Interior Vs Exterior Painting – Key Differences and Tips

Interior Vs Exterior Painting – Key Differences and Tips

Keep in mind that interior and exterior paint are different products; each type is specifically tailored to their intended use.

Exterior paints are specially formulated to withstand adverse weather conditions, UV rays, temperature variations and changes, plus contain additives to combat fading and mildew growth. Interior paints on the other hand focus more on providing beautiful finishes while maintaining air quality through reduced VOC emissions.

1. Cost

Though paint may appear to be an inexpensive material, many factors can influence its cost when used for painting projects. These factors include type, drying time, color selections, surface preparation costs and labor fees.

Paint is composed of water, binder, filler pigment and additives; its composition depends on its intended use. Interior painting typically relies on water-based solutions while exterior varieties often include resin compounds to improve durability, lengthen lifespan resistance to mold mildew or fade and extend its lifespan.

Hire professional contractors for exterior painting projects as they have all of the equipment needed to get it done efficiently and safely. Additional expenses associated with exterior painting could include purchasing or renting a ladder and special brushes for trim work or narrow surfaces – costs that will depend on both the size of your home and desired finish.

2. Durability

Paint plays an essential part in beautifying your home, and selecting the appropriate hue is integral to achieving desired results. Interior painting should be durable and scrubbable while exterior applications must resist weather elements while providing UV ray protection.

Interior and exterior paints are designed with different additives for different environments, to meet specific requirements. Some contain mildewcide to inhibit mold and mildew growth; they also include resins to adhere to surfaces while withstanding moisture fluctuations and temperature shifts.

Exterior paints contain more volatile organic compounds (VOCs) than interior ones to withstand outdoor elements, and this chemical exposure can be hazardous to your health and the environment. Furthermore, excessive VOC levels in exterior paint may leave behind an unpleasant chemical odor in your home – that’s why many painters recommend opting for low-VOC options instead.

3. Installation

Interior painting differs significantly from painting exterior surfaces. Surface preparation and application require more steps compared to interior jobs, including scraping, sanding and applying primer, plus masking areas that do not need painting.

Interior and exterior paints differ significantly when it comes to their composition; interior varieties typically contain organic pigments while synthetic ones have less likelihood of fading over time.

Exterior paints differ from interior ones in that they contain biocides to combat surface algae growth and UV inhibitors that help shield wood against UV rays that may damage it from sun exposure, making them much more durable than interior ones.

Repainting exterior surfaces typically occurs 7 years post-painting project; however, this timeframe varies based on how often they’re used and the level of dirt accumulation on their surfaces.

4. Maintenance

Interior and exterior painting require different maintenance requirements; exterior paint requires additional surface preparation steps before application begins, including pressure washing, sanding and applying rust-inhibitive primer. Professional painters also utilize cleaning products with mildew-removal properties in order to keep surfaces they’re working on looking clean while painting them.

Though paint contains similar ingredients (pigments, solvents and additives), exterior paint must contain special heavy-duty additives to withstand extreme weather conditions. Without them, exterior paint would fade quickly in temperatures reaching 90-degree heat or freezing sleet and would quickly discolor over time. Unfortunately, these heavy-duty additives can release off-gassing which poses health risks if used indoors; however, these chemicals dissipate relatively quickly outdoors with adequate ventilation – hence why outdoor paint is generally not advised for use inside homes but rather in spaces like pool storage rooms or detached garages where such paint will more frequently be utilized compared with indoor varieties such as pool storage rooms or detached garages where outdoor paint would likely be used more often than inside a home.