One of the most valuable tools a kitchen or bath installer has is experience. In this article, adapted from the National Kitchen and Bath Association's Kitchen and Bathroom Installation Manual, veteran K&B remodelers share hard-won lessons from years of experience installing kitchens and baths. Removal and Tear-Out • When doing a lot of sanding or cutting inside the house, make sure all smoke detectors are off, especially those that are connected to the phone line. You can (and will) set them off, and the last thing you need is to have the fire department show up. • If you're on a job with a new floor, always cover the floor with cardboard. (Make sure that the floor is clean first.) This