Annex Backyard Office

The Annex is our simplest backyard home office. An effective simple structure where you can get work done. We have stripped out the unnecessary to be able to deliver what you need quicker and more effectively. The Annex comes with a single 6 foot lockable patio door in the middle of the main wall to let in plenty of light. External cladding is divided between metal siding to give a modern look and LP siding to breakup the shape and fit easily into your yard.

Annex Backyard Office design elements

The Annex Backyard Office is the one we have kept as simple as possible. This allows us to keep the cost down and speed of delivery up. Annex offices are delivered as prefabricated flat packs ready to be assembled. So, there is minimum cutting or painting on site. Less noise, disturbance, dust, and waste.

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Canadian weather is tough, a challenge of temperature extremes, high and low humidity, rain, hail, snow, and wind. You need to be able to protect against all these elements. To do that we use LP SmartSide for our cladding, it is a super tough, super popular siding material used by many homebuilders. Walls and corners are capped with sheet metal, the same as used for metal roofs so the rain and weather runs off them. Under the cladding we wrap the building using an adhesive membrane and all joints sealed with sealant to ensure we have a tight building envelope and no drafts.

The roof is metal clad and white. A bad hailstorm may add the odd dent but that’s it. And the white paint in summer is there to reflect heat helping to keep things cool. Winter days are kept in check with effective insulation, minimum R22 Rockwall in the floor and walls, with the roof being R30.

Delivery and Build process

We can deliver the Annex to almost any location. All of the demanding and messy work is done in our Calgary factory. So, our focus when we get to your backyard can be on getting things right. What does delivery look like?
– Day 1 we make sure the foundations are good and level, the skid goes in, next the walls and the roof.
– Day 2 First we install the interior panels, easier with nice big front opening. Next we install the front patio door, make sure it slides nicely.
– Day 3 is finishing interior, flooring and exterior, and then you can move in.

Doors and windows

To keep the Annex as they best value we can, the Annex backyard office comes in just one option for doors and windows and that is a 6 foot patio door with black trim. This means we only have one product to keep stock, saves space, time and cost.
If you are looking for customization then talk to us about our Yoho Backyard Office or the Jasper Backyard studio which we can fully customize for you.

Annex Backyard Office Details:

  • 12′ x 8′ layout gives plenty of work space at the same time as not needing a building permit
  • 6′ Triple glazed patio door to allow in plenty of natural light. Triple glazed because the additional cost is not that much and we want you to be comfortable all year round.
  • Hidden slopping (1:10) gradient metal roof.
  • Roof and ceiling is 4inch white insulated metal panels with R30 insulation with a 2 to 4″ overhang at the back
  • Outside Walls are clad in LP SmartSide smooth panels, these can be painted in our standard colours or on request your own choice of colours.
  • Outside Walls are topped with 4 inch black metal flashing
  • The exterior walls are finished as board and batten with battens every 24″, this gives a nice detail to the backyard office
  • Insulation is Rockwool R22 for walls, floor and roof.
  • Framing is 2×6’s all-round with 16in framing for the floor skid Interior finish is white painted flat paneling
  • Interior wall corners have ¾” coving. 2.5” white trim around patio door and baseboards
  • Flooring is vinyl flooring with underlay

Options

  • Flooring upgrade to additional 1′ R5 rigid foam floor insulation with  5mm thick x 7 inch wide locking waterproof vinyl plank flooring – $1,280
  • Exterior paint, standard colour is white. Alternative paint colours are available – $180, let us know what you are thinking of
  • Electrical package – see electrical page
  • Ground-screws for installation on uneven ground or sloping locations to support structure $1,716

Materials

Prices are constantly changing this price is based on our standard material costs. If prices are above or below we will need to adjust appropriately.