Learn how to make sure your AC is working properly with a simple thermometer, find out why floor joists cannot be improperly cut when framing out a house, and discover a product that will cut your exterior wood maintenance chores. Plus get answers to your home improvement questions about, chimney crumbling, cleaning a linoleum floor, asphalt driveway repair, odors in the home, cracked wood porches, venting a bathroom, backer board for walls, plumbing pipe options, and insulation for roofs.