18.4.3. Classification of Joint Sealants

Try these first

1. 1.

   What is a hot-poured sealant?

   Hint

   Think about how heat affects the material.

2. 2.

   Can you name one type of cold-poured sealant?

   Hint

   Consider common types of sealants you’ve heard about.

3. 3.

   What type of sealant requires heating before application?

   • Hot-poured
   • Cold-poured
   • Both

   Hint

   Consider the application method.

4. 4.

   True or False: Elastomeric sealants are rigid and do not deform.

   • True
   • False

   Hint

   Think about how they behave under stress.

5. 5.

   You are tasked with selecting a joint sealant for a concrete road in a region with extreme heat fluctuations. Discuss the considerations you would need to take into account.

   Hint

   Think about temperature effects.

6. 6.

   Analyze the longevity differences between elastomeric and plastomeric sealants in varying climates.

   Hint

   Reflect on how material flexibility affects durability.