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How to Fix a Leaking Vinyl Window Frame
- Jun 27, 2018 -

Vinyl window frames have been around for many years. The construction of older vinyl windows used screws to hold the layers of vinyl together. The screws did not create a bond along the entire seam, sometimes leading to water leakage. Newer vinyl windows use a method that bonds the two layers together to create a seam that is watertight. Correct the leakage within and around a vinyl window frame using a caulk (adhesive silicone/acrylic silicone/acrylic sealant/silicone/sealant/adhesive/potting sealant/potting adhesive/potting compound/UV glue/Silicone sealant/Potting silicone sealant/Huitian adhesive/Huitian silicone/Huitian sealant/flange sealant/conductive sealant/Electrical sealant/electronic adhesive/epoxy sealant/epoxy adhesive/PU adhesive/gasker maker/thread locker/Thread adhesive) made specifically for windows.


1

Position a step ladder under the vinyl window if it is not accessible by standing on the ground.


2

Slide a tube of water-based or modified-silicone polymer window caulk in a caulking gun.


3

Slice the tip of the tube from the caulk at a 45-degree angle with a utility knife. Squeeze the trigger of the caulking gun until a small amount of caulk is extruded from the end of the tube. Wipe the caulk from the tube with a rag.


4

Locate the seams on the vinyl window. Select one seam to begin.


5

Hold the cut end of the tube of caulk flush with the seam. The caulking gun should be at a 45-degree angle to the window.


6

Pull the trigger on the caulking gun and move the tube of caulk along the seam to extrude a line of caulk, also called a bead. Wipe away excess caulk by sliding a wet finger down the bead. Repeat the process on each seam.


Things You Will Need

  • Step ladder

  • Water-based or modified-silicone polymer window caulk (Adhesive sealant/acrylic silicone/acrylic sealant/silicone/sealant/adhesive/potting sealant/potting adhesive/potting compound/UV glue/Silicone sealant/Potting silicone sealant/Huitian adhesive/Huitian silicone/Huitian sealant/flange sealant/conductive sealant/Electrical sealant/electronic adhesive/epoxy sealant/epoxy adhesive/PU adhesive/gasker maker/thread locker/Thread adhesive)

  • Caulking gun

  • Utility knife

  • Rag

Tip

  • When using water-based window caulk (acrylic silicone/acrylic sealant/silicone/sealant/adhesive/potting sealant/potting adhesive/potting compound/UV glue/Silicone sealant/Potting silicone sealant/Huitian adhesive/Huitian silicone/Huitian sealant/flange sealant/conductive sealant/Electrical sealant/electronic adhesive/epoxy sealant/epoxy adhesive/PU adhesive/gasker maker/thread locker/Thread adhesive), select a time when two to three days of good weather is in the forecast. Water-based window caulk is easy to use but requires two to three days of dry weather to cure properly. Check the temperature restrictions for application prior to purchasing.


Source: homeguides.sfgate.com/fix-leaking-vinyl-window-frame-29830.html