This means you have saved 30 000 seconds.
Roofing scew instead of nail.
Can screws be used instead of nails for attaching wall sheathing to framing.
07 27 2007 06 42 am 5.
If like me you use predrilled holes with the head counterbored and thus three differant size drill bits plan on each rafter taking a couple of days frenchy counterbored screw holes on roof sheathing.
Less concern about rusting out and they hammer or drive in easier.
Roofing nails are not made to withstand the structural forces that are required for joist hanger connectors.
A nail gun will drive a nail as fast as you can move the gun into place and slap it against the wood.
Instead of using standard deck screws to install hangers consider using specialty screws.
Drive 10 nails or 10 screws who cares.
Part of the reason construction contractors use nails is that they are significantly cheaper to use than screws.
Any other type of fastener would tear through the shingles as they are applied.
Leaving the shingles free to blow off the roof during the next wind storm.
According to home depot a five pound box of 8 penny nails which are approximately 2 5 inches long is 12.
Roe osborn a senior editor at jlc responds.
When to use each fastener understand the pros and cons of these popular fasteners so you ll pick the right ones for all your home improvement and woodworking projects.
When using nails or screws for construction my preference is hot dipped galvanized spiral nails or acq rated deck screws.
The cost of the nails vs screws in construction is an entirely different story.
Save 3 seconds per nail compared to a screw.
We use atleast 2 1 4 to 2 1 2 screws to put down 1 2 inch plywood or osb but most of the time we use 2 3 8 coated coil nails also known as 8 s for hand nailing.
30 000 seconds is 8 3 man hours of work a man day.
There is a common misconception in the building industry that screws always outperform nails when attaching wood to wood.
The use of roofing nails as structural attachments for joist hangers is not uncommon however it should be avoided.
On asphalt shingles you want to use roofing nails.
The reason is simple roofing nails have an oversized head which gives them much greater holding power than a regular nail or screw.
Let me caution you a decent sized roof that is screwed down rather than nailed down will take 20 times longer to do than with a nail gun.
It s true that screws have a highly effective withdrawal resistance which makes them excellent fasteners for tasks such as avoiding squeaks.