How To Get A Pound Roof Number

Roofing is sold in 100 square foot lots so you need 21 squares of shingles and 2 100 square feet of 15 pound 15 felt paper and about 50 pounds of galvanized roofing nails.

How to get a pound roof number.

For example a 4 12 pitch roof that is 100 square feet. Nails screws are sold by weight not quantity usually in 1 pound and 5 pound boxes. 910 pounds per lineal foot. 3 determine the bundles of shingles needed to cover the roof.

Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof. Roof pitch area multipliers. 15 psf x 14ft 210 pounds per lineal foot. Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.

Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles. The pitch of the roof is the rise over a 12 inch run. 100 1 054 105 4ft 2. Measure and mark a 12 foot distance along the floor in the same direction as the pitch of the roof.

50 psf x 14ft 700 pounds per lineal foot. For the total square footage of the roof. Subtract the lower height measurement from the larger height measurement. Use this chart to determine how many fasteners there are per pound.

Divide the total footage by 100 to determine the number of squares in the roof. Plane 1 plane 2 24 000 sq. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. It is important to list live load dead load and total load separately because live load is used to compute stiffness and total load is used to calculate strength.

After that measure the height of the roof above the floor at each end of the 12 foot distance. The load increases with the use of heavier roofing material. Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. Enter the attic of the home or any part where the roof framing is visible.

Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet. The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot. A clay tiled roof may have a dead.