Expansion joints are a great method to prevent the concrete from moving and cracking. But letting expansion joints unfilled can cause several problems, such as concrete cracking, weed growth, and shifting, which is why they need to be filled.
The Fact: Concrete expands when it’s hot and contracts when it’s cold, so your concrete is always on its move.
In this guide, you will discuss expansion joint filling, covering everything from what defines them, why filling is crucial, to the best materials, to uncover our process, a source of 100% client satisfaction. So, read till the end, you will find this helpful.A construction project can’t be done without concrete, from creating sites to structuring buildings to maintaining foundations, concrete plays a fundamental role. Especially in New York, a land of modern design, symbolic buildings, and conventional geometric patterns. Known mainly for its five boroughs:
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Expansion joints are on purpose and consciously created gaps or spaces in structures, for instance, concrete slabs. These gaps are intentionally designed to allow for movement due to thermal expansion and contraction. Offering spaces, expansion joints lowers the chances of structural damage and cracks.
The selection of the material depends on the joint’s moving activity and location. Selecting the right and best materials is ideal for absorbing expected movement and pressure while also resisting temperature fluctuations. Based on these factors, Concrete Contractor NYC suggests you use flexible sealants such as:
Our 25+ years of experience say choosing the best materials is not enough for expansion joints for concrete. In fact, using the appropriate material at the right time is fundamental.
Preventing structures from big losses, expansion joints have drawbacks, which is why sealing them is crucial. And we, as a top-rated construction contractor in New York, always suggest proper expansion joint caulk for the reasons listed below:
Prevents Water Damage and Erosion
Sealed joints block water infiltration, preventing weakening of the foundations.
Ensures Structural Integrity and Continuity
Ensure it executes well by creating a barrier against debris from entering the joints.
Enhances Safety and Prevents Surface Danger
Prevent slabs from uplifting or shifting, which maintains a consistent and safe surface.
Improves Hygiene and Prevents Growth
Don’t offer room or shelter for weeds, mold, or pests, keeping the concrete well in its top condition.
After selecting the best quality material and choosing the right concrete expansion joint filler. The next step is to seamlessly fill or finish the joints, which is the 100% satisfied method listed below:
Use self-leveling polyurethane or silicone sealant.
Use non-sag polyurethane sealant.
Use polyurethane and silicone.
Listed below things you must avoid when filling:
At first glance, wood seems like a better expansion joint filler, but it rots and can’t prevent water intrusion.
Using sand is another big mistake for sealing expansion or crack repairing, as it doesn’t seal them properly.
Expansion joints are crucial; they accept concrete movement or expansion and also maintain structural uprightness. But sealing them is more important than creating. Properly filling and sealing the gaps by using the best materials with an expert’s hands and great knowledge results in durable and seamless finished surfaces. Want to experience this? Choose Concrete Contractor NYC, the top choice for New York clients, as your drywall, brick, and driveway expansion joint filler.
Have any queries? Reach out to us today and schedule a free on-site estimate to save you money and time.
For lasting expansion joints, choose the most preferred materials that last for decades, such as closed-cell polyethylene. Selecting them gives you a breath of sophistication and relaxation for up to 20 to 30 years.
No! Expansion joints don't weaken the concrete; it’s a misconception. In fact, they are a great way to strengthen the structure and prevent damage.
Estimating an accurate cost is difficult because the cost varies depending on project size and complexity. However, an expansion joint contractor in New York can approximately charge $5 to $12 per linear foot for residential joint filling and $5 to $18 per linear foot for commercial buildings.
