Interesting “insulation”

More renovation fun as we have the old house re-sided. We are having the west and south sides of the old house redone. These walls are wood framed (4½”) with interior wood lath and plaster, and exterior clapboards right on the studs. No sheathing, no insulation (well, almost, see below). We are adding fiberglass batts, then OSB sheathing, house wrap, and the same HardiePlank siding we used on the addition. So we are going from R-1 to R-12+ in insulation.

The north side is covered by the new addition, and the east side has the verandas on it and the wide horizontal exterior boards are in good shape so we are leaving those alone.

WallsBrickIn

As we suspected — since I encountered them when I ran new phone wire 15 years ago — some of the walls in the old house were packed with soft, unfired clay bricks. Brick Nogging is what it is called.

WallsBrickNone

Only half the house had bricks, no reason why that I can think of. We also decided to remove the old window trim — it had some architectural interest but was in pretty tough shape. Besides, the same trim is on the inside of the house where we get to look at it.

WallsBrickOut

Bricks out. You can see a little fiberglass under the kitchen window; this and the new wood were part of a repair by a previous owner of the house.

WallsCornerBrace

Interesting craftsmanship in the wood-pegged, half-dado corner bracing. They also alternated hefty and thin wall studs (and floor joists as well). The horizontal wood strip under the windows is the back of the chair rail that runs around all the rooms.

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