04000 – Masonry
The masonry division includes all work associated with masonry, such as brick, concrete block, and stone. It is an important division in the construction industry as it deals with the construction of load-bearing walls, fireplaces, chimneys, and other structures. Proper masonry work requires a high level of skill and expertise.
Subcategories:
04100 – Mortar and Masonry Grout
This subcategory includes all work related to mortars and grouts. Mortar is a paste that is used to bind bricks, stones, and other materials together. Grout is a mixture of cement, water, and sand that is used to fill the gaps between masonry units. Properly mixed and applied mortar and grout are essential for the stability of masonry structures.
04200 – Masonry Units
This subcategory includes all work related to the masonry units themselves, such as bricks, concrete blocks, and stone. Masonry units are the building blocks of masonry structures and need to be properly installed and secured for the structure to be stable.
04300 – Stone Masonry
This subcategory includes all work related to stone masonry. Stone masonry is a specialized field that requires expertise in working with different types of stones, such as granite, limestone, and sandstone. Properly installed stone masonry structures can last for centuries.
04400 – Glass Unit Masonry
This subcategory includes all work related to glass unit masonry. Glass unit masonry is a newer form of masonry that uses glass blocks as building units. It is often used in buildings that require natural light to penetrate the interior spaces while still maintaining privacy.
04500 – Refractories
This subcategory includes all work related to refractories, which are materials that can withstand high temperatures and are used in applications such as furnace linings and kiln walls. Refractory masonry requires specialized skills and expertise due to the extreme conditions that it is exposed to.
04700 – Simulated Masonry
This subcategory includes all work related to simulated masonry, which refers to the use of materials that resemble traditional masonry, such as concrete or fiber cement panels that are molded to look like brick or stone. Simulated masonry is often used as a cost-effective alternative to traditional masonry, while still providing the same aesthetic appeal.
04800 – Unit Masonry Assemblies
This subcategory includes all work related to unit masonry assemblies, which refers to the installation of precast concrete panels, brick veneer, or other masonry units onto a backing material such as concrete or metal studs. This type of masonry work requires careful planning and execution to ensure the structural integrity and aesthetic appeal of the finished product.
04900 – Restoration and Cleaning
This subcategory includes all work related to the restoration and cleaning of masonry structures. Over time, masonry structures can become discolored, damaged, or deteriorated due to weathering, moisture, or other factors. Restoration and cleaning work may involve repointing mortar, replacing damaged masonry units, or applying protective coatings to prevent further damage.