Screws for Metal Hip Roof

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The Screws for a Metal Hip Roof calculator computes the number of metal panel screws needed for a hip roof based on the dimensions.

INSTRUCTIONS: Choose units and enter the following:

(S) Span of Roof
(L) Length of Roof
(P) Pitch (choose pitch from list)
(oH) Overhang

Screws for Metal Hip Roof (nS): The calculator returns the number of screw for the metal panel hip roof and the total surface area (A) in square feet.

Metal Panel Screws are a specialized product that include a gasket to seal around the screw head and prevent moisture from penetrating the roof or siding through the screw hole, and a screw tip that cuts through the metal panels and is self-starting. Metal panel screws often come in painted colors to match the metal panels. The screws are used to attach metal panels to purlins or sheathing for a metal roof or to girts or sheathing for metal siding. Metal Panel Screws are typically used with a density of 75 screws per 100 square feet of metal roofing or siding area.

Metal Panel Screw Information

75 screws per 100 ft² of roof surface area is the industry standard for screws in a metal roof.
Common Screw Packaging Sizes: 1lb, 5lb, 20lb, 25lb, 30lb
Common Metal Panel Screw Weights and Density
- #10 x 1" - 115 per pound
- #10 x 1¹/₂" - 95 per pound
- #10 x 2" - 75 per pound
- #10 x 21/2" - 65 per pound

The current price of Screws for a Metal Roof is included in the C-Lok, Ag Panel, G-Rib price survey which includes the following:

Cost of Metal Screws (periodic survey)

$0.09 USD/screw - Screws (with seal gasket) - dollars per screw
- Date Survey: 3/7/24
- Source of Pricing: CN Metals

Metal Panel Screws Calculator provides functions to compute the number of metal panel screws needed for a job based on the shape and dimensions of the roof or wall in metal panels as follows:

The Math / Science

A hip roof is basically a rectangular trapezoid volume has regular trapezoids in the front and back and triangles on the sides. The bottom and top rectangles are centered, form parallel planes and separated by the height.

Safety Tolerances

An addition of the TO parameter (default of 3") s added to the following dimensions.

(r) Ridge Cap
(sG) Snow Guard
(j) Hip Covers
(PL) Panel Length
(aT) Angle Trim

It's better to have too much and have to cut it, than not enough.

Hip Roof Calculator

The Hip Roof calculators compute the area, ridge lengths and materials required for a basic hip roof. House with Hip Roof

Surface Area of Hip Roof: This computes the surface area of the four faces of a hip roof based on the dimensions. The calculator also includes the number of 4x8s, bundles of shingles, bundles of ridge shingles and the number of roofing nails needed.
Sheathing for Hip Roof: This computes the number of 4x8s need to cover the surface area of a hip roof based on the dimensions.
Shingles for Hip Roof: This computes the number of standard and ridge shingles and roofing nails for a hip roof based on the dimensions.
Cost of Shingles for Hip Roof: This computes the number of standard shingles for a hip roof based on the dimensions of the roof and size of the shingles and the unit price of a bundle of shingles to estimate cost of shingles for a hip roof.
Roofing Nails for Hip Roof: This computes the number of roofing nails to shingle a hip roof based on the dimensions under normal and high wind conditions.
Metal for Hip Roof: This computes the metal roof materials, panels and trim, for a hip roof based on the dimensions of the roof and width of the panels. Trim includes ridge cap, angle trim, and snow guard. It also includes the number of metal panel screws needed.
Screws for Metal Hip Roof: This computes the number of metal panel screws needed for a hip roof based on the dimensions.
Purlins for Hip Roof: This computes the total number and length of purlins (roof support boards) for a hip roof based on the ridge length of the roof, the roof pitch and the span of the roof.
Underlayment for Hip Roof: This computes the surface area of a hip roof based on the dimensions and then uses the surface area to compute the cost of underlayment based on the unit price (price per square feet) of underlayment material.
Surface area for Double Hip Roof: This computes the surface area of a hip roof with a hip roof dormer based on the dimensions and provides the number of 4x8 sheets, bundles of shingles, bundles of ridge shingles, length of flashing, and number of roofing nails for normal and high wind conditions.
Hip Roof Geometries: This computes the metrics associated with of trapezoid pyramid shape of a hip roof based on the dimensions

A hip roof is a type of roof design where all sides slope downwards to the walls, usually with a fairly gentle slope. Each side of the roof typically has two slopes that meet at the top to form a ridge. The outer edges of the roof are angled upwards, creating a pyramid-like shape or trapezoidal shape.

Hip roofs are known for their stability and resistance to strong winds, making them popular in areas prone to hurricanes or high winds. They also provide good drainage, as rainwater easily runs off all sides of the roof.

Hip roofs are commonly found on a variety of structures including residential homes, barns, and some commercial buildings. They can be more complex to construct than simpler roof designs like gable roofs, but they offer advantages in terms of durability and aesthetics.