18.9.2. Remedies

Try these first

1. 1.

   What is the purpose of cleaning the joint before applying a new sealant?

   Hint

   Think about what might affect how well the sealant sticks.

2. 2.

   What is one tool you might use to clean a joint?

   Hint

   What might help remove debris effectively?

3. 3.

   What is the first step to take when addressing a failed sealant?

   • Call a contractor
   • Replace the sealant
   • Clean the joint

   Hint

   Consider what needs to happen before new materials are applied.

4. 4.

   True or False: Backer rods are optional when applying sealants.

   • True
   • False

   Hint

   Think about what helps maintain the joint's effectiveness.

5. 5.

   Develop a step-by-step plan for inspecting and maintaining joint sealants in a busy parking lot. Include specific criteria and tools for inspections.

   Hint

   Consider frequency and what tools help observe issues.

6. 6.

   Analyze a scenario where a newly applied sealant fails prematurely after several weeks. Identify at least three potential causes and propose solutions.

   Hint

   Think about what impacts sealant effectiveness.