How Many Screws Per Square Foot Of Metal Roofing

It s a good idea to order an extra 10 to account for cutoffs and waste material.

How many screws per square foot of metal roofing.

A roofing square is 100 square feet. 30 roofing squares x 80 screws 2 400 screws. 80 screws per square or 1 pound of nails per square 26 formed width 24 coverage use on solid decking 11 1 2 1 2. The 1 inch variety is the best all purpose size.

Standard details for metal best materials roofing supplies. 80 screws for each roofing square. Fabral roofing specifies 80 galvanized screws per square of steel material for aluminum material use stainless steel screws. Screws are available in quantities of 250.

Take your square footage and multiply it by 80. Step 1 choose your roofing material exposed fastener metal roofing panels. 3 000 square feet x 80 2 400 screws. Allsteel carries screws in 2 different lengths.

Fabral 2012 midwest manufacturing specifies 75 screws per square of metal roofing. Going across the 36 width i place one in each overlap and 2 in the middle for a total of 4 screws. The hardy rib panel s design is the most common exposed fastener metal roofing panel design in the industry and comes in 3 ft wide coverage panels cut to any length you want from 3 foot to 55 feet in 1 inch increments. The table below can be used to figure approximate quantities of screws for various purlin spacings and sizes of roofs.

How to calculate and place screws. For more complex roofs with many peaks and sections find he square footage of each roof section and add them all. Metal roofing panels are slippery when wet dusty frosty or oily do not attempt to walk on a metal roof under these conditions. Going up and down the sheet i try not to go less than 2 feet in spacing nor more than 3 feet but i ve always used lathing spaced 2 3 feet apart so that kinda forced the issue for me.