Energy Seal Log Caulk is designed to seal milled and scribed log homes. One application makes any log wall completely weather-tight. ENERGY SEAL has more adhesion and stretch than any other sealant you can buy and is long-lasting, UV-stable and chemical-resistant.
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Click here for the Application Guide
Energy Seal Log Caulk is created specifically to seal milled or scribed log homes and around joinery such as butt-joints, trim and corners. One application makes any log wall completely weather-tight. Energy Seal Log Caulk has excellent adhesion and stretch. It is long-lasting, UV-stable and chemical-resistant. Unlike commonly used sealants which look shiny and artificial, Energy Seal Log Caulk is textured to match the visual characteristics of wood. It easily tools to a smooth, professional finish, virtually disappearing into the walls after it’s applied. It softens the lines on log walls and accepts the color of wood finishes. In fact, Energy Seal Log Caulk so closely matches your walls; most people can’t tell the seams are sealed. Both homeowners and professional contractors can easily apply Energy Seal Log Caulk.
When applied to 5/16th to 3/8” thickness
For the least visible sealant lines: choose a sealant color that’s a shade lighter than the stain you plan to use because it’s easier to cover a lighter color sealant with a darker color stain than it is to hide a dark colored sealant with a light colored stain.
For visible sealant lines: you may apply Energy Seal Log Caulk after you stain. If you stained with an oil base stain, you must test adhesion of Energy Seal Log Caulk after 4-8 weeks of stain curing time. If using Lifeline products it is best to apply Lifeline Advance™ topcoat after the Energy Seal Log Caulk. This results in a more even appearance, helps them blend in with the rest of the wall and makes sealants easier to clean.
Always double check your color choice with a free Energy Seal Log Caulk Sample Color Card, to get a real-time view of what cured Energy Seal Log Caulk looks like and find the best color match for your project.
When it comes to ordering sealants like Energy Seal Log Caulk there are two dimensions that you need to know to determine how much product you will need:
Once you have determined both the width of the sealant joint and total number of linear feet, go to Energy Seal Log Caulk Calculator. The calculator will tell you the number of pails required to complete your project. If you were thinking about using tubes consider this, the price difference between two pails of Energy Seal Log Caulk and an equal amount of material in tubes more than covers the cost of a Cox Bulk Loading Gun and Follow Plate.
Backing materials are an integral part of a sealant system and should be used wherever possible. The overall performance of any sealant system is dependent on the use of correct application thickness and proper backing. For small joinery the most commonly used backing is round backer rod. It comes in a range of sizes and is relatively inexpensive. It is flexible it and can be pushed into a crevice without needing to be nailed or stapled. In situations where joinery is too narrow to insert some type of backing material, a narrow strip of water-resistant masking tape works well. (Avoid masking tape that wrinkles when wet because the wrinkles may show through the sealant after it has cured.) A good option is to use pinstripe tape available at most automotive supply stores. The tape is waterproof, so Energy Seal Log Caulk does not adhere to it, making it a suitable backer material. Pinstripe tape is available in widths down to 1/8”. After about 30 minutes Energy Seal Log Caulk may then be applied over the backer rod without displacing it.
Please Note: Temperature and humidity are largely responsible for log movement. When the temperature rises, the logs will expand, and at the coldest temperature, they will contract. When you apply sealant during cold, damp conditions the logs will more than likely be at the smallest dimensions (after some normal shrinkage may have occurred). Then when the weather dries out and warms up, the sealant will normally relax. Conversely, if you apply your sealant during hot, dry conditions, the joint will be at its smallest point, and when temperatures fall or weather turns very humid, the logs may contract and put the sealant in stress. Sometimes the contraction or movement may be severe enough to tear the sealant.
Tip: Occasionally check the sealant using a toothpick to see if you are maintaining proper thickness. Once the sealant is roughly in place with air worked out of it, spray it with a light mist of water and tool smooth with a trowel or spatula.
Do not saturate the surface with water. If it begins to run you have applied too much.
Tip: If you used masking tape at the edges of the Energy Seal Log Caulk, remove it now and smooth out edges with your tool.
All logs should be clean and free of dirt, sawdust, and oil or grease. If gasket tape was supplied by home manufacturer, apply as per instructions. Then, apply a 1/4″ or 3/8″ bead directly from the caulking gun.
Continue this as logs go up.
The depth should be no less than 1/4″ and no more than 1/2″. To provide proper two-point adhesion, always use a backer rod or a “breaker” tape prior to the application.
Sealing around Windows and Doors
Drying time and curing time are two entirely different terms. In warm or hot weather, Energy Seal Log Caulk will begin to skin over (indication of drying) in as little as ten minutes while a complete cure may take three to four weeks. Cooler weather will slow both the drying time and curing process.
Please note: If you get any sealant on the surface of the wood, be sure to wipe it off with a wet rag immediately. Dried sealant is very difficult to remove. Clean your tools and equipment with clean water occasionally during application.
Store Energy Seal Log Caulk at moderate temperatures, in a clean, dry place, out of direct sunlight. Do not allow the material to freeze. Do not store in close proximity to radiant heat sources like fireplaces or wood stoves, as the excessive heat may cause the material to start curing.
Energy Seal Log Caulk is available for shipment to all 50 states via FedEx.
Click here for this product’s Safety Data Sheets (SDS)
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Backer Rod is an extruded, round, closed cell polyethylene foam designed to effectively fill the gaps between logs prior to the application of log caulking. Backer Rod is flexible and compressible; it conforms to the irregularities in the log surface.
Cox Bulk Loading Guns are the fastest and easiest way to apply chinking or sealants to your log home.
For Use With 11, and 30oz Tubes of Energy Seal, Woodsman and Perma-Chink.