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.

Here are two easy formulas for determining the amount of metal roofing screws. Allsteel carries screws in 2 different lengths. Fabral 2012 midwest manufacturing specifies 75 screws per square of metal roofing. The 1 inch variety is the best all purpose size.

80 screws for each roofing square. Standard details for metal best materials roofing supplies. 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.

3 000 square feet x 80 2 400 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. Metal roofing panels are slippery when wet dusty frosty or oily do not attempt to walk on a metal roof under these conditions. 1 inch and 2 inch.

Step 1 choose your roofing material exposed fastener metal roofing panels. Screws are available in quantities of 250. 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 roofing specifies 80 galvanized screws per square of steel material for aluminum material use stainless steel 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 table below can be used to figure approximate quantities of screws for various purlin spacings and sizes of roofs. Going across the 36 width i place one in each overlap and 2 in the middle for a total of 4 screws. 30 roofing squares x 80 screws 2 400 screws.