Dear Angie: My home needs a new roof. Which is better: hand-nailing or using a nail gun for the shingles? Does it matter? — S.A., Norman, Okla. Answer: Let me start by answering your last question ...

Johnathan C. Brewer II is a licensed general contractor specializing in kitchen, bath remodels and general construction with two decades of professional experience. He is also the owner of Brewer ...

The roofing octocopter, equipped with a nailgun, is parked near the test roof. Setting the wooden panel at different inclines let researchers simulate roofs with different slopes. Graduate engineering ...