Bricks, Masonry, Asphalt and Concrete - Patio slab to concrete block foundation joint sealing

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jimcrockett
07-30-06, 07:23 PM
This question may have been asked before but I couldn't find it.

The gap between my patio slab and concrete block foundation is about 3/4" wide and allows ants and other critters into my enclosed patio as well as dirt. I am aware that I need to use backer rod to help fill the gap but what should I use for a sealant/caulk? I have read somewhere that butyl rubber is best used for this but see it recommended against in other places. Any advice would be appreciated.

JimC

concretemaster
07-31-06, 07:36 AM
Butyl rubber will work for this. You may also want to try epo-toxy. It has been around forever and is a multi purpose repair material. You could also try super seal. All three would do good. If you need any more information you can visit this website, It should help.
www.Sudlowconcrete.com