Choosing between interior and exterior wall putty depends on environmental exposure. Interior wall putty provides a smooth, aesthetic finish for indoor walls shielded from weather. The exterior wall putty features water-resistant, UV-proof white cement or acrylic formulas built to resist rain, heat, and moisture. For indoor surfaces, use interior putty; for outdoor facades, select exterior…

Repainting an old wall is rarely as simple as picking up a roller and getting started. Most homeowners renovating a 5- to 10-year-old home ask the same question: can wall putty go directly over old paint? The short answer is yes, but only under the right conditions. Using the best wall putty on a poorly…

Knowing how to mix wall putty correctly is one of those things that looks simple but makes an enormous difference to the finished result. Many surface failures, such as flaking paint, uneven texture, and hairline cracks, aren't paint problems at all. They trace back to how the base was prepared. When applied properly, putty strengthens…