Galvanized Wall Ties East Amherst NY

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

Local Companies

Niagara Gutter Inc.
716-695-3500
1503 Forest Edge Dr.
East Amherst, NY
Schneider Design Architects, P.C.
(716) 923-7000
443 Delaware Ave., Ste. 200
Buffalo, NY
Lori Desormeau
(716) 863-6689
112 Norwood Ave.
Buffalo, NY
Kennedy Sales Co.
(716) 834-7709
33 Costin Rd.
Amherst, NY
WSF Industries, Inc.
(716) 692-4930
Seven Hackett Dr.
Tonawanda, NY
"C" Concrete inc
716 570 1905
4347 broadway
Depew, NY
William L. Long & Associates
(716) 833-1873
189 Kenmore Ave.
Buffalo, NY
Surianello General Concrete Contractors, Inc.
(716) 837-7710
635 Wyoming Ave.
Buffalo, NY
Wittburn Enterprises, Inc.
(716) 856-6610
36 Cypress Street
Buffalo, NY
R J S Machine Works, Inc.
(716) 826-1778
1611 Electric Ave.
Lackawanna, 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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