Menu

Building an Home Extension


How to Tell if Concrete Needs to Be Sealed Again

If you have an area of concrete around your home that hasn't been resealed for a few years, then the time may have come to have this done. Concrete sealants can last a long time if they are professionally applied; however, they won't last forever.

If your sealant has degraded to the point where you need to replace it, then it's wise to do this as soon as you can. Sealants protect concrete surfaces so you want to keep the area topped up.

How can you tell if you need to reseal your concrete?

The Sealant Shows Signs of Damage

Sometimes, you can see obvious signs that a sealant has reached the end of its life. For example, it may start to peel off in patches.

You may also see holes or chips on the top surface of the concrete where the sealant has come off or worn away. The remaining sealant may look shinier and glossier than the areas of damage. These will reveal the concrete underneath and will look duller.

The Concrete Absorbs Water

Some sealants don't change the appearance of an area of concrete. For example, if you used a penetrative sealer originally, the liquid would have sunk into the concrete where it gives protection from within the stone. It doesn't leave a visible layer on top of the surface.

This can make damage or wear harder to spot. However, you can test the concrete itself to see if the sealant still works.

Try dropping some water on the concrete. If the sealant is still in place and still working, then the water should bead up and sit on the surface. The concrete shouldn't absorb liquid if its sealant is sound.

However, if the water seeps into the concrete and changes its colour, then the sealant probably isn't working all that well any longer. The concrete doesn't have adequate protection.

The Concrete Looks Different

Some sealants change the surface appearance of concrete. They may change its colour or give it a glossy look.

If these sealants wear away, then the concrete may look different. It may change colour slightly. Its texture may go from smooth and glossy to dull and rough. Or, it may simply look duller than it used to.

If you aren't sure if your concrete needs to be retreated, then call local concrete sealing services. They can test the sealant for you and reseal the area if necessary,

About Me

Building an Home Extension

Hello, my name is Wendy and this is my construction blog. I do not work in the construction industry myself, but I have spent the last 7 months of my life with construction workers and contractors as they designed and built an extension to my property. I had always dreamed of extending my home so we could enlarge the kitchen and have an additional bedroom on the second-floor. My husband always objected, but when I won some money on the lotto, he couldn't stop me. The contractors were really great and I got a real insight into the industry so I decided to start this blog.

Archive

Latest Posts

4 Mistakes to Avoid When Doing Bitumen Spray Sealing
28 August 2020

Just like any other part of your building, a drive

Are you going to work with timber?
6 August 2020

When you are creating any product, then you could

Understanding Brick Pavements, Driveways and Patios
15 July 2020

Bricks are a great alternative to your concrete wa

How to Tell if Concrete Needs to Be Sealed Again
8 June 2020

If you have an area of concrete around your home t

The Carport Builder's Quote
27 February 2020

There are several reasons why a carport is a bette