Q. I've decided to re-roof my house because I simply can't afford to pay a roofer. I'll be stripping off all the shingles down to the bare wood. Do you feel it's worth it to buy a nail gun to install ...

Q. Eight years ago, I had a new asphalt shingle roof installed on my 55-year-old home. Leaks recently started to appear in several areas of my home, and, upon inspection, roofing nails actually had ...

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Q. I’m getting bids on a new roof and some of the roofers want to use a nail gun to install the shingles. Is this a good idea? I’ve also heard stories about inferior galvanized nails that don’t hold ...

Q: I have had two flat tires this summer. Both from nails. One was a roofing nail and the other was a 2 3/4-inch spike. In both cases only the head of the nail was showing on the tread. How does a ...

Between drones that assemble rope bridges and others that build low-cost houses out of mud, imaginative research projects continue to show us how the autonomous aircraft can have a role to play in the ...