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 Post subject: Fix botched bay pillars
PostPosted: Thu Jan 25, 2018 12:11 pm 
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Hi guys,

I've been reading the forums for a few years and a big fan of the YouTube videos but just getting round to my first post.

I'm helping my sister renovate a bungalow she just bought, about 30 years ago a bay window was installed and it looks like it was either botched at the time or a subsequent DIY has taken a hammer to it. There was originally a 2.5m full length window in the room, the wall to either side of the original window was cut back to make the bay. The original steel cavity lintel is still in place.

Internally at either side of the bay there were "false" pillars built from CLS and plasterboard, i removed both and found that the right had side of the steel lintel was only supported on 1 or 2 inches of brick and a bit of CLS (which was why they had created the "false" pillar". The left hand pillar had been put in place to create symmetry in the room. I took advice from a retired builder, stuck an acro under the lintel, removed the CLS and build a new pillar from dense concrete blocks and tied these into the existing structure with 4 or 5 screw ties from screwfix. The new block pillar is pretty solid.

The builder said not to touch the brick pillar as it was solid and had stood for 30 years.

My problem is now what to do with the brick outer leaf. The bricks had been hacked and vary in depth so it is not an easy to build the pillar back up. I guess my choices are:

1. Remove the brick and rebuild with either brick or block. Would be best overall but Don't want to do this due to time and the fact what is there is solid.

2. Create some kind of shuttering around the bricks and pour concrete in and build the pillar up in levels. Not sure if this would work

3. Just fix timber battens and level the wall out that way.

I'm not sure where to go and would really appreciate suggestions. Picture below.

Cheers Chaps.

1.jpg [ 205.24 KiB | Viewed 523 times ]

2.jpg [ 275.04 KiB | Viewed 523 times ]

3.jpg [ 175.62 KiB | Viewed 523 times ]

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PostPosted: Sat Jan 27, 2018 10:15 am 
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Hi ahfix,

While I did find your dialogue a bit hard to follow, the photo's seem to cover the situation.
What I see is a window opening formed where the cavity wall requires closing at either side!
Simply fix a piece of insulated DPC (20CM wide) against the Brickwork (use a strong mastic type adhesive to hold the DPC in place).
Then simply close the cavity using small pieces of brick and mortar (4:1 - sand/cement).
It would be advisable to tie the brick closer to the blockwork. This could be achieve by fixing say 4 door frame clamps either side. ... 6j3iK-pxSM:


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