Galvanized Wall Ties Corning NY

Do wall ties need to be galvanized in solid masonry walls in Corning? The steel used in concrete is typically not coated. Wouldn't solid masonry offer protection similar to that offered by concrete?

Local Companies

Harman Contracting Inc
(718) 743-7724
701 Ocean View Ave
Brooklyn, NY
Mastercraft Masonry I Inc
(718) 231-3077
271 E 233rd St
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Zamboli Mason Inc
(631) 395-1900
581 Mastic Rd
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Kelly Masonry Corp
(516) 739-8110
366 Sagamore Ave
Mineola, NY
Cobble King Inc
(631) 924-6202
530 North St
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Cystal Valley Excavation/Mulch/Gravel
607-765-8124
20 River Road
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Capstone Construction
(631) 784-7701
775 Park Ave
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Yurewich Victor
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75 Wilder Rd
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25 Mason Inc
(718) 832-2388
121 25th St
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A & J Masonry Construction Corp
(718) 845-4507
9408 Albert Rd
Jamaica, NY

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: October 1, 1998

Do wall ties need to be galvanized in solid masonry walls? The steel used in concrete is typically not coated. Wouldn't solid masonry offer protection similar to that offered by concrete?

There is a substantial difference between the protection to steel offered by masonry and that offered by concrete. In concrete, the fluid cement paste completely covers the bars. In masonry, the steel is often dry-laid on the units and the mortar placed on the top. Therefore, the bars are not always encased completely in mortar. Sometimes there are voids along the bottom of the bars, which can allow condensation and moisture to accumulate. The corrosion potential of the steel is also affected by material porosity and diffusion rates of harmful ions (such as chlorides). Bare steel is protected initially by a passivating layer that forms in the highly alkaline environment of wet concrete or mortar. Carbonation will reduce the alkalinity of the mortar or concrete and eliminate this protection. Mortars, being more porous than concrete, will carbonate at greater rates. There is also greater potential for diffusion from chloride ions from acid cleaning or other sources. Depending on their concentration, chloride ions will eliminate the pacifying effect of the mortar. For these reasons, unprotected steel encased in mortar will have an increased corrosion potential at a young age. Requirements for concrete or mortar cover...

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