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Mortar mix explanation Steve B 07-28-2006
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Posted by Steve B on July 28, 2006, 4:52 pm
I am getting ready to do some block / concrete / stone work.

This work will be in a location at 7500' elevation, so there is
freezing/thawing. The coldest temp last winter was -7F outside.

I have decided to use sack mix for anything involving concrete. However,
for mortar, I need some help.

Please direct me to a site, or provide explanations about how the amounts of
the different components ......... Portland, sand, lime, etc effects the
properties of Mortar. I will want to mix some for the joints between the
cinder blocks in a retaining wall. I will want some to butter some fake
stones and make them stick fast to the surface of that wall. I will need
some to squeeze into the joints of stacked natural rock to fill up the
voids.

Help appreciated, or direct me to a site.

Thanks

Steve



Posted by DanG on July 29, 2006, 7:21 am
For professional information go to the brick institute:
http://www.bia.org/html/frmset_thnt.htm

Click on technical information and read about
Section 1 - cold weather,
Section 7 - water resistance
Section 8 - mortars
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



>I am getting ready to do some block / concrete / stone work.
>
> This work will be in a location at 7500' elevation, so there is
> freezing/thawing. The coldest temp last winter was -7F outside.
>
> I have decided to use sack mix for anything involving concrete.
> However, for mortar, I need some help.
>
> Please direct me to a site, or provide explanations about how
> the amounts of the different components ......... Portland,
> sand, lime, etc effects the properties of Mortar. I will want
> to mix some for the joints between the cinder blocks in a
> retaining wall. I will want some to butter some fake stones and
> make them stick fast to the surface of that wall. I will need
> some to squeeze into the joints of stacked natural rock to fill
> up the voids.
>
> Help appreciated, or direct me to a site.
>
> Thanks
>
> Steve
>



Posted by Harry K on July 29, 2006, 9:28 am

Steve B wrote:
> I am getting ready to do some block / concrete / stone work.
>
> This work will be in a location at 7500' elevation, so there is
> freezing/thawing. The coldest temp last winter was -7F outside.
>
> I have decided to use sack mix for anything involving concrete. However,
> for mortar, I need some help.
>
> Please direct me to a site, or provide explanations about how the amounts of
> the different components ......... Portland, sand, lime, etc effects the
> properties of Mortar. I will want to mix some for the joints between the
> cinder blocks in a retaining wall. I will want some to butter some fake
> stones and make them stick fast to the surface of that wall. I will need
> some to squeeze into the joints of stacked natural rock to fill up the
> voids.
>
> Help appreciated, or direct me to a site.
>
> Thanks
>
> Steve

They also have mortar mix in sacks that you only have to add water to.
I have used it for building with block and for buttering fake stone to
apply to a vertical wall.

Harry K


Posted by Steve B on July 29, 2006, 12:14 pm


> They also have mortar mix in sacks that you only have to add water to.
> I have used it for building with block and for buttering fake stone to
> apply to a vertical wall.
>
> Harry K
>

I have seen those, Harry. I would just like to know the effects of throwing
in some extra Portland or lime when it comes to adherence and freeze/thaw
cycle resistance.

Steve



Posted by jake on July 29, 2006, 4:10 pm

Steve B wrote:
>
> > They also have mortar mix in sacks that you only have to add water to.
> > I have used it for building with block and for buttering fake stone to
> > apply to a vertical wall.
> >
> > Harry K
> >
>
> I have seen those, Harry. I would just like to know the effects of throwing
> in some extra Portland or lime when it comes to adherence and freeze/thaw
> cycle resistance.
>
> Steve

Hello: My father was a mason, and he used straight portland cement and
water to butter flagstone to adhere to a dried concrete base. However,
talk to the counter help at a mason's supply house in your area. also,
go to website: cement.org/ for a consult.


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