Whether you want to protect your auto from too much sun or too much rain and snow, the idea of building carport shelters will provide you with a quick and easy solution. Carport shelters can be thought of as being a lean-to with open sides, subsequently your main consideration should be what you intend to use for the roofing material, as this will have a bearing on the upright posts and framework that you use to support its weight.
So just what materials might you consider using? You could build brick-work posts to support the roof or buy custom made metal posts. However, you’re more likely to use timber posts as these are relatively inexpensive and quick and easy to work with. Subsequently you’re almost certain to use timber joists and rafters for the roof, which will ideally have some degree of pitch on it to aid draining.
A visit to your DIY store or online DIY merchant will reveal a wealth of possibilities as to the material you choose for the roof. You can use wood shingles or terracotta tiles if that’s in keeping with the building the carport shelter is to adjoin to.
However, this will increase the length of time it takes to complete the job. For a quick job fitting corrugated steel or plastic sheets is best, with using asphalt sheets also being a fairly quick method of roofing the carport.
The diameter of the carport shelter supporting posts you use will be determined by the load of the roof that they have to carry. So the following is only intended as a guideline, but is quite adequate for fitting corrugated plastic sheeting as the roofing material. You might need to check your local regulations as to what are permissible materials for carport shelters.
Carport Shelter Framing
Start by fixing the main posts along the outer edge of the carport shelter. Use something like 4 inch square timber cut to the required height, also allowing an extra two or three foot to set them with. The posts need spacing as regularly as possible at no more than 4 foot apart, before digging the holes in which to set them do think carefully how far away from the wall the carport shelter needs to extend.
If you’re restricted by space then obviously make this width as big as possible. Otherwise, you need enough space for the vehicle and to be able to at least open the driver’s door. Also, whilst a width of 9 or 10 foot might be OK now for your European hatchback – what about when you buy that big SUV or pick-up?
When you’ve fixed the positions for the posts they can be concreted into their holes, remember at least 2 foot deep and preferably three. When the posts are firmly set in place, screw a sturdy rafter on top of the posts and a baton to the wall, level with the rafter.
You can then add the joists from the baton to the posts. On top of the joists add furring strips to give the roof a slight pitch. Before proceeding to adding the roof treat all of the wood surfaces with a suitable preservative.
Adding the Roof
Apply two coats of cold pitch along the wall above the baton, joists and furring strips, keeping a straight and level line. Measure and mark the corrugated plastic sheeting allowing a bit extra for drainage and cut to size. If you’re adding guttering this extra bit needs to be an inch and a half but, if you just intend any water to run off the carport shelter allow at least 3 inches.
Position the sheets so that you’ll be and drilling through raised corrugations for screw fixing points. Arrange the sheets to overlap each other by at least two corrugations then screw them in place using vinyl washers. Finally, fit a flashing to the wall, use an adhesive one pressing the adhesive portion into the wall and the other into the corrugations.