Views: 169

Comment by Christian Maucieri on April 20, 2011 at 3:59pm
Very Nice Tammy! What product did you use on the stairs?
Comment by Christian Maucieri on April 20, 2011 at 4:01pm
What was your method of preparation for going over a wood substrate
Comment by Tammy Chebny on April 20, 2011 at 4:23pm
I used lath and binder on the plywood, added fiber into the sand topping mix scratch coat on the stairs, and I added fiber into the "Specco" concrete overlay material that I used on the treads only.  everything else is "Vertifaux" over a sandtopping mix scratch coat.  I used "Butterfield" acid stain on the treads for traffic wear purposes and "Butterfield" colors on everything else.  I have since learned that next time, instead of plywood on the treads/stairs, I will use cement board like they use in showers/baths.  I think that would be a more solid substrate for this type of application.  So far, there are no problems with it.  I did put a really durable sealer with a nonslip additive on the treads to keep salt and other chemicals from destroying it since it's in a garage.
Comment by Christian Maucieri on April 20, 2011 at 4:28pm
Very cool! What do you mean when you say you used a binder?
Comment by Tammy Chebny on April 20, 2011 at 4:32pm
I guess I should have said a Bonding Agent.  I used "Specco Bond".  It's a white milky liquid that I sprayed over the substrate before I applied my scratch coat.
Comment by Christian Maucieri on April 20, 2011 at 4:37pm

Turned out very well!

Comment by Don Hansen on April 20, 2011 at 10:58pm
Beautiful work. The coloring turned out very good.
Comment by Dale Messenger on April 21, 2011 at 5:00pm
Very nice colors and work! Looks good I have a project similiar to this coming up. Do you find the wood substrate to be strong enough? Would you find it to hold up to outside weather?
Comment by Tammy Chebny on April 21, 2011 at 9:37pm
The wood framing is strong, but the wood shrinks and swells with temperature and humidity.  On an outdoor project where it is exposed to the elements, I think I would use products that resist the elements.  I would for sure use a exterior primer on any exposed wood surfaces to lock out moisture and where the treads will be, I would prime that surface and then screw cement board down onto your wood substrate so that the concrete on the treads and platform do not crack.  I don't have cracking on mine, but it is inside a garage.   The Specco concrete overlay that I used for the platform and treads  has a pretty high psi.  I'm thinking it was like 4,000 or 7,000 psi.  I put fiber and a polymer in my scratch coat.  I also put fiber in my concrete overlay mix.
Comment by Jody Smith on April 22, 2011 at 12:12am
Nice work Tammy it looks awesome, great job!

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