Build a A roof that covers a driveway or other parking area, it does not have a door in the manner of a garage. A garage for one or two cars consisting of a flat roof supported on poles.. This single carport is free standing, I.e., it is not attached to any other structure. It is 6000mm (20ft) long by 3000mm (10ft) wide. It is the most basic of carports.
Because each site is different, and individual preferences vary, we have given options for see PILE installation and options for bracing.
The frame is made of Timber, lumber. The hard fibrous lignified substance under the bark of trees. The roof has a minimal Of roof; Pitch; The incline angle of a roof surface.. The roof cover can be plastic Polyvinyl chloride. A common thermoplastic resin, used in a wide variety of manufactured products, including rainwear, pipes, garden hoses, phonograph records, and floor tiles., tin or other metal. Choice of roof cover could well be decided by the type of conditions that the carport is likely to confront.
These plans make no allowances for extreme conditions.
Is your area subject to frosts? Find out the depth of the frost line and if applicable check to see if the footings require any special consideration. Usually the bottom of the footings should be below the frost line to prevent movement.
Check with your Local Authority to see what plans, permits, consents etc may be required to erect such a structure.
Wood sizes and measurements
The measurements throughout this project are given in both Millimeter measurements. (Abbreviation for millimeter which is a metric unit of length equal to one thousandth of a meter. 25.4 mm equals one inch.) and Standard/Imperial inches.
The metric measurements (mm) are given first followed by the Standard. Feet and inch measurements. measurements (inch) in brackets (). For example 150mm x 50mm (2″ x 6″).
In the above example 150mm x 50mm means wood that is 150 millimeters wide by 50 millimeters thick.
And the equivalent in standard…
2″ x 6″ means wood that is 2 inches thick by 6 inches wide.
The wood used for this project can be either Rough sawn; Not gauged, planed or dressed. (rough sawn) or Surfaced; planed; smooth; even surface; gauged. (See DRESSED., See Dressed., smooth finish). The measurements given throughout this project are for sawn wood.
If dressed wood is preferred, make allowances for the difference in wood thickness and width.
Use a wood suitable for in-ground applications for the posts and use a wood suitable for exterior applications for the rest of the carport structure. Any Any of the framing wood. merchant or supplier will be able to advise on the types of wood most suitable.
Identifying the members
(a) Posts 100mm x 100mm (4″ x 4″)
(b) Beams 200mm x 50mm (2″ x 8″)
(c) End rafters 200mm x 50mm (2″ x 8″)
(d) Rafters 150mm x 50mm (2″ x 6″)
(e) Blocks, see Block. 150mm x 50mm (2″ x 6″)
(f) Covered with a protective coating of zinc. bolts
(g) One of a series of parallel members used to support the floor. Part of the framing that provides the structure for a floor. Hangers
(h) Galvanized Angle Bracket
The height of a carport is in most cases, common sense. A tall person should be able to walk comfortably under the lowest end of the carport. 2100mm (7ft) from the finished ground to the underside of the lowest Rafter each end of the roof frame., is a good height.
The roof See fall. (fall) should be at least 100mm (4″).
If using a clear PVC roof, then a steeper slope is advisable, as a steeper fall means faster water run-off, and therefore a cleaner roof.
The plans show a flat plan “bird’s-eye view” and an Side view of a building. (side) plan giving all Any of the three linear measurements, length, breadth and depth.. Refer to these plans for any required measurements throughout the project.
The carport is a 6000 mm x 3000mm (20ft x 10ft) Four-sided figure with four right angles..
Mark out the four corners, and erect wood profile boards (Profiles;Horizontal boards attached level to stakes, used to mark out the boundary of a construction and establish the levels and building line.) out from each corner and also out from the middle to take in the two center posts. How much the teeth are angled out on a circular saw blade. the profile boards (batter boards) back at least 600mm (2ft) from the The outline of a building. (carport boundary.) to allow room for hole digging etc.
For instructions on setting the Batter boards; Horizontal boards attached level to stakes, used to mark out the boundary of a construction and establish the levels and building line. go to https://www.buildeazy.com/plans/helpfiles_profile.html
The building line (in this case) is the perimeter of the carport (the very outside edge). It is a 6000 mm x 3000mm (20ft x 10ft) rectangle.
The posts however, will need to be off-set in from the building line, 50mm (2″) in from the sides and 300mm (12″) back from each end (front and back).
Use string lines (attached to the batter boards) to make a rectangle that will determine the post positions.
As mentioned, the posts will be off-set 50mm (2″) in from the sides of the building line, and 300mm (12″) back from the ends (front and back) of the building line,
thus, the A slightly elastic string stretched between two pegs and used as a guide line. Determines the building line. should form a rectangle 5400mm x 2900mm (18ft x 9ft-8in).
