Working with Concrete

[diggerdooley]

I have constructed a vertical cliff against the side of a mountain using mortar stucco.  Of course, the structure is gray, and I want to color it to resemble stone.  Does anyone know of a stain or wash that can be used to create this effect?

[ttrigg]

digger
The way I have seen it done, is to mix the color into the mortar just after adding the water. There are a variety of colors available to tint cement products. I've seen people who have mixed the mortar, then sprinkled a small amount in the color powder, mix it well, then add some more and gently mix little areas of the mortar so that the mix ends up with a variegated color. Since you have completed the construction, you might try using the color additive in a "wash" form. Mix it with water and then "paint" it on, allowing it to soak in.

[Anonymous]

Listen mate, what Tom has told you is correct and sensible and i would take note.

However some years back Kalmback published anarticle on Glopatta i thik thats how it is spelt and i have just started using it and the results are terrific. I have metrified the formula  and adopted it for Queensland conditions and i have published the formula on the forun just recently and i have since found out my mixture was quite wrong.

It is 30 parts mortar, 1 part fire clay, 1 part cement (not concrete) 1 part hydrated lime, 1 part colouring and 10 plus parts water. The colouring will vary with the effect you are trying to achieve and the water will also vary with the weather conditions. I am using 1 part biege colouring, as i am looking for a Queensland sandstone colour and i am going to mark the whole thing to make it look like sandstone blocks.

Jack if you read this, it would go terrific on your brickwork as that is where i am using it.

Rgds Ian  

[pimanjc]

In my thread on "curved tunnel" I used power concrete dyes in the construction.  I chose a combination of brow and black dyes to achiece a dirt color.  I have found that there are more consistant colors through the batch if the dye  is mixed into the water before adding to the concrete/mortor mix [50-50].

http://www.trains.com/trccs/forums/989741/ShowPost.aspx

JimC.

[Anonymous]

If you want the one Ian was speaking of I have it in .PDF and it is a good bit of info! By the way

[Anonymous]

Hey William i didn't realise that you live near Houston Texas, I have been to Dallas several times; I was doing business with Texas Instruments at the time.

Rgds ian