Stucco wall and alucobond materials? pls help

[Scostumatu]

Hi all

these are 2 materials i always try and improve. My stucco material (attached) can be controlled in the following ways.
It has 2 diffuse layers, the main diffuse controls only the 'bump' and 'size' of the material while the diffuse1 controls the actual colour of the stucco. Be mindful that in sketchup, you will only see the bump map material displayed on your model.

I would LOVE to know your method of creating this stucco wall material. Im happy with mine, but i know ive seen better out there. In particular nomeradonas one in this tutorial - not sure if it was photoshopped or an actual shader...
http://sketchupvrayresources.blogspot.com.au/2011/08/making-of-flowing-tap-water.html

ALSO, i would love to know your method of creating alucobond - see the attached image. I have also attached my shader for this but im not convinced by it. Your help would be appreciated.

S
STUCCO
http://www.mediafire.com/?57dj521tm3dz629

ALUCOBOND
http://www.mediafire.com/?466dc2bfbcjtb68

ALUCOBOND SAMPLE FROM GOOGLE IMAGES

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[rspierenburg]

You could try this material for the metal.

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Metal Panel

[Scostumatu]

@rspierenburg said:

You could try this material for the metal.

thanks so much ill give it a try