Tools needed
- Caulk gun
- Utility knife
- Damp rag
Materials needed
- Paintable acrylic-latex caulk
- Painter's tape (optional)
Step-by-step
- 1
Choose a paintable acrylic-latex caulk for interior trim.
- 2
Cut the tip small at a 45° angle.
- 3
Apply a steady bead into the gap.
- 4
Smooth with a wet finger or tool.
- 5
Wipe excess and let cure before painting.
Common mistakes
- • Cutting the tip too large
- • Using silicone where you plan to paint
Maintenance & next steps
Re-caulk when old beads crack or pull away.
When to call a professional
Not typically needed for a professional on interior trim caulking.
Editor's note: This is instructional content for How to Choose and Apply Caulk for Interior Trim. Replace with your own firsthand experience and photos before publishing.
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