Parallel Beams Which Are Nailed To Boards Of Floors

Some newer homes have manufactured i beam shaped joists.

Parallel beams which are nailed to boards of floors. I would like to place the new floor parallel to the sub. A roof system containing an open web parallel. Don vandervort hometips. If it is you ll need to shore it up by installing one or more supports.

See figures 8 1 and 8 2. Stagger end joints of boards row to row a minimum of 6 for strip flooring 8 10 for 3 to 5 plank and for plank wider than 5 inch stagger as much as possible with minimal or no h joints. Drill nail holes with a 1 8 inch drill bit then face nail. Dry lumber should always be used to avoid settlement problems caused by shrinkage of the built up beam and the joists it supports.

Because of the wide beam spacing there is noticeable movement of the floor and the current floor squeaks in many places. In general wood columns are spaced every 8 to 10 feet depending on the strength of the floor beam above it and the load on this beam. Your local building code may state the size required for such posts. The wood column is nailed to the floor beam above and sits on a concrete pad at its base.

Rip the bottom of the groove from one of the flooring boards with a table saw and cut the corner pieces from that board with a miter saw. First renail the existing plywood subfloor so that the old nails are tight and add new nails to achieve a maximum nail spacing of 6 inches. If the beams are made of untreated lumber they must be at least 12 in. If the subfloor is stiff enough there is no reason why solid nail down strip flooring can t be run parallel to the joists.

As mentioned earlier the ledger board and beams support all the floor joists which are usually spaced 16 in. Floor boards transmit loads to joists beams. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.

The floor joists are large beams on 4 centers. It is not neces sary to use a wood plate over wood beams because floor joists can be nailed directly to the beam. A flooring contractor howard brickman responds. The sub floor is laid perpendicular to the beams and the current flooring is laid perpendicular to the sub floor.