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Apply Caulk to Exterior Corner Boards

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What to caulk on an exterior house with new siding? #painter #construction #trades #tips #diy

What happens here

Once the corner boards are prepared, load a tube of Sascho Big Stretch caulk into a caulk gun. This particular brand is highly recommended by the presenter for its excellent elasticity and ability to handle movement, which is crucial for exterior applications. Starting from one end, apply a continuous, even bead of caulk along the vertical and horizontal joints of the corner boards. Pay close attention to any areas identified during inspection as having "pretty big gaps," ensuring these are adequately filled to create a comprehensive, weather-tight seal. Smooth the caulk bead immediately after application using a wet finger or a specialized caulking tool for a clean, professional appearance. The goal is to achieve a consistent, smooth line that not only looks good but also effectively protects the underlying structure.

Goal: Effectively seal all designated exterior gaps and joints.

Tools and materials

  • Caulk Gun unspecified — Dispensing caulk evenly and precisely along the joints
  • Ladder Werner — Safely reaching elevated sections of the corner boards for application
  • Work Gloves unspecified — Protecting hands and assisting with smoothing the caulk bead
  • Sascho Big Stretch Caulk Sascho — Filling and sealing gaps and joints on exterior corner boards

What they say

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the siding to be able to breathe corner board right here Corners Nails the nail jobs not too bad there's any that are sticking up really high you just definitely want to set those with a hammer but these are pretty big gaps so you want to have an excellent cocking so I do highly recommend Big Stretch that's what I use on all my cocking jobs

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