Illinois Roofing Practice Exam 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 745

What is the function of grout in masonry?

To reinforce structural integrity

To seal cracks and cavities

Grout serves a vital role in masonry by filling spaces between bricks, stones, or tiles, which helps to seal cracks and cavities that may otherwise compromise the structure's integrity. By providing this sealing capability, grout prevents moisture penetration and protects the underlying materials from damage, reducing the risk of erosion or the development of mold and mildew.

While grout can contribute to aesthetic appeal and help hold materials in position as part of the overall construction, its primary function is to ensure that joints are well sealed and that gaps are filled, thereby enhancing the durability and longevity of the masonry work. This sealing characteristic makes it an essential component in masonry applications, particularly in areas exposed to various environmental factors.

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To provide aesthetic appeal

To hold bricks in place

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