How Often To Caulk Home Exterior?


A lot of settling occurs to homes over the first year, so experts suggest that people check and replace caulking after one year in a new home. It is not unusual for caulk to become separated from wall joints as the home settles, but this is easy to repair.


How often should exterior windows be caulked? If your home is newly built, replace the caulk after one year. Following this, or once you are already living in a home built a few years ago, caulking should be replaced every 5 years.

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Frequently Asked Questions

How often should house be caulked?

On average, caulk should last around five years, but that doesn't mean you shouldn't check every year or two. One sign that you may need to caulk again is if you have noticed drafts or your energy bills suddenly rise.

How long does caulking last outside?

Polyurethane caulk will last from 10 – 20 years, can be painted over and adheres well. Polyurethane spray foams are heavy duty and tend to expand as they dry. This is a common option for exterior window caulking.

How often do you need to Recaulk?

Due to normal settling, the area around the bathtub in a brand new home may need recaulked after about a year. Ordinarily, however, the caulk around your tub should last at least five years.

When should I caulk exterior?

Here are a few other reasons exterior caulk is important: To prevent water from entering the home at joints or around windows. To prevent insects from entering the home or infiltrating between walls and joints. To help insulate the home from wind, extreme cold or extreme heat.

Do you need to caulk windows for a good paint job?

Caulk around windows for a lasting paint job. A critical part of any paint job, especially exterior ones, is caulking. Gaps and cracks are your home’s worst enemy! Not only do they reduce energy efficiency by creating drafts, but they allow pests and moisture easy access.

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