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Caulk Windows on a Log Home
- Jul 09, 2018 -

Caulk is a flexible, adhesive  (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) material that you squeeze from a tube to seal gaps. There are many types of caulk, but common latex is unsuitable for caulking windows in log homes. Unlike stick-built, brick or block homes, thick, hewn logs often make up the majority of a log home’s structure. Wood’s porous nature makes it susceptible to expansion and contraction with humidity changes, so log homes may experience more seasonal movement than other structures. Although this movement is normal, it requires caulk that bonds tightly, then stretches and returns to its original shape seasonally with the house.


1

Vacuum out the gap around the window where it meets the logs with a utility or household vacuum and a hose attachment. Dirt and debris particles impede caulk adhesion.


2

Locate any gaps that are 1/4 inch or wider.


3

Cut lengths of foam rod with scissors to fit into the wider gaps. As the name implies, foam rods are long, slender tubes of flexible foam. They perform as extra insulation and support for the caulk in wider gaps.


4

Lay a foam rod along the wide gaps and push the foam deep into the recesses with a putty knife. If desired, you can use foam rod around the entire window, but don’t force it into tiny gaps, which can misalign the window.


5

Fit a tube of synthetic rubber 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) or flexible caulk that is manufactured for log homes into a caulk gun. Cut the tip of the nozzle along one of the markings with a utility knife. Cut close to the tip for a thin bead of caulk, which is appropriate for narrow gaps. Cut higher up the nozzle for a wider bead and larger gaps. If there is a plastic or foil seal covering the caulk inside the base of the nozzle, pierce it through the tip of the nozzle with a long nail or another long, slender object.


6

Place the tip of the caulk nozzle against the gap between one corner of the window frame and the logs. The longer side of the angled cut on the nozzle should face out, and the tip of the nozzle should point away from the direction that you will caulk the gap. For example, if you are caulking left to right, the nozzle should point left. For neater results, work corner to corner across the top and bottom of the window, and work top to bottom down both sides.


7

Squeeze the caulk gun’s trigger or lever until caulk begins to flow. Pull the gun across or down the edge of the window, filling the gap with caulk. Continue caulking across the top and bottom and down both sides of the window until you seal the perimeter.


8

Release the trigger or turn the rod at the back side of the caulk gun to stop the flow of caulk.


9

Tool or smooth the surface of the wet caulk with a narrow, rubber spatula or another slender, flexible object. Synthetic rubber caulk and log home 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) stick to your fingers and are difficult to remove, so use a tool instead of your fingers.


Source: homeguides.sfgate.com/caulk-windows-log-home-26365.html