difference between interior and exterior wood paint
Interior paints dont cause outgassing making them ideal to be used indoors. Interior paint has a moisture resistance of 20 to 40 hours while exterior paint can have a range of 4 to 10 days.
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Paint comprises pigments solvents additives and resins.
. Exterior paints have higher performance than interior ones. Harder resins allow for scrubbing and cleaning. Exterior paint has to withstand the weather without peeling.
Moisture and Temperature Resistance is major difference between interior and exterior paint. Interior paints need to be stain resistant and good at hiding brush and roller marks. Now most exterior paint is water-based with acrylic resins to aid in binding.
This is not required in interior paints. Interior paint doesnt need that flexibility so it uses harder resins that make it tougher against marks. Water a solvent in latex paint while mineral spirits are used in oil-based paint.
They are not affected by rain and do not fade. Youll need to learn a little about the makeup of paint to understand the differences between exterior and interior paints. Exterior paint also uses different resins which binds paint to the surface.
Resin is the ingredient in paint that binds the pigment to the. Interior paints dont have to be as strong though they need to resist. Several years ago concerns about the impact of volatile organic compounds.
However the paint used on the interior is not suitable for exterior use. First of all paint comes in two categories oil-based paint and water-based paint sometimes called latex or. The two significant differences between these types of paint come down to durability and off-gassing.
Not to mention paints meant for the external walls usually keep releasing small amounts of gas for several years. Paints differ in their properties and are designed for different purposes. Some other differences in interior and exterior paint resins include the amount of flexibility required for exterior paints to accommodate expansion and contraction of substrates.
Ever wondered why interior and exterior paint are specific to their uses. Exterior paints need sunlight to cure while interior paints get cured without. The most significant difference between interior paint and exterior paint is that exterior paint has more additives to withstand the outdoor elements.
Other differences between interior and exterior paint involve more than aesthetics. A paint used on the exterior can also be used on the interior if desired. The binding resins for interior paints are rigid which allow interior paint to be cleaned easily and are stain resistant.
16 rows The cost difference between these two types of paint isnt great but its there. Exterior paints are formulated to cure. Meanwhile exterior paints can cause outgassing which may last up to 48 hours depending on the quality of the paint.
Vinyl acrylic resins are often used in interior paints to further enhance its scrub resistance and washability. Interior paints are often more expensive than exterior paints. Exterior paint has to be able to resist moisture from rain snow and wind.
Exterior paints have to be fade resistant as they face very high temperatures while there is no such problem for interior paints. The Difference Between Interior and Exterior Paints Pigments. Exterior paints can be applied to surfaces that consistently at least 35 Fahrenheit or above whereas interior paint will need the surface to be at least 50.
For exterior paint the resin is flexible so the paint can flex with heat expansion and contraction of materials outdoors without cracking. You can find out in this article where we detail the differences and which you should be using in your applications. From summer sun to winter snow to everything in between this paints number one quality is durability.
This paint also tends to be water-based while exterior paint is oil-based. Because exterior paint is more durable and contains more additives and chemicals it tends to be more costly. There are oil and latex indoor paints but we usually.
There is organic pigment which tends. Exterior paint may also contain more pigment. In order to understand the difference between interior and exterior paint youre first going to need to have a basic understanding of what house paint is as a whole.
However interior paint does have binders to resist abrasion. The main differences between interior and exterior paints are resins and additives contained in them. Paint gets its color from pigments which are finely ground materials.
This means the air temperature outside can be near freezing temperature and the exterior paint will still adhere to the surface properly due to the compound of resins. Even though the price difference between these two kinds of paint isnt huge it exists nonetheless. Interior paint doesnt have those additives.
See the differences between lines of Behr Exterior Paint products so you can choose the right paint for your next exterior painting project. Standard exterior and interior house paints average between 25 and 40 a gallon whereas premium paint can cost up to 100 per gallon. You can find out in this article where we detail the differences and which you should be using in your applications.
Harder resins produce a paint that will resist scuffing and scratching. The resins in exterior paint are formulated to resist cracking and chalking and bind the pigments for longer color retention. Interior and exterior paints have similar solvents and pigments though some pigments fade faster than others and so are more commonly used in interior formulations.
Additives in exterior paint enable it to withstand exposure to the elements. Interior paint is less expensive of the two but it doesnt provide the same protection and durability. Airborne particles like grease cant penetrate the harder resin and will remain on the surface.
These are paints that are more resistant to outdoor conditions. But the real difference between them can be. Like interior paints exterior paints come in different finishes from gloss to matte.
Interior paint uses harder resins than exterior paint.
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