Stainless Steel v's Galvanised

Hi All

Im currently building a porch, well im now ready to starting bringing the walls up once i have ordered everything this aft. Anyway, I was about to purchase the wall ties and stumbled across 2 types. So my question is which ones should i get. Stainless steel or galvanised wall ties? theres only about £2 difference so i was going to go safe with the Stainless but your thoughts are welcome.

Many thanks
Whilst the children squabble; you can use either. Most ties these days are stainless but there are still galvanised ones around. Either will out last you and the porch. Nearly all wall tie failure is in old houses with black ash mortar which is acidic and attacks the galv. It's virtually (if not totally) unheard of in post war houses.
 
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Hi All

Im currently building a porch, well im now ready to starting bringing the walls up once i have ordered everything this aft. Anyway, I was about to purchase the wall ties and stumbled across 2 types. So my question is which ones should i get. Stainless steel or galvanised wall ties? theres only about £2 difference so i was going to go safe with the Stainless but your thoughts are welcome.

Many thanks
Whilst the children squabble; you can use either. Most ties these days are stainless but there are still galvanised ones around. Either will out last you and the porch. Nearly all wall tie failure is in old houses with black ash mortar which is acidic and attacks the galv. It's virtually (if not totally) unheard of in post war houses.


Thanks for that Jeds, can I ask out of interest, if you were buying ties and there was £2 difference which would you go for?

Many thanks.
 
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I'd close my eyes and pick up the nearest ones. I see your point but life's too short to be worrying about which wall ties to use for a small porch. A house might be different. In fact I think Part A only allows stainless. But that doesn't mean they're banned.
 
It's years since I bought galv wall ties, I'd forgotten about them till I read this thread.
Wall tie replacement is becoming really common in some areas. In Brighton the surveyors seem to recommend a specialist survey on the HSV.
The MIL had one done when her house was sold and as expected the firm found a grands worth of work on her 50's bungalow.
Whats the chances of a 50's bungalow suffering wall tie failure in the next ew years?
. Most of the older houses I've worked on have a small amount of rust on the ties, without it being a serious problem.
 
The ties that generally fail are the old fishtail type. If they had any galv on at all it was only a nano-whatsit thick. And the main problem really was that the ties were so thick (often 4 or 5mm) that when they corroded they produced so much rust it literally pushed the mortar joint apart. But even with all the rust the ties themselves are usually pretty much intact and still plenty strong enough to hold the walls together.
 
The ties that generally fail are the old fishtail type. If they had any galv on at all it was only a nano-whatsit thick. And the main problem really was that the ties were so thick (often 4 or 5mm) that when they corroded they produced so much rust it literally pushed the mortar joint apart. But even with all the rust the ties themselves are usually pretty much intact and still plenty strong enough to hold the walls together.



I see what your saying and it makes sense, I imagine by now our builders merchants will be fully stocked with high quality Chinese imports so we never get this problem again.
 

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