Help with finishing MDF? - Page 2 - Woodworking Talk - Woodworkers Forum
Reply
 
Thread Tools Display Modes
post #21 of 22 Old 05-29-2014, 09:20 PM
Senior Member
 
Join Date: Sep 2011
Posts: 25,991
View Steve Neul's Photo Album My Photos
Quote:
Originally Posted by whiskeypete View Post
I haven't tried this out myself myself but I've read about using flat latex tinted to the color you want then top coating with poly. From what I understand, flat paint cures a lot faster that those with a shine and the you can topcoat with poly to get the protection you need and the sheen you want without being sticky. I'd just be guessing, but in that video i think it looks like semigloss to me. Google "poly over latex" and you find a bunch of advice. I've never painted MDF so I don't know how it reacts, but I hope this helps.

Also, as Bill Boehme said, alot of paints fall under the catagory of "latex". I would ignore advice from those that think latex paint contains latex.
That would work but the polyurethane would need to be water based. An oil base polyurethane would give a yellow cast to the paint and continue to yellow more as it ages.
Steve Neul is offline  
Sponsored Links
Advertisement
 
post #22 of 22 Old 05-30-2014, 02:59 AM
Senior Member
 
Bill Boehme's Avatar
 
Join Date: Feb 2014
Location: North Texas
Posts: 1,057
View Bill Boehme's Photo Album My Photos
Putting latex or any other water based finish on MDF is asking for problems. MDF loves to soak up water and when it does, it swells up like a sponge and the surface becomes very rough. Putting a varnish (poly or any other kind) on top of the latex will only accentuate bow bad the finish really is. I agree with the OP that an oil based paint would work best. There are many oil based paints from which to choose. Polyurethane paint such as Imron would be at the top of the list, but certainly not necessary to go with something that expensive.

If you want to cover it with some type of veneer such as Pergo flooring. Why not go with a particle board substrate whicn would cost less than MDF? Think about the weight of MDF. P,ywood is much lighter.

Bill Boehme
My Photo Gallery
Bill Boehme is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Woodworking Talk - Woodworkers Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Oak finishing help pwoller Wood Finishing 2 02-20-2012 08:27 AM
New To Finishing A Sign From Above Wood Finishing 2 11-09-2011 04:59 PM
Finishing Finishing Ideas airscopes Wood Finishing 7 02-15-2011 10:16 PM
Pen Finishing question (only one feedback in finishing) dollis Woodturning 2 01-26-2009 01:59 PM
Finishing help love2trn Woodturning 3 03-19-2008 09:45 PM

Posting Rules  
You may post new threads
You may 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

 
For the best viewing experience please update your browser to Google Chrome