If you want your concrete foundation to withstand the test of time, it is important to do your homework and find the appropriate concrete joint sealant for your specific project. The time you spend educating yourself on the various products out there in the market will be well worth it in the long run. Price should not be your only consideration. That being said, higher prices don't necessarily ensure a better product. Concrete joint sealant is priced anywhere from $1.50 up to $6 per linear foot.

 Keep in mind that the different brands of concrete joint sealant also have different life spans. The least expensive, asphalt joint sealant will last approximately 7 years. This is very hot liquid filler that is basically poured at the joints. One of the nice features of this brand is that the surface area is usable as soon as the temperature of the liquid cools down. Silicone is a great choice if your project revolves around what is called, shoulder joints, or anywhere the foundation is prone to a lot of contracting and expanding. This product basically levels itself and will last an average of 13 years. Compression seals are the most expensive concrete joint sealants.

They cost at least $6 per foot. The advantages are that they can last a couple decades and there is no waiting time to use the foundation. In areas that have to withstand high amounts of heavy traffic such as airports, or bridges, fuel resistant concrete joint sealant is your best choice. They have special ingredients in them that prevent any chemical changes in the structures from being exposed to fuel over long periods. So, don't rush into any big asphalt projects until you check out all the facts on the different products efficiency and there ability to keep things waterproof on your foundation.

Above all, for any type of sealant you use, you must start with a clean and dry surface area. Otherwise, no matter how expensive or great the sealant is, it will not work up to its maximum performance. Leaving dirt, dust, residue and other foreign objects on your area to seal will prevent the waterproofing qualities these materials are intended for. Your end product will only be as strong as the foundation you build on. You just can't take shortcuts on that. Skipping this very important step can bring everything crumbling down around you if you are not careful.