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How To Caulk A Window

Caulking is the sealant that is applied in the seams around fixtures in a home that help insulate the interior of your house from exterior temperatures. Over time, due to general wear and tear, caulking can break down and fall apart, leaving gaps around your windows that allow cold air to seep into your home. Thankfully, applying caulk around a window is a fairly simple process that only requires a few tools and some time to complete properly.

Why Caulk Your Windows

Caulking your windows is an integral part of keeping the interior of your house climate controlled. According to nrdc.org, windows can be responsible for up to a third of your home's heat loss in the winter, which translates to higher energy bills. By properly caulking your windows, you can cut down on your energy bills and improve the comfort of your home.

Before You Begin

You'll need a putty knife, a caulking gun, a tube of caulk, and a plastic spoon or flat wooden stick. All of these items can be found at most hardware stores if you do not already have them in your home.

How to Caulk a Window

  1. Use the putty knife to scrape off any old caulking that may still be around the window. Take care to not damage the material of the window itself, or cut your hand, as putty knives are fairly sharp.
  2. Cut the tip of the tube of caulk off at a forty five degree angle, and load it into the caulking gun.
  3. Press the trigger of the caulking gun to release the caulk, and draw a line of caulking around the seam of the window. Do your best to apply steady, continuous pressure to the trigger in order to produce a uniform line of caulking.
  4. Once you've completed laying caulk along the seam, smooth it evenly using the plastic spoon. If you do not have a utensil to do so, your finger will make do in a pinch. Smoothing the caulking out gives a better seal around your window.
  5. Repeat the above processes along all the seams of the window, taking care to smooth the caulking out immediately after you apply it before it dries.
  6. Once you have completed caulking the window, dry off the tip of the tube of caulking so that the caulk does not harden and block the tube. Repeat the process for any other windows that require new caulk to be laid.

For more information or to have a professional window technician do the repairs, contact a window company, like Sound Glass Sales, Inc.