When to Use Mold Killing Primer: A Comprehensive Guide by Helm Paint & Decorating

If you’re planning to give your space a fresh coat of paint, the last thing you want is to discover mold or mildew marring your efforts. Mold isn’t just unsightly—it can also be harmful to your health. That’s why at Helm Paint & Decorating, we recommend using Zinsser Mold Killing Primer before you start your painting project.

What is Zinsser Mold Killing Primer?

Zinsser Mold Killing Primer is an EPA registered, water-based fungicidal protective coating that kills existing mold, mildew, moss, fungi, and odor-causing bacteria. It works effectively under any type of coating and is ideal for use with ZINSSER Perma-White. It is designed for both non-porous interior and exterior surfaces.

Key Features:

  • EPA registered (EPA Reg. No. 87469-1-69587) for assured quality and performance.
  • Works without requiring extensive pre-cleaning, though it’s essential to fix any moisture issues.
  • Recommended for residential, commercial, and industrial applications.
  • Dries to touch in 30 minutes and is ready for a top coat in 1 hour.
  • For maximum protection, apply the top coat within 72 hours of application.

When to Use Mold Killing Primer

Before Renovation or Repainting: Before you get started on your renovation or painting project, it’s a good idea to treat the surface with mold killing primer to ensure that you’re not painting over any mold or mildew.

After Discovering Mold: If you come across a moldy surface, use this primer to kill the mold and prevent future growth.

High-Humidity Areas: Places like bathrooms, basements, and wall cavities that are prone to moisture are ideal candidates for mold killing primer.

Where to Use It

Zinsser Mold Killing Primer is versatile and can be used in various areas:

  • Bathrooms
  • Basements
  • Wall cavities
  • Window frames
  • Office buildings
  • Factories

Why Use Zinsser Mold Killing Primer

  1. Health and Safety: Mold and mildew can cause respiratory issues and other health problems.
  2. Ease of Use: The primer can be applied directly over existing mold and mildew without the need for extensive pre-cleaning, saving you time and labor.
  3. Cost-Efficient: Treating mold issues at the outset is much less costly than addressing damage and health issues later.
  4. Long-lasting Results: This primer prevents the growth of mold and mildew on the paint film, ensuring that your freshly-painted surface stays pristine for a long time.

If you have questions or need advice on your painting project, visit us at Helm Paint & Decorating, where our experts are happy to help!