Roof Roofing Nailer
Roof Roofing Nailer

Asphalt roofing shingles:nails and nailing issues(2nd part)
2nd part
read the 1st part here
HOW MANY NAILS PER SHINGLE?
It depends on the number of tabs.
For example the normal three – tab rectangular asphalt shingles used in USA / Canada need 4 nails: two above the cutouts and two near the edges.
In Europe, mostly four-tab asphalt shingles are used and the number of nails needed is 5/shingles.
More nails are needed:
- in windy regions
- when slopes are very steep, normally bigger than 200%.
In this case two nails are used above the cutout. So 6 nails will be needed for the 3-tab shingles and 8 nails for the 4-tab shingles.
WHAT ABOUT STAPLING ?
Stapling is not recommended in Europe and as far as I know also in USA and in Canada.
Stapling can easily damage shingles.
WHERE EXACTLY TO PLACE THE NAILS?
In Europe we place the nails a little above the sealant strip. The nails are placed 2-3cm above the upper point of the cutout. The nails near the edges should not be closer than 2,5cm from the edges.
On no occasion should the nails be driven into discontinuities and problematic points of the substrate.
HAND NAILING OR PNEUMATIC NAILER?
Hand nailing is more accurate. It does a better job but it is slower and most expensive. If you cannot afford hand nailing for the whole project, at least use it:
- near the rakes
- for the first course at the eaves
- for the ridge and the hips
- for the valleys.
Because hand nailing is more accurate, it will reduce the possibility of wind uplift at this critical regions.
The nails should be driven vertically and flush with the upper side of the asphalt shingle securing it in its position.
If the nail is overdriven, it will harm the integrity of the asphalt shingle.
If the nails are underdriven, they cannot fix / secure the asphalt shingles properly.
In the case that the nails are not completely vertical, they will harm the shingle with their heads. These nails should be discarded and replaced.
CONCLUSION
Learn the right nailing techniques because they are critical for the expected life and behaviour of the shingles.
Do pay to buy the best quality nails in the market.
Chris Strogilis
Civ. Eng. – MBA – DipM
http://maconwaterproofing.blogspot.com/
About the Author
Civil engineer with postgraduate studies in MBA and Marketing
Thinking of buying a air compressor to run air guns like roofing nailers or framing nailers. Wondering if anyone had any ideas?
There are many different types of air compressors out there. The more portable ones are only going to have a capacity of a few gallons. If you are running 1-2 guns you will probably be fine. If you are planning on using a lot of pneumatic tools at the same time you might want to step up to a 25 gallon or more. Not as portable, but you can set it up on a jobsite and run multiple lines off it. You can get one of those starting at 250 dollars depending on where you shop. You can get package deals that come with a nailer, but those are portables. I would get a compressor with a Direct Drive and go oilless. Easier to maintain, if you use it heavily, drain the water out of it daily.
Tank capacity has everything to do with peformance. Try running a pneumatic drill with a portable air compressor for more than 5 seconds. If you look at the specs on your Air Tools it will tell you the minimum tank capacity required to operate your tools.
Roofing Staple in my leg
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