What is Skim Coating? Also known as a level five drywall finish. In this video I'm going to take an in-depth look at the technique of skim coating. I get a lot of questions on all of my skim coating videos when should I apply skim coat? how do I mix the skim coating mud? how do I apply a skim coat to my walls or ceilings? I even get comments from fellow drywaller's that skim coating is stupid! I'm going to try and clear all this up today in this what is skim coating video.
Yes, skim coating new drywall sometimes is a good idea too. Skim coating is always required for new drywall. but if there's not going to be a texture I recommend it. It's best to throw it then skim coat over all of the new drywall and tape joints all at one time. That way you have a uniform surface to prime and paint. Sometimes when you don't skim coat you can see where the paint absorbs differently into the joint compound and drywall paper leaving the tape joints very visible especially with paint that has a sheen semi gloss or gloss paints. This is called flashing for photographing. Flashing often happens when a lot of natural light is in a room or by a South facing window.
Skim coating is a great way to make all the walls new again. Skim coat is a thin coat of joint compound also known as mud. You can do a skim coat to smooth out damaged walls with. You might need to skim coat if you're repairing after wallpaper removal, after drywall repairs or ceiling repairs, or even if your walls are just doing the damage from every day where in tear from your family.
In general you have to apply at least two skim coats to achieve a smooth surface.
Spread of skim coat on with the trowel or drywall knife over a rough wall or ceiling to create a flat surface for painting or re-texturing.
I'm also going to show you how to mix skim coat mud.
So stick around because I'll showing four you some examples of when I skim coat a level 5 drywall finish.
On this first skim coating project example, I skim coat after wallpaper removal. First I applied a Gardz problem surface sealer and then skim coated two rounds.
The next skimming project was a water damage to ceiling repair. It was in a small bathroom so I skim coated the entire ceiling to have a uniform knockdown texture.
Next skim coating project was a floor to ceiling 1980s style wall mirror that I had removed. All the black mirror mastic was still left on the wall. So I scraped it off with the chisel applied the Gardz problem surface sealer and two skim coats of joint compound to get the smooth finish.
Lastly, I show you my Super Secret Skim Coating Paint Roller Trick! Hahaha... it's my most popular video on YouTube! Thanks so much for watching my skim coating to Tutorial video! -Paul
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Skim coating info from: Gypsum.orghttps://www.gypsum.org/technical/using-gypsum-board-for-walls-and-ceilings/using-gypsum-board-for-walls-and-ceilings-section-vi/
Here's the link to the Finishing Drywall
Systems that I mentioned in this video as a skim coating and drywall finishing reference guide:https://www.usg.com/content/dam/USG_Marketing_Communications/canada/product_promotional_materials/finished_assets/cgc-construction-handbook-ch05-finishing-drywall-systems-can-en.pdf
Here's a couple of the Skim Coating Demonstration Videos featured in this video:
*How to skim coat a wall in less then 10 minutes | Diy Drywall Tips and Tricks- https://youtu.be/9dPFr-fzhgY
*(Part 1)How to skim coat using paint roller trick- Getting rid of Knockdown Texture- https://youtu.be/jeGWbgAUvCM
*(Part 2) How to skim coat trick with a paint roller and joint compound- https://youtu.be/BIvnHgSCaCU
Tools you will need to skim coat a wall or ceiling:
*Dewalt 20V MAX Cordless Lithium-Ion 1/2 http://amzn.to/2GkTnTu
*Paint and Mud Mixer- http://amzn.to/2GhZF6n
*12" Drywall Taping Knife: http://amzn.to/2CdLIa8
*Gardz problem surface sealer by: Zinsser
1 gallon- http://amzn.to/2AW3Uo4
1 quart- http://amzn.to/2B4ZCet
*14 inch mud pan: http://amzn.to/2B9lvpA
*6 inch drywall taping knife: http://amzn.to/2BO1nNo
*Werner Work Platform: http://amzn.to/2kRo8Ft
Below in Paul's Drywall and Painting Shop are some of my favorite hand tools and products :
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