Galvanized Wall Ties Olean NY

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

Local Companies

State Line Supply Company
(814) 362-7433
1333 East Main Street
Bradford,, PA
Kightlinger Excavating, Inc.
(814) 368-5879
30 Main Street
Lewis Run, PA
Valu Home Centers
(814) 362-3355
661 East Main Street
Bradford,, PA
Natures Design Landscaping
(814) 368-7527
9 South Gate Road
Bradford,, PA
National Fuel - Bradford
(814) 368-6125
601 High Street
Bradford,, PA
Quaker Boy
(814) 362-7073
20 Russell Boulevard
Bradford,, PA
Clyne Builders
(814) 368-3644
233 South Avenue
Bradford,, PA
S. W. Neilly Corporation
(814) 362-4443
350 Minard Run
Bradford,, PA
Lang Surveying
(814) 368-4139
1059 Lafferty Lane
Bradford,, PA
Bradford City Water Authority
(814) 362-3004
28 Kennedy Street
Bradford,, PA

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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