Caulk Gaps and Joints Using Sponge Caulking
At 17:20 in
Flawless Interior Trim Prep & Paint | Pro Tips for Airless Sprayer Finish (New Construction)
What happens here
Using a caulk gun, apply Big Stretch caulk to all vertical and horizontal joints where trim meets the wall or where trim pieces meet each other. For MDF trim, specifically, caulk the cut ends to prevent swelling from water-based paint. Immediately after applying a bead of caulk, use a damp sponge to smooth it out, removing excess and ensuring a neat, consistent line. This 'sponge caulking' method ensures a professional finish by preventing the unsightly appearance of dried caulk lines and addressing porous MDF edges.
Goal: Apply caulk to all remaining gaps and joints in the trim and smooth it with a damp sponge for a clean, seamless appearance.
Tools and materials
- Caulk Gun
- Damp Sponge
- Painter's Rags
- Big Stretch Caulk Big Stretch
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