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The Daily Insight

Whats a bonding primer

Author

Nathan Sanders

Published Mar 14, 2026

When you have a difficult surface such as knotty or tannin-releasing wood, slick glass or metal, or even weathered paint on wood, you need a bonding primer. This primer bonds especially well to highly porous and otherwise poor surfaces because, physically, it lays on and stays on like a thick plastic blanket.

What is bonding primer used for?

When you have a difficult surface such as knotty or tannin-releasing wood, slick glass or metal, or even weathered paint on wood, you need a bonding primer. This primer bonds especially well to highly porous and otherwise poor surfaces because, physically, it lays on and stays on like a thick plastic blanket.

Do you need concrete bonding primer?

Without it (bonding primer), there’s nothing for the coating to grab onto,” says Pachade. If the concrete substrate is not primed, “You’ll see pinholes because the concrete is breathing.” You will have even more problems if you’re topcoating over old concrete.

Is bonding primer different than regular primer?

Depending on the product, bonding primers can also offer the advantage of accommodating lots of different coatings, including hot coatings with a high solvent content. Whereas an exothermic reaction may cause a major problem with a regular primer, the premium products can accept just about anything.

Can you mix bonding primer with paint?

No, you can’t. To achieve these, you need to mix close to a lighter paint with the primer. Alternatively, for a dark color, you will require two or more tinted primer coats depending on the final outer color.

Can you use bonding primer on aluminum?

Rust-Oleum® Universal Bonding Primer is a professional grade maximum adhesion white primer. It firmly bonds any top coat to difficult-to-paint surfaces. The formula quickly and easily adheres to bumpers, trim, plastics, fiberglass, galvanized steel, aluminum, and other metal surfaces.

Can you use bonding primer on wood?

Cover a Wider Range of Problem Areas. Make lighter work of challenging surfaces, both interior, and exterior; this includes glass, fiberglass, PVC, laminate, plaster, drywall, wood, tile, galvanized metal and masonry. You can even cover areas where a low surface temperature might be problematic for conventional primers …

What is the best primer for adhesion?

  • Water-based:
  • Zinsser Bullseye 1-2-3.
  • Tikkurila Otex Akva.
  • Crown PX4.
  • Whitsons.
  • Solvent-based.
  • Crown PX3.
  • Zinsser All-Coat Multi-Surface Primer.

Can I use bonding primer on cabinets?

INSL-X STIX Waterborne Bonding Primer INSL-X STIX Waterborne Bonding Primer is a great option for laminate cabinets. This primer is designed to bond to hard-to-coat surfaces to ensure application is easy and that you get a beautiful finish. It works on a variety of other surfaces and dries in 30 minutes.

How long does it take bonding primer to dry?

Dries to the touch in 30 minutes and dries to handle in 1 hour. Apply a second coat or topcoat at anytime.

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Is bonding liquid waterproof?

Bonding Liquid is an acrylic latex additive that can be used with all cementitious based products in order to improve adhesion, flexibility and waterproofing properties. … It can also be used as a waterproofing agent in ponds, parapet walls, screeds on patios and slabs underneath pool paving and more.

Should I sand between coats of primer?

Actually, sanding between coats of primer is pointless. Once primer is dry, you should sand the primer before moving on to the basecoat color. … Sanding between layers of clearcoat is also not recommended. Wet sanding and polishing the final layer will yield a better result than doing it between each coat.

How do you seal concrete before painting?

Concrete primer is specifically designed to absorb into the surface of concrete, filling imperfections and creating a smooth surface for the paint. Most primers will dry in a few hours, but home improvement professionals suggest waiting a full eight hours after priming before applying paint just to be sure.

What kind of primer should I use on concrete?

Acrylic/Latex: Because concrete is porous, a water-based or acrylic primer is more likely to soak into the concrete than an oil-based primer, bonding to the substrate and allowing the paint to grip the surface. These primers will also reduce the dust on interior concrete.

What is the best bonding agent for concrete?

Epoxy Resin is known for being the most versatile of all concrete bonding agents. This bonding agent is ideal for high performance and lightweight parts. Characterized as being strong but brittle, Epoxy Resin can be formulated to become more flexible without losing its tensile strength.

Can you use white paint as primer?

Now that we know how white paint works, let’s see if it can be used as a primer. White paint cannot be used as a primer because it will not be durable and effective. As opposed to primer, which is used to ensure a smooth finish by binding all paint particles together.

