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-   -   mortar liquid bonding agent question (http://www.diychatroom.com/f19/mortar-liquid-bonding-agent-question-31182/)

drewhart 11-03-2008 11:43 PM

mortar liquid bonding agent question
 
i am patching some spots in a stucco house. it says on the bottle to apply with a brush to the hole. then it talks about another method of using the bonding agent instead of water when mixing the mortar. should i do both to get the mortar to adhere best? and what is this slurry they are talking about?

drewhart 11-06-2008 07:45 PM

if i were me, i would still not know the answer to this question.

Tscarborough 11-06-2008 08:04 PM

You can do both or either, but if you add it to the mortar, you need to dilute it at least 50%.

white29 11-06-2008 08:05 PM

Hi. Believe me I'm no masonry expert, but there are bonding agents which can be used to provide better adherance of new concrete to old.I just used some myself,mine was made by Sacrete and it was with the masonry stuff at Lowe's. It can be mixed into your concrete mix or,as you referred to,mixed up separately into a slurry and applied to the old masonry prior to the new. It comes in a one gallon bottle with complete and simple instructions on the bottle. Good luck.

drewhart 11-06-2008 08:11 PM

i'm trying to patch some areas in a stucco house. should i add some portland cement and sand to the mortar mix, or do you think plain mortar is ok for the repair?

white29 11-06-2008 08:45 PM

Again,I'm no masonry expert and I've never had any experience with stucco. I have had a lot of success using vinyl patching compounds for surface patching concrete. These are dry concrete mixes which are fortified with vinyl fibers for added strength and elasticity.I would recommend that you look into these,very easy to use and tough. They are made by several company's,Quick-crete and Thorocrete come to mind. Lowe's,HD or any local building supply should have them.


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