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Apply Caulk to Horizontal Exterior Seams and Smooth

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Summer time with Sashco. https://www.sashco.com/the-idaho-painter/

What happens here

After addressing vertical seams, move on to horizontal joints, such as those along the bottom of window frames, where siding meets a foundation, or other horizontal transitions. Apply the caulk using the same technique: hold the caulk gun at a 45-degree angle and apply a continuous, even bead. Immediately after application, use a gloved finger, a specialized caulking tool, or a wet sponge to smooth the applied caulk bead. This action ensures the caulk is pressed firmly into the joint, creating a proper seal and providing a neat, professional finish. Wipe away any excess caulk with a damp cloth or sponge before it cures.

Goal: Seal horizontal exterior gaps and achieve a smooth finish

Tools and materials

  • Caulk GunDispensing caulk
  • Caulking ToolSmoothing the caulk bead
  • Damp ClothWiping away excess caulk
  • Safety Gloves MaxiFlexProtecting hands and smoothing caulk
  • Sashco Big Stretch Caulk SashcoSealing horizontal exterior joints

What they say

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If you followed us a while, you know the drill right now. Get yourself a box of big stretch, Lexel, more flex, clean seal, exact color,

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