Hi, I'm Dave Osborne. With over 50 years experience as a journeyman carpenter, foreman and contractor in heavy construction I enjoyed working with apprentices and sharing the tricks of the trade that others shared with me. Now I get emails from Members all over the world and we include many of my answers in our Free Monthly Newsletters. Some of my answers include drawings and instructions specific to a project, but may also answer your questions. I use correct construction terminology, so you can confidently inform your building supply dealers or contractors exactly what you need.
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If I use staples for a Luan underlayment (for Linoleum in a bathroom), what size is best? Also, I thought the underlayment should end up half way through the doorway, but someone just told me only 3/4 inch and the carpet will be laid in the hallway and go through the doorway 4 inches.
If the underlayment is 1/4" or 3/8" the staples are 1 1/8" long and should extend at least 85% into the sub-floor, but not into the joists. These are chisel point narrow crown staples used with an 18 gauge air nailer. Otherwise use 1 1/4" ring nails. Keep the staples parallel to the grain so they won't splinter and will set themselves below the surface. I always check the floor after stapling with a 12" drywall knife and sliding it along the floor to see if it catches any staple heads that didn't go below the surface. A hammer blow will smarten it up.
The joint of different flooring is made under the door, in the center, so that from either side, when the door is closed, you only see the flooring in that room.
Dave(Ask Dave) (About Dave)
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