The 4x8 Sheathing for a Gable Roof calculator computes the total surface area of a roof, the number of 4x8s and framing nails needed for a gabled roof based on the length, span, pitch and overhang.
INSTRUCTIONS: Choose units and enter the following:
4x8s for Roof Area (n): The calculator returns the following:
The length, span, pitch and overhand determine the surface area of a roof. Based on that, one can roughly calculate the number of 4x8s by dividing by 32 ft2.