In most cases only one coat is necessary to prime most surfaces. If excessive absorption occurs over very porous substrates a second coat may be necessary.
You only need to sand if there are brush strokes or other blemishes. Also you don't need to sand between coats.
Can you paint over Zinsser BIN Aqua? Yes, you can paint over Zinsser BIN Aqua with almost any type of paint. It makes the perfect base coat in many situations.
I have found that Zinsser BIN primer (shellac based) works really well on MDF. 2 coats of primer with a light sanding in between gives a great base coat for painting. And the primer dries super quick so you can have 2 coats on and start painting the same day.
Zinsser 123 Plus is a primer, so it should not require an undercoat. However, if you want to achieve better coverage or hide any existing colours or stains, you could apply a coat of watered-down emulsion before applying the topcoat over the Zinsser. This can also help to create a smoother finish.
In most cases only one coat is necessary to prime most surfaces.
B-I-N® is the ultimate primer, sealer and stain killer. It offers unparalleled adhesion on any surface without sanding and has the hiding power to conceal the toughest of stains.
Zinsser B-I-N® is great for priming interior surfaces and spot priming exterior surfaces. It is formulated to seal, prime and block out stains on previously painted or new work and dries in minutes.
Typically, one to two coats of MDF primer are sufficient. The first coat seals the surface, and the second coat ensures complete coverage and smoothness.
A: the primer is quite runny, so I found that a short-nap roller on smooth surfaces worked best.
Original Kilz Primer allowed more seep through when put in two coats to two different walls in the same area, whereas Zinsser provided superior coverage.
Zinsser BIN is shellac-based, whereas 123 is water-based. This makes Zinsser Bullseye 123 a lot quicker and easier to apply. It's also better suited for use on bare wood, or to prime plastic and composite before painting. BIN may be harder to apply, but it is by far the better stain block.
Zinsser BIN primer is the original pigmented shellac stain-killing primer-sealer. It is great for knots, water stains, fire and smoke damage. It is ideal for interior new wood and dries in minutes; re-coat in 45 minutes. Seals in tough stains, pet, smoke and fire odours.
Once you've completed your last coat of primer, you should go ahead and sand before applying your first coat of base color. However, there is no reason at all to sand between coats of primer. It will only add more work to your plate with no visible benefits.
Apply with a natural or synthetic (nylon, polyester or blend) bristle brush, roller, or airless sprayer. Follow manufacturer's instructions when using spray equipment. For airless spraying use a 0.011"-0.013” tip at 800 to 1200 psi. If a conventional sprayer is used, spray at 45-55 psi.
Zinsser Bin Shellac based primer is the best stain blocking primer available. BIN is great for blocking stains, odors and wood knots. While it is not a bonding primer, it does have strong adhesion.
You will want to use 2-3 coats of primer to ensure there is a good bond between the new paint and the wall, and also to cover up any previous colors, especially if they are red, orange, or a strange outdated color. In short, you will typically need 2 coats of primer for most painting projects.
Generally, two thin coats of primer are recommended for MDF.
You should always prime MDF before painting it. MDF is an absorbent material and any paint you apply will become absorbed into the wood. This means that you will use more paint than I necessary. MDF can be painted without a primer, but you will not get the best end results.
Yes, The Zinsser BIN Primer can be painted over.
We would highly recommend using Dulux Trade Quick Dry MDF Primer as it acts as a primer and undercoat in one that has been specially designed for use on MDF. It can be used on interior and exterior MDF and as a water-based primer is quick-drying and low odour.
B-I-N® Aerosol is great for priming interior surfaces and spot priming exterior surfaces. It is formulated to seal, prime and block out stains on previously painted or new work and dries in minutes. It effectively blocks every kind of odour and can be used in areas where incidental contact to food items occurs.
One coat, applied properly, is all you need. The two finish coats will even up the colors. BIN isn't specifically made to seal odors, it just happens to be great at it. Give it a scuff sand after application to knock down the garbage that may have been applied during priming.
What is the difference between Zinsser BIN and Zinsser Bullseye? Zinsser BIN is a shellac-based paint, Bullseye 123 is water-based.
Also consider fossa Block & Bond as a direct alternative to Zinsser BIN, it's a bit nicer to use, and quite a bit cheaper: Zinsser BIN Primer Sealer and Stain Blocker seals surface pores so you use less finish paint.