Galvanized Wall Ties Potsdam NY

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

Local Companies

Rock-N-Country Stone Mason
(607) 746-7460

Delhi, NY
City View Masonry Corp
(718) 894-0450
5817 59th Dr
Maspeth, NY
Abelcraft of Westchester Corp
(718) 405-9309
4653 White Plains Rd
Bronx, NY
Mughal Waterprooofing & Masonry Inc
(718) 856-6889
692 Coney Island Ave
Brooklyn, NY
The Masonry Worker Inc
(315) 829-5070

Vernon, NY
New York Design General Contractors Inc
(718) 966-2447
48 Marne Ave
Staten Island, NY
Rusty Johnson Masonary Inc
(315) 482-7632
23284 County Route 3
La Fargeville, NY
Gonser Construction Inc
(716) 627-4547
5156 Lake Shore Rd
Hamburg, NY
Mascorp Inc
(315) 431-9624
6729 Commerce Blvd
Syracuse, NY
Conmas Inc
(607) 722-0041
19 Alice St
Binghamton, 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...

Click here to read full article from Masonry Construction

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