Compared to other trims like plaster cornices and even plaster coving, polystyrene coving needs to be changed more often. Read more: 16 Drywall Alternatives That Will Look Just As Good In Your Home.

Whether you want to add architectural elements to your home or just soften the lines between your walls and your ceilings, coving is a decorative finish that can do just that. But it’s only when you ...

3. Size and Proportion. Large rooms can accommodate wider coving, which adds a grand and balanced effect. In smaller rooms, narrower coving can create a more delicate and proportionate look.