Can I use same brush for primer and paint?

So as long as you are using the same type of paint yes most of the time. You might want to use a finer bristle brush on the finish coat for a smoother finish though. If the primer and paint are both acrylic or both oil and the brush has been thoroughly cleaned of the primer, this shouldn’t be a problem.

Can I use regular paint as primer?

Can Paint Be Used As Primer? If you paint a wall or wood surface, such as the walls of your house, you can make your own primer for a significant savings. Paint that is easily thinned to be a smoothing agent on the surface will be able to be used as a top coat.

What kind of primer should I use to paint wood furniture?

Primer must match the type of paint you have chosen. For furniture, it’s best to use a satin or semigloss finish in either a latex or an oil-based paint. Never leave primer unpainted. If you choose a latex paint, a latex primer is an excellent choice for most uses.

Is kilz better than primer?

Oil-based products typically go on very smoothly but take longer to dry and have much stronger odor. … Although it does not affect performance, you’ll notice that this primer appears more off-white than competitors products. Superior coverage combined with a cheaper price make Kilz the obvious winner.

How long does it take for Valspar bonding primer to dry?

Sand smooth, then prime entire surface or spot prime patches. Stained surfaces: Clean the surface thoroughly and allow to dry before applying primer. Allow to dry for 4 hours after priming and apply your paint in a test area to validate blocking prior to painting your whole area.

What kind of primer should I use on aluminum?

For longer-lasting, better-looking paint on aluminum surfaces choose Rust-Oleum® Professional Aluminum Primer Spray. This durable, spray-on base coat ensures a tight-binding top coat that eliminates the problems of blistering, flaking and peeling.

What's the best primer for aluminum siding?

Kilz Adhesion Primer is my go to primer for priming exterior aluminum siding. It is a high quality primer for interior and exterior use on metal, glossy, and chalky surfaces. Zinsser is a brand I trust for all kinds of projects, including exterior priming.

What is a good oil based primer?

  1. KILZ Interior Oil-Based Primer – Best Overall. …
  2. WeatherAll Exterior Oil Based Primer Sealer. …
  3. Zinsser Cover Stain Oil Based Primer – Best Value. …
  4. Rust-Oleum Oil-Based Primer. …
  5. INSL-X Prime Lock Plus Alkyd Primer. …
  6. Rust-Oleum Zinsser Odorless Primer & Stain Blocker.

What kind of paint is best for kitchen cabinets?

While oil-based paints make a case for themselves with their reputation for easy application and a long-lasting finish that can be scrubbed and cleaned regularly, latex paint is widely regarded as the best choice for most kitchen cabinets, since it offers lower levels of VOCs and is quicker to dry.

Does Behr make a bonding primer?

BEHR® Bonding Primer. For painting projects that involve “tough-to-paint” Interior/Exterior surfaces, choose BEHR® Bonding Primer. … Dries to a non-reflective finish that provides a sound anchor for paint.

Should I use primer before painting cabinets?

Prime Kitchen Cabinets. Applying primer is an important step in the painting process. Primer provides a suitable surface for the paint to stick to and it covers imperfections.

What is a good bonding primer paint?

  • KILZ L211101 Adhesion High-Bonding Interior Latex Primer and Sealer – Best Premium Option.
  • Zinsser Bulls Eye 1-2-3 Water-Based Interior and Exterior Primer – Best Overall Option.
  • KILZ Original Multi-Surface Stain Blocking Interior Oil-Based Primer and Sealer – Best Stainblocking Primer.

Should you prime before painting walls?

Always prime your walls before painting if the surface is porous. The surface is porous when it absorbs water, moisture, oil, odors or stains. … This material will literally absorb your paint right into it if you don’t prime first. Untreated or unstained wood is also very porous.

What is a blocking primer?

A stain blocking primer is designed to provide more robust coverage and prevent stains from bleeding through newly applied layers of paint. Typically, these are oil-based primers or alcohol-based primers that come with the extreme stain blocking that you need.

Do I really need to wait 4 hours between coats of paint?

After your first coat of paint is dry, it’s safe to recoat typically after four to six hours. A good rule of thumb is to wait at least three hours to recoat your paint or primer if it’s water-based. Waiting 24 hours is best for oil-based paint and primer.