New Concrete Over Old Concrete Pier - Concrete, Stone & Masonry - DIY Chatroom Home Improvement Forum

Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Concrete, Stone & Masonry


Thread Tools Display Modes
Old 09-05-2016, 11:33 AM   #1
Join Date: Feb 2012
Location: Toronto, Canada
Posts: 61
Rewards Points: 124

New Concrete Over Old Concrete Pier

I've started rebuilding the foundation of my shed. I just discovered that I have concrete piers (likely 4' deep cause we're have freeze here). The picture shows the concrete pier from the side, because I have not moved the shed off the existing foundation yet.
However, since those concrete piers were poured decades ago, the yard has been re-graded, so now some of those poured concrete piers are below grade by as much as 3".
I am planning to add new concrete to the top of the concrete piers that are too low, to bring them higher, because attaching my new shed base (PT wood) to a concrete pier that is below grade is only asking for future rot.
BUT, the surfaces of the existing piers are not flat (so I can't just drop a concrete block on the top). The round formed concrete (3" high) protrudes from the footing, and then there is a metal post anchor (4" high) in the top of that. So I would have to add at least 7" of new concrete.
Can I just place a form, add concrete adhesive according to directions, and throw in the 7" of new concrete and a new post anchor? Or is there something else I need to consider?
Thanks for your help.
Attached Thumbnails
New Concrete Over Old Concrete Pier-poured.jpg  


succeed is offline   Reply With Quote
Old 09-05-2016, 03:05 PM   #2
Join Date: May 2012
Location: Sarasota,Florida
Posts: 2,924
Rewards Points: 3,748

Re: New Concrete Over Old Concrete Pier

Sounds like a plan, just be sure you clean the tops of the existing piers well, before you add the bonding agent.


Canarywood1 is offline   Reply With Quote
The Following User Says Thank You to Canarywood1 For This Useful Post:
succeed (09-05-2016)

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Concrete shower floor and drain issue whoowl Kitchen & Bath Remodeling 0 07-24-2015 04:10 AM
Reuse Concrete Fence Post Pier & Fence Post Extraction JasonCA Landscaping & Lawn Care 2 03-24-2012 08:58 PM
Repairing concrete slab in shower JohnRoss Building & Construction 0 08-08-2011 01:20 PM
Do I need a form for the concrete pier or just fill up the hole I dug? graysqwrl Building & Construction 1 07-20-2011 07:44 PM
how to fill the gaps between concrete blocks? micapavlov Building & Construction 4 01-03-2010 04:53 PM

Top of Page | View New Posts


Search Engine Friendly URLs by vBSEO 3.6.1