitched roof.
Really pleased with the final result, is being used as entrance to the garden from yard / shed area.
Over time the hedge will grow around it.
Working on this type of project for the first time and with no previous carpentry experience,
it took a few hours over several weekends, with help from my Dad. Made with treated pine and stained as a finish.
Only subtle change were the lattice panels, I used 45 degree angles rather than 90 degrees.
Thanks for the plans, now eyeing up the Adirondack Chair.
Andrew S