Expansion joint sealing is important for a number of reasons. Expansion joints, which are generally cut shortly after the concrete floor or slab has set, need to be sealed to prevent damage occurring as a result of one of the following:
- moisture or water
- debris
- dirt
Moisture or water can result in mould occurring in the expansion joint and can also lead to further damage or leaks, which would require a more complex and costly repair. If debris lodges in the expansion joint then this can prevent it from serving its intended purpose, or the expansion is uneven around the blockage.
Dirt, debris and water can impact the structural state of the concrete and compromise its integrity. This could result in risks to the stability of the slab and ultimately cause cracking, which the expansion joint is designed to prevent.
National Drilling Services, although well known for drilling in the UK construction industry, also provides expansion joint cutting and expansion joint sealing services across the UK.
What products do National Drilling Services use for expansion joint sealing?
Our operatives at National Drilling Services are trained and experienced in expansion joint sealing. We hold stock of many different sealant products, from the most reputable manufacturers. This includes Fosroc and Permaban, although if you were looking for a particular product we can source that for you. First of all, we seal the joint with Permaban tape and then our operatives inject the joint with a resin.
What happens if cracks occur in your concrete slab?
Over time and particularly where a concrete floor or slab is exposed to a range of weather conditions or temperature variants, cracks can occur. If left these cracks can cause risk to the structural integrity of the concrete, ultimately posing risks to those who drive or walk on it.
However, if treated early these cracks need not create a problem. National Drilling Services can seal the cracks and ensure that no further damage is caused by cracks spreading within the concrete, by injecting resin into drilled holes within the cracks. For a more detailed explanation and step by step breakdown of how cracks are treated see our website page on expansion joint sealing where we also discuss the treatment of cracks.
To find out more about how the team at National Drilling Services can help with sealing expansion joints or cracks call us on 0161 443 2822. Alternatively, you can contact one of our local offices near you.