Repointing brickwork typically occurs once or twice a century due to mortar deterioration from wear and environmental factors. Homes built prior to the 1990s should consider this project. While some opt to do the work themselves, enlisting a bricklayer is often advisable. Common mistakes made during repointing include incorrect mortar mix, such as using unsuitable sand or excess water, which compromise the mortar's effectiveness and longevity. A proper mix is crucial for successful repointing.
Mortar is made up of sand, water, and a binding agent such as cement or lime. Each repointing project requires a well-chosen mortar for optimal results.
A common mistake in repointing is using the wrong sand, such as clean sand alone, which can lead to poor adhesion and water issues.
Adding too much water to the mortar mix, especially with lime mortar, can undermine the project's effectiveness and integrity.
A lean mix with minimal water is essential; it should clump when squeezed but not be overly wet.
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