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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 Gun — Dispensing caulk
  • Caulking Tool — Smoothing the caulk bead
  • Damp Cloth — Wiping away excess caulk
  • Safety Gloves MaxiFlex — Protecting hands and smoothing caulk
  • Sashco Big Stretch Caulk Sashco — Sealing horizontal exterior joints

What they say

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It's warming up outside, and summertime means exterior jobs. Sasha goes once again offering a sample kit of its best sealants. Big stretch included. 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, and through the roof with a cobra nozzle to seal those lap joints. Get your free sample box with the link in the description while the deal lasts. This offer is open to any and all professionals and those strings attached.

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