Key takeaways
- Interior walls and exterior walls face different stresses.
- Exterior selection should account for rain, sunlight and weathering.
- Always follow the product’s stated application area.
Interior paint
Interior walls are protected from direct weather but may face dust, everyday contact and cleaning. The desired sheen, colour appearance and maintenance expectations are important selection factors.
For interiors, think about the room’s use. Bedrooms, living rooms, corridors and commercial spaces may have different cleaning and appearance expectations. The surface condition and lighting can also change how the same colour and sheen appear.
Exterior paint
Exterior walls are exposed to rain, sunlight, humidity and temperature changes. Exterior coatings are selected with these conditions in mind, along with the substrate and local climate.
For exteriors, water and sunlight are major considerations. A coating system should be selected for outdoor exposure and applied to a properly prepared substrate. Local climate and the building’s orientation can influence how quickly an exterior finish weathers.
Can one paint be used everywhere?
Do not assume that an interior product is suitable outdoors or that every exterior product is ideal for every indoor space. The manufacturer’s stated use should guide the decision.
Using the wrong category can create avoidable problems. Even if a product looks good during initial application, exposure outside its intended use can change durability expectations. Product labels and technical sheets are therefore more useful than assumptions based on appearance.
Surface preparation matters in both cases
Cleaning, repairing defects, removing loose material and using compatible putty or primer can have as much impact on the final result as the topcoat itself.
Preparation is common to both systems: clean the wall, repair defects, prepare the surface and use compatible primer or putty where required. Good preparation gives the topcoat a better starting point.
Choosing a Lado Paints product
Lado Paints has interior/exterior emulsion and primer options. Use the product pages and technical guidance to select a system suited to your wall and exposure conditions.
Use Lado Paints product pages as the starting point for current product information. If you are unsure between two categories, share the surface and location with the company before ordering.
Frequently asked questions
Can interior paint be used outside?
Do not assume so. Use a product specifically recommended for exterior exposure.
What makes exterior painting different?
Exterior walls face rain, sunlight, humidity and temperature changes, so the complete coating system needs to be selected for those conditions.
Does preparation matter for both?
Yes. Cleaning, repair, putty where required and compatible primer can improve the consistency of both interior and exterior finishes.
Need help choosing a product?
Tell us about your wall, room or project and the Lado Paints team can guide you toward the relevant product information.
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