Expansion Joint caulking/ Sealing

Suley

0
LifeTime Supporter
May 31, 2011
246
Los Angeles, CA
Pool Size
23000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
Hello everyone,

The expansion joint around my pool has cracked and missing caulk. I was wondering which caulk to use and what kind of backer rod to use before applying the new caulk. I have found MD Building Products 1/2 in. x 20 ft. Caulk Backer Rod on Home depot's website and Tremco 116 Vulkem Polyurethane High-Performance Sealant, on amazon.

Are these correct to use or is there something else you would recommend?

Thanks!
 
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