If you are right now planning to install roofing shingles or that is underlayment, then there room some factors that you must consider, such together the roofing material weight, building’s foundation, and framing, etc.

You are watching: How many roofing nails per square of shingles

To evaluate the installment process accurately, then you need to recognize how many roofing nails per square are compelled inexact. Please find out exactly how to calculation them appropriately here.


How plenty of Cap Nails per Square the Underlayment

The roof is without doubt one of the most critical elements that the building’s structure. To install the roofing successfully, climate one needs to invest a far-ranging amount of money and also time. A young mistake might expense you pricey resolving work, so it’s always recommended to hire or at least comment on your roofing job with a experienced roofer or contractor.

That being said, there are some an easy matters the you can do yourself, such together doing basic math end how many roofing nails every square that underlayment the you need. Despite of course, you need to recognize your roof size very first to carry out the estimation.

Read also: Underlayment for metal Roof

The an essential to performing a successful roofing project is knowing how much elevation the roof must bear – i m sorry is an essential information if you work with aged framing and foundation. One of the determinants that add up the roof load estimation is the nails’ weights that will hold the roof underlayment and shingles in their place.

The bulk of roofing manufacturers recommend that friend use four nails because that each shingle because that the roofing key area and use five nails because that each roofing underlayment square. This way that you’ll require 320 nails every square foot. Because that you who live in public areas, you might want to usage 480 nails every square.

The most commonly used nail type is the 1.5” roofing nail, which has actually 7/16” flathead and 11-gauge smooth shank. The nails are resistant to too much weather such together rain or sun since they’re hot galvanized.

This kind of pond weighs 1 lbs for 140 nails. In general, you will do it need around 2 ¼ lbs. Of nails because that each underlayment square and 3 ½ lbs. If the area is an especially windy.

Nails room usually sold in pounds, therefore you’d have the ability to ask the supplier because that the specific amount and length of nails according to her roof size.

How plenty of Cap Nails per Square Of fabricated Underlayment

Synthetic underlayment has existed since the early 2000s through various species available. Friend can uncover spun or woven synthetics that are developed from polypropylene or polyethylene. Each kind has different characteristics, such together thickness, manufacturing procedure, walkability, and also exposure time, however generally, the ingredients are rather similar.


Synthetic underlayment is usually identified to your weight and their feeling. The unit used to estimate the synthetics space grams-per-square-meter (GSM).

How plenty of roofing nails per square of artificial underlayment compelled is the very same as the typical underlayment calculate above. However, most roofing builders choose to use staples rather of nails for this material. The staples are areas once every 4” or 8”, then they room secured through a 2nd underlayment layer through staples as soon as every 2” to 3”.

How numerous Nails every Square the Cedar Shingles

Cedar is a solid an option of product for roof shingles. It usually comes with herbal preservatives to fight UV rays, damage, moisture, and infestation. It has wind-resistant quality naturally, so cedar shingle could be an ideal selection if you use it in windy areas.

So, how numerous nails per shingle that cedar roofing product need? In general, four to five nails per shingle would be sufficient. The standard forced amount that nails because that cedar shingles is 320 pieces per square.

For areas with a many wind, six nails for each shingle might be needed, which method you require 480 nails for each square. This latter calculation is likewise applied if you use mansard roofing.

You should always refer to the shingles or underlayment application instructions before and during the surroundings process, consisting of seeing the exactly nailing pattern.

See more: How Many Inches Is 600 Mm To ″, Convert 600 Mm To Inches

Don’t hesitate come ask someone who knows more about the roofing installation project about how many roofing nails every square you must use. The last, you should likewise check the local building regulation in her area regarding roofing.