Image source: Timber Home Living Pros of trusses Installing rafters is not a DIY roofing project, whereas roof truss DIY kits are available. Finding craftsmen experienced with rafters can be difficult.
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Requires a professional - Since trusses are becoming more popular, more contractors are more experienced with installing them than rafters. Rafters, on the other hand, are built ahead of time, so they go up much quicker. Longer construction - Since rafters are built on-site and don't require any prior planning, they are more time-consuming. Cons of raftersĮxpensive - While rafters take less time to build and install, the wood and labor costs are typically more expensive than a roof truss system. Less lead time - Because rafters are made on the building site, they require less planning and work than roof trusses. Installing insulation with rafters is easier because of the space between the beams where the installation is installed between the rafters and the drywall. Insulation - With every roof, you'll want to make sure that your attic is properly insulated.
Rafters give you more open space and provide enough room for a loft or a master bedroom. More attic space - Rafters are perfect if you plan on installing any conversions to your attic to make it an active living space. The most basic roof truss is the King Post truss, which requires fewer materials, and costs less than the others. There are many different types of roof trusses where the webbing posts are arranged in different patterns, providing different uses. While rafters are constructed in a stick framing pattern, trusses feature chords on the top and bottom and an arrangement of webbing which allows them to distribute the load more broadly to the outside walls. Trusses feature prefabricated lightweight wood that's made in a factory, typically from larger pieces of wood like 2x8s or 2x10s, and delivered to the home construction site. Roof trusses are similar to traditional rafters in the sense that they provide support but are made and structured differently. Ridge boards are typically used for roof slopes between 3/12 and 12/12 and require collar ties to prevent pressure and collapse of the walls, whereas ridge beams don't require collar ties or purlins. These boards serve as a connecting point between the joists on each side and help with the spacing of the rafters as well as the transferring of the load through the joists to the external walls. Ridge boards are thin, non-structural boards that don't carry the load as well as ridge beams do. They're also commonly used for buildings with vaulted ceilings or when you want to increase the amount of attic space.
Ridge beams typically offer more stability than ridge boards and lengthen the lifespan of the rafters.
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The ridge beam is a structural piece that supports and holds up the rafters and is required by building code if your roof slope is less than 3/12. Each requires different sizes of rafters and serves different purposes. It's important to understand the difference between ridge beams and ridge boards. The ridge beam or ridge board is placed at the center of the roof, which helps to support the roof rafters at the top. Ceiling joists then help secure the rafters and the exterior walls. Rafters are made on the job site by the roofers and they are typically cut into 2x10 or 2x12 beams, which slope down from the peak of the roof. Rafters are long wooden boards used for the frame of the roof, also known as stick framing. In this article, we’ll dig deep into the differences between rafters and trusses and determine which one is right for you. But rafters offer more attic space if you plan on installing any future conversions. Roof trusses have become more popular these days thanks to their versatility, convenience, and lower price point.
While they may look similar and serve the same purpose, they differ in many ways. When it comes to roof framing for your new home, you can expect to see either rafters or roof trusses.
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