Installing Sub Floor In Room Without 90 Degree Corners

These step by step instructions demonstrate how to easily install subfloor panels in an empty room.

Installing sub floor in room without 90 degree corners.

Built up drywall compound and imperfect corner bead installation or framing generally leave you with something greater or less than an exact 90 degree angle and standard 45 degree miters won t work. 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. 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.

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. Using the original sub floor nails as a guide mark the floor joist locations on the wall to know where to insert the screws. 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. How to demolish flooring and install underlayment.

See the diagram to the right. Out of square corners those that don t form a perfect 90 degree angle are common when installing cabinets.