18 янв. 2024 г. · I like the Sika concrete crack self leveling stuff, but it's quite viscous and will disappear in a crack that large, you'll need to stuff ...

4 февр. 2024 г. · Isolation joint felt, backer rod and elastomeric sealant. Check the specs on the sealant to make sure it's rated for the width of the gap.

11 янв. 2022 г. · Concrete urethane is what you want. Maximum strength, bond and flexibility. But it is a batch to clean up. NP1 is good. Vulkem 116 is also good.

6 авг. 2021 г. · Sikaflex is great. BASF makes the same stuff called SL-1. They're both polyethylene self leveling, typically in a limestone gray color, but ...

9 окт. 2018 г. · Sikaflex crack flex or SL self leveling sealants would be good options here, joined with backer rod. BASF MasterSeal NP1 is also common for ...

26 июн. 2023 г. · Yep, get 291 marine Sikaflex. Or a cheaper lesser product called dynaflex. I used this for my shower/bathtub. Been 5+ years and still looks the ...

4 апр. 2024 г. · NP-1 or Sikaflex will work…. I fill the crack with sand to about 1/2” below (instead of backer rod), then use a 2-part epoxy crack filler.

2 июн. 2024 г. · Black caulk or white caulk will work. It just depends on your preference. You just put the nozzle in and squeeze. It will be the easiest DIY ...

27 февр. 2021 г. · Loctite has some specific crack filler products and their magnacrete is one of few products to actually BOND to existing concrete. Can't ...

22 нояб. 2024 г. · Don't use urethane for Christ sake. If you're going to inject the crack, use an epoxy. Sika is a good brand and you can usually get these at ...