Sealants and Masonry Repair: An Inside Look
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Sealants and Masonry Repair: An Inside Look

masonry repair


When it concerns masonry repair, there are various reasons and solutions to the potential problem at hand. As experts in the industry, our team at Abbot Restoration has seen it all. Often, many repair needs could have been avoided with the use of a masonry sealants. Ideal for several applications ranging from brick to concrete, sealants help protect the building from water penetration, among other things.

In this article, we are looking a bit more into sealant applications and how they can help maintain your building’s structural integrity.


Typical applications requiring sealants

The use of sealants sometimes referred to as caulking, has expanded as façade construction has evolved. With more cladding materials available than ever before, more pathways have opened. Below is a generalized look at a few of the most common applications that require sealing:

  • Joints between stone veneer, concrete, and metal cladding panels
  • Stone to flashing points, masonry expansion, and coping joints
  • Window and door perimeter joints
  • Glass and glazing perimeter joints
  • Joints in horizontal surfaces such as plazas and terraces


While the majority of the referenced joints are simple butt joints, special joints developed for new applications may include:


  • Fillet joints
  • Lap joints
  • Glazing beads
  • Glazing heel beads


The purpose of sealer in joints

As mentioned, there are several beneficial reasons to apply a sealant. In general, a masonry sealer helps to prevent or reduce water absorption. With the reduction of water, the following concerns are also eliminated:

  • Mold and mildew growth
  • Structural deterioration
  • Structural surface staining
  • Reduction in spalling and surface cracking


Today, most high-performance sealants include silicone or polyurethane bases. These products have replaced older options that include polysulfide and acrylic, butyl, and drying oil-based compounds. However, choosing the best sealant for the application at hand depends upon the substrate, movement requirements, and overall aesthetics.


At Abbot Building Restoration, we are experts in masonry repair. With decades of experience and expertise, our team can offer sealant recommendations for various situations and applications. For more information, contact Abbot Restoration today at (617) 445-0274.


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