How to Caulk the Exterior of a Residential Home

Caulking cracks and gaps in the exteriors of our homes is essential for protecting the vitality of our investments as homeowners. Cracks in a residential home’s exterior can cause problems with energy efficiency, creating drafts, and provide entry ways for moisture and pests. However, there are ventilation points that are deliberately left open to help our homes adjust to seasonal temperature changes. Today, the professionals at Peak Pro Painting are going to tell you where and how to caulk the exterior of your residential home.

Caulk Countersunk Nails

Identify countersunk nails in your homes exterior. These are the nails that protrude intro your wood siding. If the foundation of your home has settled, it’s possible that these nail heads have shifted. If you don’t re-caulk these areas, moisture is going to sit on the nail head and cause it to rust and bleed through your new paint.

Don’t Caulk Under Lap Siding or Trim

The general rule of thumb is if the original contractor didn’t caulk it the first time then you don’t need to re-caulk that area. The gaps behind siding and trim boards are important for allowing proper air circulation. Remember your home was meant to breathe, move, and flex.

Use a Wet Range for Consistent Caulk

One of our favorite pro tips is using a wet range to ensure a clean and consistent caulk line. Apply your caulk line with your gun and follow quickly over it with a wet rag. (See video above).

If you are looking for a Front Range painting company in Colorado or Austin Texas, Peak Pro will take the DIY painting project off your hands and give you the professional paint look. Request a quote here from the best Highlands Ranch painting company!