Gable pergolas have rafters that slope down on two opposing sides.
Modern gable roof pergola.
The 3d shadescape model pictured here is a pavilion style shelter the homeowners wanted it to feature a pergola style roof providing dapple lighting for their outdoor living space but with the look of a pavilion.
In general modern pergolas can be categorized based on roof design materials and functionality.
For roof designs there are two basic types gable pergolas and flat roof pergolas.
How measured and quoted.
This pergola is attached to the house and has a gable roof.
The top of this pergola is designed with a 12 overhang so the overall roof size is 14 x 14.
This garden pergola with a gable roof measures 10 wide x 12 deep x 13 tall.
Modern technology gives us roofs that can open up at the push of a button and close again.
This gives you more ceiling space and can create a more traditional roof look.
The gable rafters h are the same as the common rafters except they sit atop the front and rear headers so they need to be scribed to fit.
Parperbark a popular way to completely waterproof your gable roof pergola is to use a special polycarbonate core flute sheet infill within the gable pergola opening.
Roof spans are 8 21 larger than nominal size while post centers are 12 shorter than nominal size.
This particular design is attached to the house and wraps around the side of the property providing shelter and a place to hang out during summer.
It provides plenty of shade but also light because the roof is not completely opaque.
It will add beauty and shade to any backyard patio or garden.
The posts are made of wood painted in blue.
This is much more modern and cleaner looking than other methods.
The benefit of a louvered pergola is that you can change the roofing to allow in more light or provide more shade thanks to the adjustable mechanisms.
For example if you order a 12x14 size your roof span will measure 12 8 x 15 9 and your post centers will measure 11 x 13.
Tack a 2x4 to the end of the ridge beam and then align it with the header and in the same plane as the other rafters.
Scribe each end of the 2x4 to create a pattern for the other gable rafters.