This is a nuisance if you want to do something like repaint a wall where silicone has been used to fill gaps between the wall and trim for example.
Stick on caulk.
It is essential to assess what type of caulk you ve used and are planning to use because silicone caulk can be tricky to remove and reapply.
Test a small area with the wider bead of caulk to ensure it sticks well.
Caulk does not stick to caulk.
At the first instance the new caulk will stick to the moldy caulk but after drying out newly applied portion will come out of the surface quite easily.
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Silicone caulk in particular works well when you re sealing nonporous surfaces such as ceramic tile and metal from water.
Apply instatrim to window and door trim instead of weather stripping to keep your energy bills low use it instead of wood edging to cover uneven gaps around baseboards floors and wall cabinets or apply this peel and stick caulk on the base of a toilet to keep your bathroom sanitary and easy to keep clean.
Generally the same caulk can be used for all of these applications.
You can caulk over the cracked caulk if the crack is not exposed much.
While the label may claim it s suitable for wet areas it s best to stick to dry areas or on parts with may see moisture like exterior trim and siding but will be protected by a complete coating of paint.
Make sure that the product you get is labeled as paintable because paint will not adhere properly to certain types of caulk it will bead up like oil trying to mix with water.
Your best bet is to remove the old caulk from the area entirely and reapply with the new caulk.
However if you know a few secrets you can paint over silicone caulk.
If oil is still lingering on the old caulk new caulk won t stick apply a wider bead of new caulk with a caulking gun making sure it adheres to the surfaces on either side of the original caulk.
One downside of using silicone caulk is that you normally can t paint over it paint simply won t stick to it.
Caulk for use around doors windows and molding will be clearly marked.
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