Undermount beam. Prior to removing the old undermount beam, the crew erects shoring on each side of the opening.
Undermount beam. The author joins the two LVLs with structural screws
Undermount beam. To ensure bearing on both plies, the author planes the top edge of the assembled beam.
Undermount beam. Ernesto and Toby lift the beam into place, and snug up the shoring to hold it in place.
Undermount beam. It extends beyond the corner so the end column (new framing in foreground) bears directly on the new basement beam.
Flush beam. In preparation fro replacing the flush-framed beam, the crew erects shoring to hold up the joists.
Flush beam. After removing the old beam, they cut through the ledger so the new flush beam will extend over the window, and a new header will be installed beneath it, supported by full length jack posts that extend to the foundation wall to complete the load path.
Flush beam. As a measure of added protection. the crew has neatly wrapped the end of the beam that pockets into the exterior wall with a peel-and-stick flashing membrane.
Flush beam. Ernesto and Toby use shoring to lift the new beam into place.
Flush beam. With the beam raised into place, the joists are secured with joist hangers.
Flush beam. The other end of the new beam is supported by a new LVL header, which is supported by full length jacks on both sides of the window opening.
Flush beam. Framing completed at the exterior end of the beam.
Flush beam. A built-up column provides full bearing for one end of the flush beam. The base of the column bears on the new beam that was installed in the basement, which in turn is carried by the main girders.
Flush beam. Framing completed at the interior end of the beam.