![]() ![]() Instead of using rafters and center posts, most pole barns use trusses to support the roof structure. Soffit vents are often included in the soffit for roof ventilation. The soffit is the covered underside of roof eaves. It is the point where two intersecting roof planes meet. The ridge of a roof is the highest vertical point of a post-frame building’s roof. Purlins run parallel to the ground and perpendicular to roof trusses. Purlins are the boards used to attach trusses and for securing steel roofing materials to the building’s structure. Post-frame or pole-frame construction is a building method that relies on large poles or posts set into the ground as the primary building supports. Hurricane ties are essential to prevent severe damage from high winds. Plumbers’ straps and hurricane ties attach roof trusses to wall girders. Girders are usually either 2x10s or 2x12s. Girders are the top horizontal board in the wall of a post-frame building. Dutch doors are very practical because they aid ventilation while keeping the horse in its stall. This allows the door’s bottom half to be kept closed and the top half of the door to remain open. Typical in horse barn stalls, Dutch doors are doors that appear to have been cut in half horizontally. They are used for ventilation and decoration. A cupola looks like a small tower or box sitting above the ridge of the roof on classically styled barns. CupolaĬupolas are a staple of classic farm buildings in Pittsburgh. If you plan on constructing a pole building in Pittsburgh or a garage hobby shop in Pittsburgh, you may want to learn the following terms. It may be challenging to understand custom post frame builders in Pittsburgh if you aren’t familiar with pole barn terminology.
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