HOW TO sand MDF shaker doors
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- เผยแพร่เมื่อ 5 ธ.ค. 2020
- First step - saves me 1 coat of primer! Sanding before primer with 320 grit sandpaper - until it becomes a bit gloss and very smooth ( some call it polishing raw mdf)
But
Here's my go to system for painting MDF door:
1) sand
2) prime 1st coat
3) sand
4) prime 2nd coat
5) light sand
6) two coats wet on wet
All 2k polyurethane system ( either water or solvent based polyurethane)
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![Painting MDF Doors [video 407]](http://i.ytimg.com/vi/ZIwNJGlVtwc/mqdefault.jpg)
![Painting MDF Doors [video 407]](/img/tr.png)
Not only is it a coat and time saver sanding well prior to primer, it sometimes is quite a headache to sand back down smooth AFTER primer. Once you saturate some MDF panels and the fibers raise, it becomes extremely rough, and sanding it back down can sometimes take twice as long. Thanks for sharing this advice 🙏🏻
this is a great video, one of the best on sanding new raw cabinet doors. it should have way more views people are missing out
Thank you 😊🤝
this is the best technique for painting mdf cabinet doors
👌😉👍
Great Video!! Enjoy the videos you put out...Thanks for your time and sharing
Thanks Rob ! I appreciate it! 😊🤝 lots more to come
I've been putting together some speaker cabinets and learning to finish MDF for the first time. This video was really helpful!
Thanks man! I’m glad it helps - let’s stay in touch on Insta - keep up the good work my friend
Great and informative shot! I am really enjoy watching it!👍👏🔥
Thank you 😊🙌
very good job great attention for details thanks
Thanks Michael 😊🙌🤝🤝🤝🤝
thanks for the tip
You’re welcome buddy 😊🙌🤙
Thanks for helpful tips. I'm about to try my hand at making some doors this weekend. I had no idea where to start with the finishing process until I came across your video. Those are some pricey sanders you're using, but I"m sure well worth the money. Cheers!
Hey Michael. It doesn’t have to be these exact same sanders. Any affordable substitute would do the same job.
The reason we have these is cuz we use it pretty aggressively every single day. And obviously they need to be reliable
Thank you for your videos. I follow them to a tee. The only problem i am having is that when I use the 1.25 pocketing bit it leaves ridges where it passes over. Also my 45 degree bit at the corners is not nice and clean. Any advice would be greatly appreciated.
Thank you
ps we re surfaced the cnc bed so its not that.
Sorry brother this issue is a bit too complex for a quick solution. It could be a loft of different things - and I heard that bigger companies run into it at times . Sorry couldn’t help much 🙌
What mdf is that? When I get my shaker doors from perfectli flat mdf sheet, they all got warped. Is it possible to fix it?
The best way I found is to use mdf with melamine back
Thanks for this video, Can you explain what wet on wet means? does it mean yo ucan spray a second topcoat over the first topcoat without sanding? How does that work? would it affect adhesion if you dont sand?
Hey Aaron. Yes that’s exactly what it means.
With polyurethanes you can do wet on wet. Second coat melts into the first one. You usually have a window up to -2 hours .
Do you mind sharing what 2k poly urethane you use?
Yeah man absolutely.
We use Evo, cic, envirolak
What are the primer and top coat do you use for cabinet doors? BIN shellac base primer? Thanks.
no. 2 component polyurethane for both primer and top coat
hey nice video man it helps a lot i just have a question When your mdf has a lot of pores and you sand it and you still can see a lot of them what do yo do to cover them to leave it nice and smooth?
Hey Alex - that means you use wrong mdf. The proper mdf is called platinum (highest quality mdf with very consistent core density ) - it has almost no pores.
But to help you get out of a tough situation if you’re already in it. Fill in the pores with white filler and when dry sand flat. Prime . Top coat.
@@KonstantinUdalov Thank you so much ill give it a try
Константин здравствуйте ещё раз, будьте добры подскажите пожалуйста, какой номер наждачной бумаги лучше всего для затирания внутренних дверей перед нанесением pre vanish. И ещё какой цвет varnish вы посоветуете чтобы не получился оттенок красного. И вообще что лучше для деревянных pine дверей stain or varnish. Спасибо огромное
Ухо сколько вопросов. 😊 я советую использовать 2х компонентный полеуретан. Не варниш он токсичен. Грунт полеуретановый - белый. Верхний слой один. Достаточной толщины и один слой будет достаточно. Наждак - зависит от типа материала. Мдф новый - 320. Старое дерево лакированное - в основном 180
@@KonstantinUdalov спасибо большое🙂
What product primer and finish you use ?
Hi Ivan. We use polyurethanes . 2 component water based and solvent based.
Water based - Cic , envirolak, Renner,
Solvent based - sivam, Sirca, polystuck, Renner
ever use waterborne primer? the fibers stilk raise back again
What primer are you talking about in particular, Mark?
@@KonstantinUdalov most of the waterbased does it on raw mdf especially, milesi hbt603, chemcraft aquaprime, I started using moisture resistant mdf which helps a little
@@markhorton9020 We use solvent based 2 k poly primer - so we don't really have an issue - but we are moving to a infra red catalytic drying system so the wb primer would be no problem . Thin coat - dry/cure in 30 min , quick sand through our automated sander and ready for full thick coat of 2k primer - no grain raise.
Bro you said the same thing over and over, I liked the video but cut the talking a little bit👍
Thanks bro!
I’m working on it 🤓☺️🙌 appreciate the feedback
No problem brother I’m a painter too and your video helps a lot.