How Many Screws Per Square Foot Of Metal Roofing

30 roofing squares x 80 screws 2 400 screws.

How many screws per square foot of metal roofing.

The 1 inch variety is the best all purpose size. How to calculate and place screws. 80 screws for each roofing square. Allsteel carries screws in 2 different lengths.

Step 1 choose your roofing material exposed fastener metal roofing panels. 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. Fabral 2012 midwest manufacturing specifies 75 screws per square of metal roofing. For more complex roofs with many peaks and sections find he square footage of each roof section and add them all.

Fabral roofing specifies 80 galvanized screws per square of steel material for aluminum material use stainless steel screws. Finally divide the square footage of the roof by the square footage of the metal roofing panel to find the number of panels needed for your roof. Going across the 36 width i place one in each overlap and 2 in the middle for a total of 4 screws. The table below can be used to figure approximate quantities of screws for various purlin spacings and sizes of roofs.

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. Standard details for metal best materials roofing supplies. A roofing square is 100 square feet. 1 inch and 2 inch.

Metal roofing panels are slippery when wet dusty frosty or oily do not attempt to walk on a metal roof under these conditions. It s a good idea to order an extra 10 to account for cutoffs and waste material. Screws are available in quantities of 250. Take your square footage and multiply it by 80.