Installing Sub Floor In Room Without 90 Degree Corners

Here are nine common subfloor installation mistakes and how to prevent them.

Installing sub floor in room without 90 degree corners.

An av express corner tv wall mount fixes this problem by allowing full motion and swivel movement of your tv at up to 90 to the wall. If you are unsure what angle you need imagine where your seating is in your room compared to the corner and pick the angle that best suits your needs. Only about half the time can you cut 45 degree miters on base boards and have them meet perfectly on outside corners. This is the type of joinery used in most picture frames and many other woodworking projects where perfect 90 degree angles are required.

Out of square corners those that don t form a perfect 90 degree angle are common when installing cabinets. A mitered joint is made with both ends of the molding cut at a 45 degree angle and fitted together to form a 90 degree inside corner. See the diagram to the right. To avoid buckling subfloor panels should be spaced with a 1 8 inch gap at all edges and ends to provide room for naturally occurring expansion.

Modern cabinetmakers and installers use a small item called a scribe tool to remedy. These step by step instructions demonstrate how to easily install subfloor panels in an empty room.