Can you use interior undercoat outside?

Asked By: Pascasio Stockbrugger | Last Updated: 20th March, 2020
Category: hobbies and interests painting
4.5/5 (476 Views . 42 Votes)
Yes, both contain the same pigment and have the same sheen, and yes, of course they're both paint. Latex and acrylic paints are water-based, while alkyd paints are oil-based, and both interior paints and exterior paints come in both types.

Click to see full answer


Similarly, can interior primer be used outside?

Primer Basics Oil- and shellac-based ones are primarily intended for outdoor use, while latex ones are for use indoors or out, depending on the amount of solids they contain.

Also Know, is there a difference between interior and exterior paint primer? Consequently, there really is NO difference between interior and exterior latex primer. If you find a latex primer claiming to be "for interior use" or "for exterior use", the difference will be that one smells less as it dries than the other. There would be very little difference in the dry primer film left behind.

In this manner, can you use interior paint on the exterior?

No, you cannot use interior paint outside due to a number of reasons, these includes the quantity of resin, which is higher in exterior paint then interior paint; resin gives paint higher intensity using which is binds the pigment to the surface.

What is the difference between interior and exterior paint?

Different paints have different properties, and are formulated for different purposes. Interior paint is made to be scrubbed, resist staining, and allow cleaning. Exterior paints are made to combat against fading and mildew.

28 Related Question Answers Found

Can you use primer as exterior paint?

Use primer when you're painting a porous surface or a surface that most paint won't adhere to. Also use primer when you need to cover a dark color with a lighter one. You don't always have to use primer before paint. Primer and paint have different purposes, make sure you are using it right.

Is exterior paint waterproof?

Professional Grade Waterproof and Elastomeric Paints
Including Waterproofing Grade paints, Elastomeric paints, Mold and Mildew Resistant Paints and High UV resistant Paints. All provide beautiful exterior paint colors and long term weathering resistance on masonry, concrete, EIFS and similar surfaces.

What is a bonding primer?

KILZ® Adhesion Interior & Exterior Bonding Primer is a water-base, modified-acrylic primer specifically formulated to bond to a variety of 'tough-to-paint' surfaces. Its advanced chemistry provides a sound anchor for topcoats while reducing or potentially eliminating the need for sanding dense, glossy surfaces.

What is the best exterior paint primer?

Best Wood Primers in March, 2020
# Wood primer Coverage (quart)
1 KILZ Premium Editor's Choice 75 - 100 sq ft
2 Zinsser B-I-N up to 100 sq ft
3 KILZ MAX 75 - 100 sq ft
4 Rust-Oleum Painter's Touch up to 120 sq ft

How many coats of primer do I need?


Generally, one to two coats of primer will suffice for painting interior walls, but how many you'll need depends on the wall material, the paint color, and the type of primer used. Keep reading for the magic number of primer coats for all types of interior painting projects.

Should I use oil or water based primer?

Water based primer versus oil based primer paint
Basically the difference between the two primers is: Water based primer is for acrylic or latex paints and oil based primer is for enamel paints. It is far easier to clean the water based primer as turpentine is not needed – just a good wash with warm soapy water.

How long can primer sit before painting?

Most latex primers dry to the touch within 30 minutes to 1 hour. But do not paint the wall until the primer dries thoroughly, which can take up to 3 hours. High humidity and cool temperatures prolongs drying times.

What happens if you mix interior and exterior paint?

For example, if you mix interior paint with exterior paint and use it outdoors, you will degrade the durability of the exterior paint, and it probably will not last as long as you would like. In addition, if you happen to run out of the mixed concoction, the paint center will not be able to recreate it to match.

Can you paint interior with exterior paint?

Exterior paints should not be used inside as the mildecides used are not designed for interior use and can cause respiratory problems in some people. The higher volume of acrylics in the exterior paint could also be the cause of the lingering odor.

Is latex paint waterproof?


Originally Answered: Is latex paint waterproof? Considering paint is just a finish applied to things like a skin the answer is no. In a sense it is used like a waterproofing coating.

Which type of paint is best for exterior walls?

Acrylic masonry paint, which is water-based, is usually the best paint to use on outside walls. This paint is great for waterproofing your walls, yet simultaneously allows moisture that is already within the walls to evaporate.

What is the best paint for outdoor wood?

Here is the best exterior paint you can buy:
  • Best overall: Behr Premium Plus Ultra Exterior Paint and Primer in One.
  • Best for siding: KILZ Exterior Siding, Fence, and Barn Paint.
  • Best for wood: Rust-Oleum Zinsser PermaWhite Exterior Paint.
  • Best for brick: Glidden Premium Semi-Gloss Latex Exterior Paint.

What happens if you use indoor stain outside?

Interior lacks the UV protection of the exterior product, so it will fade if exposed to the sun. If not, it will last just as long. And if you re-stain with the same exterior color it will be darker. You may need to go lighter with the exterior stain to keep it close to what you are looking to have.

Is exterior paint oil based?

Oil-Based Paint. Water-based paint is typically used for most exterior applications, but oil-based paint may work better on metals and bleeding woods. Latex paints with an all-acrylic binder hold up to weather better than those with a vinyl-acrylic binder.

Is acrylic paint waterproof?


Acrylic paint is not really waterproof. It is water resistant to a big extent since it is a polymer. But is porous so it will absorb water little by little. Once it absorbs water it will fill softer until it dries again.

Can you use interior paint on wood?

Painting on a wooden surface is not a good choice of material. The furniture can be painted using wall paints, however, there is no guarantee about the durability of the paint. As it is not a suitable paint for wooden surfaces, the paint may not last as long as you would have expected.

Should I use exterior paint in bathroom?

Yes, there is. Exterior paint contains certain fungicides and UV protective additives that are not approved for interior use. They can be added to any paint, even flat ceiling paints and texture paints, to make them more "bathroom friendly" and mildew resistant.