You Ask, We Answer: Can I touch up sunken caulk after it has been applied incorrectly?

Can I touch up sunken caulk after it has been applied incorrectly?


Yes, you can apply additional caulk over areas that have settled after the initial application.


Best Practices for Re-Caulking:


1. For Older Installations:
If the existing caulk has been in place for an extended period and has fully cured or “seasoned,” it is best to prepare the seam before applying more caulk. The recommended method is to cut a shallow “vee” (V-shaped groove) into the existing seam. This increases the surface area for better adhesion. After veeing the joint, thoroughly wipe the area with a clean rag soaked in acetone, then apply the new caulk.


2. For Newer Installations:
If the caulk was applied recently (within a week or two), the surface is still fresh and may not require veeing. In this case, simply clean the area with acetone and apply additional caulk directly over the low or settled spots.


General Reminder:

Regardless of the age of the installation, always clean the surface with a rag soaked in acetone just before applying new caulk. This ensures a clean, contaminant-free bonding surface and helps the new caulk adhere properly.

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February 24, 2026
For that reason, you want to start by discussing the project with the service manager at the yard that normally services the boat. In that discussion, you will want to learn the following: Is there a shed or watertight tent large enough to enclose the project, or is there another solution for preventing the weather from causing damage or delay? If the boat is hauled, can it be staged with scaffolding for safety, if necessary? Does the yard have qualified personnel to perform the necessary tasks? These include: Properly protecting the boat's surfaces from damage during the refit. Removing any deck hardware that is in the way, this may require taking down headliners or removing interior trim to access the fasteners. If a replacement teak deck is required, can and how will they remove the existing teak without damaging the rest of the vessel, including the structural deck beneath the current teak deck? After removing the existing teak, are they qualified to inspect and make any necessary repairs to the structural deck? On fiberglass boats, damage may appear as soft spots due to compromised structural core material. In some cases, on metal vessels, it may be necessary to replace damaged sections of plating. Do they have marine carpentry skills to properly final fit and install the new modular teak deck system? With the new deck installed, do they know how to reinstall the deck hardware properly and, if a sailboat, install and tune the rig? Are they capable of re-commissioning the vessel and any systems disabled during the refit? What is the proposed schedule and timeline for the refit? What is the estimated budgetary cost, and which of these costs can be assured? If the yard is not a suitable fit for the project, can they recommend an alternative solution?
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