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Subject Author Date
Using Mortar Greg 02-03-2007
---> Re: Using Mortar Richard J Kinch02-04-2007
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Posted by Greg on February 3, 2007, 11:51 pm


Hi,

I am helping my boss apply molded concrete textured stone on his
family room wall. We have spread the base mortar and it is dry.
Today we started applying the stone. We are using a portand cemet mix
with clean fine sand.

I don't know, but I believe that mortar is like creme brule (i.e.,
very sensitive). It demands crystal clean water and just the right
amount of mixing. It should be used fresh and spillage shoud never be
thrown back on the butter board for reuse. The boss (perhaps he would
skin a flea for its hide and tallow) is like a busy bee scoping up
spillage and mixing it back in our fresh mortar.

I know it is his mortar and his wall, but I would apprecriate some
corraboration that his miserly habits may result in unstuck stone
falling on his beautiful Italian tile floors. Thank you.


Posted by Richard J Kinch on February 4, 2007, 12:36 am


Greg writes:

> I know it is his mortar and his wall, but I would apprecriate some
> corraboration that his miserly habits may result in unstuck stone
> falling on his beautiful Italian tile floors.

The only reason not to reuse spilled material is if it is old. Once it
starts to set, it won't be as strong in bond or compressive strength.

Use a polymer admix, like an acrylic emulsion. Well worth the extra cost
in bond strength for wall applications.

Posted by m Ransley on February 4, 2007, 2:53 am


Unless its setting which it isnt leave him alone he knows more than you.


Posted by Doug Miller on February 4, 2007, 7:10 am


>Greg writes:
>
>> I know it is his mortar and his wall, but I would apprecriate some
>> corraboration that his miserly habits may result in unstuck stone
>> falling on his beautiful Italian tile floors.
>
>The only reason not to reuse spilled material is if it is old. Once it
>starts to set, it won't be as strong in bond or compressive strength.

"The only reason"? Hardly. Depends on what it spills onto.

--
Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.

Posted by Richard J Kinch on February 5, 2007, 12:13 am


Doug Miller writes:

> Depends on what it spills onto.

One would think that goes without saying.

Page 1 of 2       1 2 > last >>
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