As mentioned the £2 is a moot point. You have claimed that using galv ties is not appropriate. It is. Your sentiment is unfounded hence bad advice.
Stainless Steel v's Galvanised
- Thread starter Greenie9657
- Start date
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The gist of your whole argument is that galvanised ties are not appropriate, they are "illegal", and that there is or will be a major problem with rusting ties in need of replacement else dire consequences ensue.
All of that is wrong and misleading.
Whether its a £2 or 40% increase in costs depends on your perspective, but the OP thought it relevant to ask the question.
Its actually not worth building a porch in cavity walling anyway, so the OP could save even more money and have less worry about ties, but thats for another thread
All of that is wrong and misleading.
Whether its a £2 or 40% increase in costs depends on your perspective, but the OP thought it relevant to ask the question.
Its actually not worth building a porch in cavity walling anyway, so the OP could save even more money and have less worry about ties, but thats for another thread
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You claim the £2 is a moot point, so as it's of little or no consequence what the CUF is the problem, a paltry £2 spent on a superior product!
I think it's not just woody that should stick to digging holes!
It is. It is also possible that stainless steel ties could fail. But that doesn’t matter, your advice is still incorrect and thus; bad.
So as we are considerably closer to the Atlantic Ocean than we are the moon! Stainless steel it is then! Thank you woody.
WTF are you talking about? Are you drunk man?
Cavity trays are required over openings to stop water draining from the cavity, and that has nothing to do with protecting galvanised lintels
Have you actually got any qualifications in surveying?
In fact, did you get any A-levels? or even the odd GCSE?(certainly not in chemistry).
The cavity tray above a galvanised lintel is primarily to protect the galvanizing from attack by the mortar as it gradually turns acidic.
It's bizarre that a supposed surveyor does not know that - it's basic stuff.
Tell you what, you reference some recognised standards which state that DPC as a cavity tray is required to "protect lintels" and not to stop moisture penetration.
Go on, I'll wait .....
In the meantime you have not answered my question as to whether a galvanised steel lintel in a solid wall needs a DPC over it to "protect it"
I'll wait for that too ....
YOU haven't explained why my galvanized lintel (sans dpc) is slowly rusting.
All manufacturers of these things recommend fitting a dp membrane above, not just to protect the opening, but to protect the zinc coating from the mortar as it carbonates.
There will be a BS somewhere on this, but life's to short to go trawling through material for this.
All manufacturers of these things recommend fitting a dp membrane above, not just to protect the opening, but to protect the zinc coating from the mortar as it carbonates.
There will be a BS somewhere on this, but life's to short to go trawling through material for this.
Have a read here, http://en.wikipedia.org/wiki/Tie_(cavity_wall)
I'm in the process of buying a 1930s semi in BS7, on the "Mortgage Valuation Report" page 2, "Matters Affecting Value" I quote "Some properties in this area are known to be affected by failure of the cavity wall ties and a specialist inspection is recommended" unquote.
Yes, the mild steel ties they used 80 years ago really should have been galvanised.
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