How To Fit Floor Joists In A Loft

A basic floor system is installed in about 10 stages from preparation to boarding the floor.

How to fit floor joists in a loft.

Clearing the loft area of all debris insulation struts and temporary boards to expose the ceiling boards. Take measurements in metres this makes it easier when you are buying boards. The strong timbers approx 225mm x 75mm timber are secured to the wall plates brickwork and bolted to the walls. With the supporting ashlering in place the internal struts and braces can now safely be removed.

A new floor system is installed using a frame trimmer joists to support the floor joists that span the width of the loft. In smaller lofts it is often the case that the floor joists themselves will be used to support the sloping rafters. Your new joists want to sit on top of the wall plate just like the attic truss does there is no need to remove the old ceiling as the truss and joist will sit together flush and nailed together down into the wall plate and to get over the angle creating weakness fix the top of the joist to the rafter use a block of wood the same thickness as the truss.