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Preventative Measures to Stop Cracks in Stucco

Stucco cracks can’t totally be prevented. Although they can be considerably reduced and controlled if the reasons why it occurs are considered and sufficient preventative actions are done. Contextually, “sufficient” measures include several actions that could assist in reducing the danger of cracking in the systems of stucco. In this article, we’ll be concentrating on 4 preventative measures that could be utilized to minimize the chances of having cracks in your stucco. 

Control Joints 

One of the main reasons why stucco cracks happen is because of the movement produced by mechanical and thermal stresses, which includes movement or twisting of framing, building settlement, impact, vibration, etc. In several instances, the movement could result in small stucco cracks to grow at high stress points like the upper corners of windows and doors. Now how can we resolve this? Though it’s not possible to stop cracking from the whole stress forces that happen while constructing stucco, the danger of cracking could be significantly minimized by setting up control joints, which will deflect the stresses of movement. This can help reduce the likeliness of stucco cracks to spread and develop. While constructing a new house, you can also install expansion joints to offer perimeter relief in wall systems.  

Mix proportion 

This implies the way how stucco acts on the application, drying, and curing. Particularly, the water-to-cement ratio commands the stucco’s workability along with the chances of cracking. To resolve this, you need the standard ration of the manufacturer. Another way you can examine the workability and consistency of a new stucco is to utilize the slump test. This type of test is also utilized to gauge the concrete’s workability. If the stucco maintains its shape after removing the cone, it means that it has the right consistency.  

Drying shrinkage 

The majority of stucco cracks progress due to too much water evaporation from the stucco. For example, the extremely high temperature during the summer season can make water evaporate more rapidly from the stucco, which leads to hairline cracks and drying shrinkage. Most of such cracks only show an aesthetic problem, however, too much cracked stucco won’t be able to effectively secure your business or home from the elements. To minimize the possibility of drying shrinkage cracking, the preventative measures below must be done: 

Use a cement-compatible polymer to your freshly treated stucco then trowel a fiberglass mesh in it.  

Prevent drilling and some operations that might minimize vibration on the curing duration. 

Your freshly applied stucco must be damped-cured in dry and hot weather conditions. 

Stick to the suggested mix ratio from the manufacturer and prevent cement rich mixes. 

The right contractor 

Usually, applying stucco is a lot challenging than it looks. Expert looking outcomes need extensive knowledge and a lot of work. This, we highly recommend that you only hire the professional stucco contractors St. George who are well-versed in terms of which appropriate tools to utilize, skilled in applying and mixing stucco, and already has a lot of experience to guarantee great results.