Galvanized Wall Ties Oswego NY

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

Local Companies

Chalfont Construction Corp
(718) 229-4900
3924 Bell Blvd Ste 1
Bayside, NY
Fladd's Creative Stone Masonry
(585) 394-4290
4621 Bachelors Row
Canandaigua, NY
Gideon's International
(845) 342-2148
558 County Route 49
Middletown, NY
Vandenberg P & Son
(585) 288-7837
89 Merchants Rd
Rochester, NY
Savino John B
(607) 732-7352
118 Joyell Dr
Elmira, NY
Joseph K Construction
(718) 763-3319
5801 Avenue J
Brooklyn, NY
International Building Blocks
(585) 544-5663
169 Newcomb St
Rochester, NY
Skoda Design Inc
(212) 358-8340
126 E 12th St
New York, NY
T & T Masonry Corp
(631) 224-7303
60 Amityville St
Islip Terrace, NY
Nino Mason Contracting Inc
(718) 375-6123
1915 McDonald Ave
Brooklyn, 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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