Repairing Joints with Grout Halifax NS

Not as a long-term solution. If only the joints with separations are to be corrected, the laborer or pointer must identify the vulnerable joints. Some readily identified separations may extend only a short distance into the joint.

A.W. Allen and Sons Limited
902-825-4854
Middleton, NS

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NovaPro Builders Limited
(902) 542-6000
RR1
Windsor, NS
 
Halifax Caulking Co Ltd
(902) 443-0293
Halifax, NS
 
Spryfield Masonry Ltd
(902) 479-3207
459 Herring Cove Rd
Halifax, NS
 
Halifax Caulking Co Ltd
(902) 457-0921
Halifax, NS
 
Unique Retreat Properties Ltd.
902-685-2332
Bridgewater, NS

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A.W. Allen and Sons Limited
902-825-4854
Middleton, NS

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Coastal Restoration & Masonry Ltd
(902) 876-8333
8 Mills Dr
Halifax, NS
 
Coastal Restoration & Masonry Ltd
(902) 876-5072
Halifax, NS
 
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Repairing Joints with Grout

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Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: May 1, 1992

Is applying regular pointing mortar over the surface of bad joints an effective way to reduce water leakage through the masonry?

Not as a long-term solution. If only the joints with separations are to be corrected, the laborer or pointer must identify the vulnerable joints. Some readily identified separations may extend only a short distance into the joint. Others, which appear smaller on the surface, may penetrate entirely through the thickness of the wall and may actually be more of a problem. Applying standard mortar over the face of the existing joint is not a durable repair. Instead of having 3/4-inch contact with the brick, the feathered edge of the mortar smear may have almost no contact at all. The portion of the new mortar which contacts the brick may readily weather. Also, if any movement occurs at all, the separation will readily reopen, because little bond has been achieved. In many cases, joints may be repaired by applying a very fine grout mixture over the face of the joint. Several proprietary grout mixes are available for this use. The Brick Institute of America in Technical Notes 7F recommends using a mixture of 1 part portland cement, 1/3 part hydrated lime and 1 1/3 parts fine sand passing a No. 30 sieve. In this method, the mixture must be forced into separations at the joint interface with a stiff brush. Because grout is applied to the surface of the bricks, this method generally i..

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