Installing the posts
Method 1. Post set in A mixture of sand, gravel, water and cement which hardens to a stone like condition when dry.
Dig post holes 300mm (12″) square by 600mm (24″)deep. Place 100mm (4″) of concrete into the bottom of every hole.
Commence putting the posts in the holes against (but not touching) the string line.
Using a spirit-level on both a front and side The widest side of a piece of wood., check that each post is Vertical; Upright. (Plumb, upright.) and almost, but not quite, touching the string line.
Fill the hole with concrete to within 50mm (2″) of the finished ground level.
Check again that the post is plumb and not quite touching the string line.
Because of the depth of the hole, the concrete will support the post without the need for bracing, providing of course that the concrete mix isn’t too runny and there isn’t a gale blowing.
Continue until all posts are concreted in.
Method 2. Galvanized post brackets set in concrete
Dig post holes 300mm (12″) square by 600mm (24″) deep. Fill the holes with concrete and set the brackets in position while the concrete is still soft. Ensure the brackets are at the right height, taking the finished Of concrete; used for garages, and basement floors. (carport floor) into consideration. Some temporary packing, props or bracing may be needed to support the brackets until the concrete stiffens up. Wait until the concrete has cured (usually at least four days) and then install the posts plumb (vertical) in the brackets and hold in place with temporary bracing.
Method 3. Galvanized post brackets bolted to existing concrete slab
To secure with nails or screws. the brackets to the slab, in position with masonry bolts or anchors. Install the posts plumb (vertical) in the brackets and hold in place with temporary bracing.
Trimming the posts
Mark the rear posts a minimum of 2300mm (7′ 8″) above the slab, or finished ground level. Ensure the height marks on both rear posts are level. Use a spirit-level on a straight edge to achieve this or a water level. For instructions on how to make and use a water level go to https://www.buildeazy.com/waterlevel.php .
Mark the front two posts 100mm (4″) higher than the rear posts. Fix a string line between the front and back posts to mark the height of the middle posts. Cut the tops of the posts off at these marks.
The beams and rafters
Cut the two beams 6000mm (20ft) long with 45° miters each end and then clamp them in place to the posts so that the tops of the beams are Being even with. with the tops of the posts and protrude past both the front and rear posts by 300mm (12″).
Drill and A metal rod that has a head on one end and threads on the other and is used to fasten together lumber. The most common bolts used or referred to in projects within this website are coach/carriage bolts and hex bolts. the beams to the posts with 12mm (1/2′) Galvanized bolts, (two at each meeting).
Cut the two end rafters 3000mm long with 45° miters each end and fix them in place to the beams with 75mm (3″) Galvanized nails and then with Galvanized angle brackets, each bracket fixed with four 12mm (1/2″) Galvanized bolts, two through the A supporting member. and two through the Structural member of a roof that supports the roof load and runs from the ridge to the top of the side walls.. (See diagram).
Cut the six intermediate rafters 2900mm (9′ 8″) long and fix them in place to the beams with Galvanized metal joist hangers. Space the rafters at 900mm (3ft) centres (See CENTERS, On center; (See CENTERS)). Refer to the plan.
Finish off with a Running the length of the building. row of blocking down the middle in between the rafters.
If the posts are concreted into the ground, and the posts are bolted to the beams with two bolts at each meeting, then no further bracing should be required. If, however, the posts are not in-ground, but supported by Galvanized post brackets, then additional bracing is required. One such scenario is to fix upper post diagonal bracing (see diagram), two to each post, each about 900mm (3ft) long (more or less), and fixed to the post with A short nail with a large flat head used for securing roofing felt, plasterboard, sheet metal to wood etc. plates and fixed to the beam/rafter with bolts.
Another scenario is to fix full 100mm x 100mm (4″ x 4″) diagonal braces running from the bottoms of the middle posts to the tops of the end posts and secure with bolts, nail plates or Galvanized brackets at each end. A similar diagonal To make rigid. is also required between the two rear (end) posts. With this latter scenario, the diagonal braces could be replaced with diagonal trellis (Framework consisting of an ornamental design made of strips of wood or metal. A framework of crossed wood or metal strips.) between the two end posts and the end post and middle post each side (three panels in all).
Both bracing methods mentioned in this scenario also require roof A flat surface extending infinitely in all directions (e.g. horizontal or vertical plane). Any flat, two-dimensional surface. bracing to ensure the front of the carport is rigid. This can be 25 mm (1″) wide flat Galvanized metal strapping stretched from corner to corner and fixed with Galvanized nails to the tops of each rafter.
You can now apply your chosen roof.
Different types of roof will have different fixing instructions from the manufactu