The Metal Panel Screws Calculator has functions and data associated with calculating the number of metal panel screws needed for roofs and siding on different shaped structures.

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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:  

• Screws for a Gabled Metal Roof 
• Screws for a Metal Hip Roof
• Screws for a Metal Gambrel Roof
• Screws for a Metal Shed Roof
• Screws for a Metal Dormer
• Screws for Metal Shed or Run-in
• Screws for Metal Siding on a Gable End
• Screws for Metal Siding on a Gable End with Door
• Screws for Metal Siding Rectangular Wall
• Screws for Metal Siding Gambrel End Wall