What is Repointing?

Before (left) and after (right) our repointing services has been performed.

Repointing is the process of renewing mortar joints in masonry construction. Over time, weathering and decay causes voids in the joints between masonry units (usually bricks) allowing the undesirable ingress of water. Water entering through these voids can cause significant damage through freeze/thaw cycles and from salt dissolution and deposition. Repointing is also known as pointing, or pointing up, although these terms more properly refer to the finishing step in new construction.

The National Park Service has extensive documentation on Repointing Mortar Joints in Historic Masonry Buildings, all of which we rigidly follow in our work. Learn more about repointing at Wikipedia.

What is the difference between 100% repointing and spot (area) repointing?

100% repointing: this is when we come in and point every horizontal and vertical mortar joint in the structure. This can be very time intensive work.

Spot (Area) repointing: We setup scaffolding to overlook the entire façade and then come up with how badly a mortar joint is eroded, or if it is missing or loose. Once we determine the bad spots, we go in and point as needed. This method is not always cheaper than 100% repointing because of the set-up and the fact that what was not repointed may erode in a few short years and then the process will have to be undertaken all over again.

We offer this as both a service and teach it in a classroom environment. Send us your information below to get started.

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