Structural Framing

Removing a bearing wall the right way

Most structural framing starts with the same sentence: we want this wall gone. In a lot of Massachusetts colonials and ranches, the wall between the kitchen and the dining room is carrying the second floor or the ceiling joists, and it cannot simply come down.

It can almost always be done, but it has to be done in order. First we confirm what the wall carries by looking at the framing above and below it. A structural engineer sizes the beam and the posts and specifies how they connect. That design goes to the building department with the permit. Then temporary walls go up on both sides to carry the joists while the old wall comes out and the beam goes in.

You also decide early whether the beam drops below the ceiling or sits flush, up in the joist space. A flush beam gives a clean ceiling but means more work: the joists are cut and hung from the beam with hangers, and the ceiling gets opened wide. A dropped beam is simpler and can be cased in trim. We show you both before the engineer finalizes the design.

Plumbing, wiring and ductwork in the wall have to go somewhere too. Before the wall is opened, the licensed trades look at what has to be rerouted, and that work goes into the written scope so it is not discovered halfway through the day the wall comes down.

Beams, posts and the path down to the footing

A beam is only as good as what holds it up. Every point load from a new beam has to travel down through a post, through the floor below if there is one, and land on a footing that can carry it. In an old house, the spot under the new post is often a basement slab a few inches thick, or a joist that was never meant to hold a column.

So structural framing often reaches the basement. We trace where each post lands, add solid blocking through the floor systems so the load does not crush them, and pour a proper footing under the post where one is needed. Skipping that step is how a correctly sized beam ends up sagging anyway.

Connections matter as much as sizes. Posts are fastened to the beam and to the base, built-up beams are nailed or bolted in the pattern the engineer calls for, and hangers get the specified fasteners, not whatever nails happened to be in the truck.

Every connection is visible at the rough inspection, and we leave it open until the inspector has signed off on it against the engineer's drawing.

Call (781) 974-4263 to have Steve look at the wall you want gone.

Engineered lumber and when it is the right call

Long spans and heavy loads usually call for engineered lumber: LVL beams, glulams, parallel strand posts. Engineered members are straighter and more consistent than sawn lumber, which matters when you want a flat ceiling across a wide room and trim that stays tight.

Steel is sometimes the right answer, especially when a beam has to stay flush in a shallow floor or carry a long span with little depth to work with. It is heavier to bring into a finished house and takes more coordination, so we talk through when it is worth it and when wood will do the job.

We order members to the engineer's specification and check them when they arrive. A beam that shows up wrong goes back. It does not get installed just because it is already on site.

Engineered members also need care before they go in. They are kept dry and off the ground on site, cut only where the manufacturer allows, and never notched or drilled outside the zones the engineer and manufacturer permit, because a hole in the wrong place can weaken a beam more than you would guess.

Ridge beams for cathedral ceilings

A cathedral ceiling looks simple and is not. In a conventional roof, ceiling joists or ties keep the rafters from pushing the walls outward. Take them away to open the ceiling to the peak, and the roof needs another way to stay put. That is usually a structural ridge beam carried on posts at each end that run down to bearing, so the rafters hang from the ridge instead of pushing on the walls.

Converting a flat ceiling to a cathedral is structural work from the start. The engineer sizes the ridge and its posts, and the insulation plan changes too, because the roof itself becomes the insulated surface. Under the stretch energy code many towns follow, that affects rafter depth and whether the roof is vented or sealed, so we settle it before framing starts.

Wide openings in exterior walls follow the same thinking. A long run of new windows, a wide slider to a deck, or a bay where a flat wall used to be all need headers sized for the span and the load above, with jack studs carrying that load down to the floor below. A header that is too shallow lets the wall above sag over the new glass, and windows that bind in their frames are often the first sign.

Temporary support and the order of the work

On every structural framing job, the sequence is the safety. Temporary shoring goes in first. The old member comes out only once the load is on the shoring. The new beam goes in, posts are set and fastened onto footings that have already cured, and only then does the shoring come out, slowly.

That order protects the house and the people in it. Plaster upstairs is less likely to crack, floors stay where they were, and nothing moves that should not. If something unexpected turns up, like an undersized header from an earlier remodel or a cut joist above the wall, work stops, you see it, and the fix is written up before we go on.

The rough framing inspection checks the beam, the posts and the connections against the engineer's design. Call (781) 974-4263 to have Steve look at the wall you want gone.

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