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-   -   How can I fix this doorstep? (http://www.diychatroom.com/f19/how-can-i-fix-doorstep-7025/)

handbanana 03-10-2007 11:24 AM

How can I fix this doorstep?
 
http://img156.imageshack.us/img156/1074/12209580ib8.jpg

http://img403.imageshack.us/img403/806/30888011hy0.jpg

redline 03-10-2007 03:32 PM

Break out the bad section and repour a new step.

AtlanticWBConst. 03-10-2007 05:09 PM

Get all the loose components out of the steps and then check out this site: Epoxy resins (Super strong and super bonding):

http://abatron.com/index.html

Home page has 6 little boxes showing before & after pics. Click on the lower right...and check out the step repairs.

Check out their 'Aboweld' product

This is the product for concrete (abocrete):

http://abatron.com/cgi-bin/shop/inde...6.3810&pid=122


We have used their products: :thumbsup:

handbanana 03-11-2007 01:32 PM

Quote:

Originally Posted by redline (Post 36455)
Break out the bad section and repour a new step.

How, and what concrete should I use?

redline 03-12-2007 12:12 PM

Quote:

Originally Posted by handbanana (Post 36600)
How, and what concrete should I use?

You can use a hand held grinder with a masonary blade or a circular saw with a masonary blade to seperate this step from the rest and then jack hammer it out. Build a wooden form and then fill the form with the concrete. Ask your local hardware store for the type of concrete needed in your area.

This process will be time consuming. You may want to call around and get estimates to have this done. It may be cheaper to have some else do it.

AtlanticWBConst. 03-20-2007 06:45 PM

HandB.

I found this info (Fact sheet) for the material I recommended earlier to you. We just picked up a contract to repair 21 flights of stairs. We are going to use the product shown:

http://www.abatron.com/pdfs/aboweld_55-1.pdf


It's stronger than concrete, check the technical data on the PSI ratings...

handbanana 03-28-2007 02:19 PM

As I was trying remove the surface of the step, I found out that the step had dirt inside, not concrete. The concrete only held it together. Is this normal? Shuld I call a professional or just try to fix it myself?

Brik 03-28-2007 04:20 PM

Fix it yourself.

The stuff Atlantic is talking about is super strong but not required in my opinion. Just break away anything loose. Remove the loose fill dirt. The step probably failed because the concrete was too thin (Thickness from surface to fill dirt).

Get everything cleaned up and just mix some concrete. The Sakrete brand concrete should be fine. I do not even think you need the "high strength" or fast setting stuff. Actually better off NOT using fast setting.

Oh, before you mix you will need to do some carpentry and build a wooden form in the shape of the step you are making. You can use plywood or 1x? boards. Make sure your boards will not move and that the space to fill is exactly the correct size/shape of the step you are making. Wet the form before you pour so it doesn't suck the moisture out of the concrete when you pour.

Mix the concrete as per the bag instructions for consistency. I find that I do not use the water to concrete measurements on the bag. I just mix it up until I'm satisfied with the consistency.

When you pour it in you will need a few tools to trowel it smooth and to float out the top. When it starts setting up, after smoothed, you can take a broom to it and drag in a bit of texture to make it less smooth so its not slippery.

You may also want an edger so you can round off the front edge. So, at a minimum you want a float/trowel and an edger to do your finishing.

As for busting out the old - Just a cruddy ole hammer will do the trick.

handbanana 03-28-2007 05:31 PM

Thanks. I'll try it your way!

Quote:

Originally Posted by Brik (Post 38719)
Fix it yourself.

The stuff Atlantic is talking about is super strong but not required in my opinion. Just break away anything loose. Remove the loose fill dirt. The step probably failed because the concrete was too thin (Thickness from surface to fill dirt).

Get everything cleaned up and just mix some concrete. The Sakrete brand concrete should be fine. I do not even think you need the "high strength" or fast setting stuff. Actually better off NOT using fast setting.

Oh, before you mix you will need to do some carpentry and build a wooden form in the shape of the step you are making. You can use plywood or 1x? boards. Make sure your boards will not move and that the space to fill is exactly the correct size/shape of the step you are making. Wet the form before you pour so it doesn't suck the moisture out of the concrete when you pour.

Mix the concrete as per the bag instructions for consistency. I find that I do not use the water to concrete measurements on the bag. I just mix it up until I'm satisfied with the consistency.

When you pour it in you will need a few tools to trowel it smooth and to float out the top. When it starts setting up, after smoothed, you can take a broom to it and drag in a bit of texture to make it less smooth so its not slippery.

You may also want an edger so you can round off the front edge. So, at a minimum you want a float/trowel and an edger to do your finishing.

As for busting out the old - Just a cruddy ole hammer will do the trick.


gary 03-28-2007 06:55 PM

Just took a look at your pictures, are you in an area where there is freeze/ thaw cycle? If you are, after you have made repair I would seal the sides of your steps to keep water from penatrating under the steps. I thinks Alantic suggested a site for expox and repairs to concrete, take a minute and check them out. Up here where I live, rocksalt is big killer of concrete. You can do this just take your time, ask at the lumber store what and how to use.
Gary

handbanana 03-31-2007 12:00 PM

should I make some sort of base under the step. Because there's just mud under it. If I pour the step on mud, it might shift its position in the future..


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