Concete Wetting Question - Building & Construction - DIY Chatroom Home Improvement Forum

Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction


Thread Tools Display Modes
Old 06-21-2011, 09:27 PM   #1
Solutions (handyman)
Join Date: Apr 2009
Location: Central Alberta Canada
Posts: 369
Rewards Points: 320

Concete wetting question

After pouring concrete, I've always thought to keep it damp to allow slow curing. Recently I heard that this is a no-no and watering should not be done. Any information would be useful. ... Also, if one is to add a sealer, when should this be done? During the curing or after a total hardened finish?


Mark Harvey is offline   Reply With Quote
Old 06-21-2011, 10:16 PM   #2
Concrete & Masonry
Join Date: Nov 2008
Location: Wisconsin
Posts: 3,149
Rewards Points: 2,850

Concete wetting question

If a curing compound or cure & seal is applied early, the watering will have little positive effect on the concrete. As a matter of fact, it can have negative consequences quite often. For the old-fashioned watering approach to be effective, you need to keep the entire concrete surface wet at all times for at least 72 hours. If you allow it to dry, and then spray it with cold water, the slab can be subjected to thermal shock from the instant temperature variation, negating any potential benefit of keeping it moist.

The more modern approach is to apply a curing sealer to the concrete as soon as physically possible. Personally, I've been using a water-based sealer for many year now that I typically put on within an hour of the final brooming of the concrete. Others still use solvent-based sealers as their choice, which really shouldn't be applied until the slab can support a human's weight without damaging the slab IMO.

There are other sealers that are intended for long term sealing, most of which require the concrete to cure between 7-28 days before application.

I hope that was confusing enough...........


jomama45 is online now   Reply With Quote
The Following User Says Thank You to jomama45 For This Useful Post:
Mark Harvey (06-22-2011)

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
DRIcore question trailblazer1229 Flooring 0 02-24-2010 10:25 AM
3 Phase meter socket question a320200 Electrical 4 12-11-2009 01:45 AM
An unasked question is the only dumb question jackie treehorn Kitchen & Bath Remodeling 1 09-20-2009 09:24 PM
A question about water preassure. reasonforseason Plumbing 5 04-14-2009 05:36 PM
Basement Renovation Question KUIPORNG Remodeling 234 08-26-2008 09:19 AM

Top of Page | View New Posts