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Thread: Framing nailgun question
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6th September 2008, 02:22 PM #1
Framing nailgun question
Hi there!
Been a while since I posted, this place has changed!!
Since discovering the pleasures of nail guns, I keep on buying them with all sort of different lame excuses. I'm up to 6 now but could not resist a Duo-Fast framing nail at cash converters for $120. It looked hardly used and despite having a nice Senco framing gun already I decided that after two repair kits,a new driver and countless boxes of nails I put through the old Senco, the duo fat, I mean fast was a necessity
Unfortunately it takes a different nail ( 21 degree) from the Senco that takes Paslode nails, so off I went to the guys at Glenford tools at Liverpool, hum.. they call themselves something else now..Uniting church? no ... wait ... United tools, that's it. So off I go for nails and all they have is 75 mm. That's the most common nail the builders use they say.
The duo fast takes up to 96mm nails. If I am not completely wrong, framing material thickness is 45 to 50 right? so 75 minus 45 leaves what 30mm of nail and along the grain? I am missing something here. Say you crank the pressure up and get may be another 5 mm depth, we are still talking a bit short in my books.
So I had to order a box of 90mm, couldn't get the 96 mm and paid through the nose, $68 for 2500 nails when the 75 were $38 for 3000 nails Double bummer!
I remember one time I hired a carpenter to help with a large frame. It was oregon and hence 50x100. He was happily banging by hand 75mm nails. I was using 100 mm.
My side was nice and stiff, his side was completely wobbly and we had to reinforce it.
What do you use for framing?“We often contradict an opinion for no other reason
than that we do not like the tone in which it is expressed.”
Friedrich Nietzsche
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6th September 2008 02:22 PM # ADSGoogle Adsense Advertisement
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6th September 2008, 07:27 PM #2
From memory nail penatration is 10 times the nail diamenter and 15 times for end grain fixing. So a 75mm nail is to short for end grain (senco nails are 2.8mm or 3.15mm????), but having said that 75mm nails are still the norm.
If your worried about strength when end grain fixing (ie. fixing top plate to stud) just skew nail it too.
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7th September 2008, 07:17 PM #3Senior Member
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hey mate
im a chippy at work we do house frames we use 75mm nails as well in most cases you have a 35 mm bottom plate and 45mmm top plate, most studs are 35mm and some are 45mm for door frames windows load bearing walls etc. 75mm nail are to make life easier imagina trying to laminte 2 bits of 35mm with 90 mm nails for walls blocks its to much mucking around by the time a frame is finished ther is so many different things holding a fram together the 75mm nails are fine,
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7th September 2008, 09:02 PM #4Intermediate Member
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75mm nails are only for use with 35mm plates. Thicker plates need longer nails. (AS 1684)
As you found out longer nails are much more expensive, due to a lower volume used. I'd say that 90% of house frames use undersized nails.
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