![]() Gable ends of more recent buildings are often treated in the same way as the Classic form. Other early examples are found in parts of Denmark and Sweden. Examples of the crow-stepped gable can be seen at and, both 17th century Scottish buildings. Crow-stepped gables were used in and as early as the seventeenth century. Both translate the load (weight) of the roof material and anything laying on it (e.g., snow) across the open space of the building to the walls.Ī variation of the gable which has a stairstep design to accomplish the sloping portion. The two most common applications of a gabled roof are using either roof trusses or roof rafters. The shape of the gable and how it is detailed depends on the structural system used (which is often related to climate and availability of materials) and aesthetic concerns. Weight of Snow on Roof: This computes the weight of snow on a roof based on the roof dimensions and the depth and type of snow.Ī gable is the generally triangular portion of a wall between the edges of a dual sloped roof.Underlayment for Gable Roof: This computes the amount of underlayment material needed for a gabled roof.Purlins for Roof: This computes the total number and length of purlins (roof support boards) based on the ridge length of the roof, the roof pitch and the span of the roof.Metal for Roof: This computes the total number and length of metal panels needed for a roof based on the ridge length of the roof, the roof pitch and the span of the roof.Shingle Cost Estimate: This is a rough estimate on the cost of shingles for a roof based on the roof dimensions and price point ranging from economy (low budget) to premium. ![]() Shingles for Roof: This calculates the number of standard bundles (33.3 ft 2 for 3-tab or 32.8 ft 2 for architectural shingles), ridge cap, underlayment, starter stirp and roofing nails.Sheathing Cost Estimate: This is a rough cost estimate for the total number of plywood or OSB sheets to cover a roof.Sheathing for Roof: This calculates the number of 4x8 sheets needed to cover a roof.Rafter Count: This is the number and length of rafters needed based on roof dimensions and pitch.Truss Count: This is the number of trusses needed based on the roof width and the truss spacing. ![]() 26.6 o : 6/12) based on the length of the rise and run.
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