New coating on old masonry wall

antohagg · 27 May 2013 at 11:11 PM

Have just opened up an old plaster wall to expose the brick wall.
Currently, there is a mix of plaster and coating, and I wonder how I can make it a bit more like it is on the right, but whiter.

Then I wonder which method is best to attach the horizontal beam at the top (which supports the ceiling) to the brick wall so I can remove the vertical studs.

/Anton

Exposed brick wall with wooden beams and yellow insulation in a partially demolished room; scattered debris on hardwood floor.

Exposed old drywall showing brick wall, mixed plaster, horizontal wood beam at top, and vertical studs. Bucket and debris on wooden floor.

Exposed wall showing a mix of brick and plaster, wooden studs, and construction tools in the foreground, with a ceiling above.

Interior renovation with exposed brick wall and wooden studs, sunlight streaming, white curtains, dining table with papers, chairs, and a light grey room.

Stew · 31 May 2013 at 12:53 AM

Hello,

Very interesting question. Unfortunately, I don't have any good answers. But I'm happy to bump the thread for you

Is there anyone else who can help here? Who has experience with a plastered brick wall.

Best regards,

Stefan

antohagg · 31 May 2013 at 9:14 PM

Hello, and thanks for the bump. =)

I can add a few more pictures, and a question regarding the gap of 1-2 cm that is far to the left (see pictures). Can you use expanding foam to fill that, and how is it best applied? Is there a difference between expanding foam and expanding foam? How elastic does expanding foam become once it has hardened? I don't want it to crack and leak heat when the walls move.

Exposed brick wall with wooden studs; visible gap on the left side intended for foam filling discussion.

Gap between wall and wooden beams, potential use of foam sealant discussed.

Wooden wall frame with exposed concrete and a gap visible at the left top corner, possibly for discussion about using foam sealant to fill gaps.

Exterior wall with gap near window; metal roof and brickwork visible. Discussion about sealing gaps with foam. Yellow wall panel and white curtain inside.

A gap between a wooden panel and a brick wall, approximately 1-2 cm wide, potentially for sealing with foam.

Gap between a wooden wall and an adjacent surface, possibly showing a space for insulation or sealant application needs in a renovation project.

antohagg · 2 Dec 2013 at 5:38 PM

Just finished the work.

White wall with ceiling-mounted spotlights; visible holes for wine rack and other fixtures; newly finished plaster and paintwork.

White painted interior wall under construction with ceiling lights, a window, patches, and holes; visible tree branches outside.

Renovated living room with dining table, chairs, and a modern sofa against a softly lit wall; spotlights and window add brightness.

It turned out to be a bit more work than I initially expected, but on the other hand, I am SUPER SATISFIED!
I thought I'd go through step by step how I did it:

Removed old plasterboard and insulation
Attached the upper beam to the brick wall with 6 M16X400 mm threaded rods (cc60). Used Essex anchoring mass. Also installed a 100x100x400 mm load-bearing beam in the existing hole (visible in the middle)
Removed standing studs
Cleaned the wall from old plaster
Sealed the gap against the outer wall with regular mineral wool
Bricked up the old holes into various shapes (one became a wine rack)
Repaired poor brick joints
Applied a layer of weber fine plaster (weber.cal 145 feather finish) which was then "screeched."
Sanded and filled the cracks in the lower and upper beams.
Primed the wall with Nordsjö silicate fixative (special for indoors)
Painted two coats with Nordsjö indoor silicate (unbroken).
Drilled holes for the electricity for the spotlights
Ran all the electrical wiring
Primed all the wood with Nordsjö adhesion primer (oil-based)
Painted the wood with two coats of Jotun Lady (unbroken white) (oil-based)
Furnished =)

Halfway...

Unfinished renovation work highlighting a bare wall with patched holes and visible work tools, including a sawhorse and vacuum, on a wooden floor.

/Anton

New coating on old masonry wall

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Stew

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