There are three types of cement adhesive: epoxies, resins, and traditional mortars. Epoxies are durable and resistant to weather and chemicals, while resins dry quickly and resist wear. Grout is the most common and easy-to-use option, but can crack or expand if not applied correctly.
There are three main types of cement adhesive that are used to glue objects to concrete or to bond concrete together. They are epoxies, resins and traditional mortars. The three different types of cementitious adhesive each have different strengths and weaknesses, and each is appropriate for different situations.
Epoxy is a type of cementitious adhesive that is particularly hard and resistant to atmospheric agents. Epoxy is by far the most durable long-term cement adhesive, capable of withstanding extreme weather, temperature, UV light exposure, and even certain types of chemical exposure that concrete can encounter. Epoxy is often used to bond concrete or cement in basements or exterior applications, and some epoxy-modified grouts can be used to bond block or other concrete building materials together. Epoxy can be expensive, however, and its strength isn’t always needed in every application.
Resin is another type of cement or cement adhesive. Resin-based adhesives are capable of drying and curing quickly, meaning they can be ready to use more quickly than epoxy resin-based adhesives. Resins have the added benefit of being resistant to shrinkage and wear after drying.
Common uses for resin based adhesives are airport runways, bridges and other high traffic areas. They are used where the cement or concrete and bonded materials need to maintain their current size and shape under high stress and repeated use. Again, as with epoxies, resins are not often used in normal day-to-day concrete applications due to the cost and skill level required to properly use resin-based cement or concrete adhesives.
Grout is the most commonly used, most readily available, and easiest to apply bonding agent available for cement or concrete. The mortar is made from a combination of lime, sand and water, as well as other types of cement products, depending on the use. Grout stands up well to outdoor temperatures, but it dries out a lot and can be subject to cracking or expansion if not applied correctly or if subjected to extreme temperatures or soil upheaval. Grout is an easy-to-use, inexpensive solution for medium concrete or concrete bonding projects and has the added benefit of being readily available at most home centers.
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