Galvanized metal corner bead.

Galvanized metal corner bead.

Postby apelles » Wed Jun 23, 2010 9:18 pm

Some good friends of mine did a self build just five years ago & had the exterior of their newly built home plastered with a napped render finish, but it seems that the extremely well paid plasterers weren't getting quite enough dosh out of it & decided to literally cut a few corners. Not only did they use an inferior quality supposedly galvanized angle bead that's rusting away, but it appears to add insult to injury they had applied it using an interior bonding plaster to stick the beading on to the scratch coat. . .So between the oxidization of the beading & the bonding absorbing moisture then expanding & cracking, my friends are left with somewhat of a mess. The plaster is cracking so badly around each & every reveal & all the external corners that its beginning to fall away.
They want to paint the house but obviously this issue has to be corrected first. . .
One fella that looked at it said that all the old beading would have to be angle-grinded off & new corners plastered in with no new beading. .just make new corners with plaster, another lad suggested redoing the same way only this time using a plastic corner bead.

Has anyone else come across similar problems with this type of angle beading & what do you think my friends should do to rectify the problem?
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Re: Galvanized metal corner bead.

Postby wearnicehats » Thu Jun 24, 2010 11:41 am

if it was me ( ie this ain't advice ) I'd take all the angles off and redo using plastic beads - the plastic is a better long term job. if it is internal bonding then every bead will fail

What recourse have they taken against the original plasterers? - if it is internal bonding it's negligence as the finish is not fit for purpose. They should speak to their insurance company

For what it's worth I also wouldn't describe that as a napped plaster finish - it's way too rough - it look's like a scratch coat waiting to be skimmed
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Re: Galvanized metal corner bead.

Postby spoilsport » Thu Jun 24, 2010 12:45 pm

I would suggest if it was me (not advise) that the only way to rectify the problem, is that I agree with wearniechats, in that the pvc corner bead would be used to replace the corners, because if the corners were replasterd without it, would be very difficult to keep them straight, and would be prone to being knocked out and boasting. The finish on the house is deplorable, and is not what I would consider a nap finish of any quality, look at the finiish along the plinth alone - discraceful. Using bonding to secure the bead externally is a common problem amongst the plastering trades, and one I nail them on repeatedly. no pun!
The plasterwork look very porus, and open, where a very rough sand was used, probably builders sand, and not finer plastering sand. It looks like most if not all the beads will rust and boast out cracking the render on the corners and reveals.

As to following the tradesmen for negligence (if one could call them that) are they still in business?? are they registered ?? do they have insurance?? was the house built using direct labour, or under one contactor ? where they paid cash or cheque with VAT added ? but most importantly can knickers be taken off a bare arse at this stage ?? if your friends decide to take a negligence case. In any case it looks an expensive repair job no matter which course of action will be followed.

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Re: Galvanized metal corner bead.

Postby apelles » Thu Jun 24, 2010 4:17 pm

wearnicehats wrote:What recourse have they taken against the original plasterers? - if it is internal bonding it's negligence as the finish is not fit for purpose. They should speak to their insurance company


Yes Wearnicehats, they looked at that, infact the lady of the house (for her sins) works in insurance, & is painfully aware that their not covered for this type of work or repairs . .unfortunatly.

As for the so called plasterers who done this botch job. . .We believe their still operating however my friends don't want sight nor life of them back around the place, and I don't blame them, they were to come back & snag the work after they finished & a small retainer was held for this purpose, but despite many attemted efforts to contact them they never returned. .now its quite possible they came back for a look when no one was there. . saw the balls they made of it & legged it again.


wearnicehats wrote:For what it's worth I also wouldn't describe that as a napped plaster finish - it's way too rough - it look's like a scratch coat waiting to be skimmed


Your'e dead right there. . I'll soon post some more picks of the way they floated off the gables. . looks like they rubbed there arses on it! I've recommended a high build paint product to try & hide the skid marks..again more expence!
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Re: Galvanized metal corner bead.

Postby apelles » Thu Jun 24, 2010 4:39 pm

spoilsport wrote:I would suggest if it was me (not advise) that the only way to rectify the problem, is that I agree with wearniechats, in that the pvc corner bead would be used to replace the corners, because if the corners were replasterd without it, would be very difficult to keep them straight, and would be prone to being knocked out and boasting.


So Spoilsport, what your saying is without some type of bead. .then the corners are weaker & more prone to damage. .Ok so, the pvc corner bead is a must. .thanx

spoilsport wrote:The finish on the house is deplorable, and is not what I would consider a nap finish of any quality, look at the finiish along the plinth alone - discraceful.


Would it be a good idea then, to hack off the current plinth line were there currently is no bead & fix a pvc bead along this also?

spoilsport wrote:Using bonding to secure the bead externally is a common problem amongst the plastering trades, and one I nail them on repeatedly. no pun!


Its a practice thats gonna have to stop!!!:eek:


spoilsport wrote:was the house built using direct labour, or under one contactor ?


Direct labour. .No main contractor. . .One of the dangers of going solo.
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