This roof-deck / covered patio is constructed of German Spruce, SA Pine, and Massaranduba decking.
The main beam sits in the wall at both ends and is supported by a galvanized steel post. The joists are bolted to the beam and fixed to the walls with steel dowels and epoxy. A tongue and groove Ceiling is then installed above the joists. A torch-on waterproof membrane is then applied.
The substructure which supports the decking is treated South African pine. It is treated further with a brush on bitumen paint from ABE. This provides further protection against water damage and also conceals the light coloured pine so that it is not seen between the Massaranduba decking.
Massaranduba decking is a hard wearing hardwood that has very little movement. It requires very precise cutting and fastening. Every screw is fixed into a pre-piloted and countersunk hole that was carefully placed along a chalked stringline.
The handrail and balustrade are yet to be completed and will be constructed of Larch, a softer blonde wood that has excellent resistance to weather.
The staircase will be added on the right hand side parallel to the gutter shown in the photo.
At the client's request, we will not continue the project until mid April. I will post an update when it is completed.
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