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Perma-Chink is a flexible, textured log home chinking that seals the open gaps between logs to eliminate heat loss and air infiltration. Even though it looks and feels like traditional mortar, it's not. Perma-Chink is a pure acrylic that adheres to logs and stretches to maintain a tight seal by following log movement.

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DIY Section

Find How-Tos, Tech Tips, and Videos regarding our family of products.

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Restore

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Restoration products to remove old finishes and make dirty or weathered wood look like new.
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Preserve

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Special purpose wood preservatives to protect against termites, insects, wood rot, mold and mildew.
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Stain and Finish

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Beautiful wood finishes protecting your log home and bringing out the beauty of your exterior, interior, decks and millwork.
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Seal and Chink

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Flexible log home sealants for every weather-proofing job around your chinked or timber style log home.
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Handrails

Porch and deck handrails present a real challenge to film forming finishes, especially if they are new. Here’s why. Round handrails are typically fabricated using green wood. Once in place and begin to dry, handrails shrink, crack, and develop fissures to relieve the stress due to shrinkage. There is no way to prevent this from occurring. If a finish is applied before these fissures open up, and once they do open, they provide a path for water to soak into the rail behind the finish. When the sun comes out and the rail heats up, the water turns into water vapor which may exert enough pressure to actually push the finish right off the wood. In winter months, the water in the wood will freeze and expand and that, too, can pop the finish off the surface.

handrails1

Another problem with green handrails is that all finishes have difficulty adhering to damp surfaces. Green logs normally do not present the same difficulties as handrails since it usually takes several months for logs to go from the debarking process to construction, time enough for the surfaces to dry. In the case of handrails, it may only be a week or two from the time they are debarked to when they are installed, not enough time for even the surfaces to dry.

A third problem with new handrails is that they are frequently quite smooth. They are typically hand peeled with a drawknife and may still have cambium residue remaining on the surface. Finishes have a difficult time adhering to cambium, and even if they do, eventually the cambium will dry up and peel off, taking the finish along with it. Trying to sand this cambium off while the wood is still damp is almost impossible, since the cambium and damp wood fibers quickly blind sandpaper or sanding pads making them ineffective.

So, what do we suggest to assure adhesion of a finish to new handrails? The first thing is to wait until the handrails have reached a moisture content of less than 20% before doing anything. This may take two months or six months depending on how green they are and the diameter of the rails. By then most of the cracks and fissures will have opened up and any remaining cambium will have dried up and peeled off. The problem with this is that some people moving into a new home are not willing to wait to finish their handrails. If that’s the case, the best course of action is to sand the handrails with 60 to 80 grit sandpaper as best you can, wash them down with Log Wash™, let them dry and then apply only one coat of any Vista™ Deck. DO NOT APPLY LIFELINE ADVANCE™ TOPCOAT TO AREAS COATED WITH VISTA DECK. It will be best to apply Vista Deck to posts, spindles, balusters and other vertical components of the deck as well for color and coating consistency. Once the handrails have had a chance to dry, the application of a second coat of Vista Deck will seal any cracks and fissures that may have opened up preventing water penetration into the wood.handrails2

If you have elected to allow the handrails time to dry before staining, during the waiting period there’s a good chance that some surface graying will have occurred, so a light sanding with 60 to 80 grit sandpaper, nothing finer, as well as a wash-down with Log Wash is recommended before the application of one or two coats of Vista Deck. Be sure to get some stain into all cracks and fissures and again, no topcoat should ever be applied to horizontal handrails or over Vista Deck.

Discolorations

handrails3Like logs, handrails are subject to the same types of discolorations due to mold, tannins and water stains. The bottom sockets are especially susceptible to water infiltration and the resulting water stains. There are two ways to prevent this: drill a hole through the bottom of the socket before installation to allow water to drain out of the socket, or seal around the tenon with Energy Seal™ after installation. Just make sure the socket is dry before sealing it.

Discolorations on handrails due to mold, grayed wood, and tannins can be handled exactly the same as on logs. Always start off with a pressure washing with a Log Wash solution (2 cups per gallon of clean water) and then continue on with Wood Renew™ or Oxcon™ as needed. If you decide to sand the rails, just be sure to use 60 to 80 grit sandpaper and wash the sanded surfaces with a Log Wash solution before applying the first coat of finish.

Maintenance

The main thing when dealing with handrails is to avoid building up multiple coats of finish. The more coats you apply the more susceptible it becomes to problems like peeling. Since the top rail takes the most beating from the sun, wind, and rain, it will probably need some maintenance every year or two.

One thing to look for is any large checks that open up. If the width of a split or check exceeds 1/4 inch, it should be sealed with Check Mate 2®. That will help prevent large amounts of water from getting into the rail. There is not much you can do about small checks and fissures other than making sure to get some finish into them whenever you are applying a coat of Vista Deck.

 

Last modified on Friday, 22 June 2018 23:39

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Your Wood Care Resource

Although Perma-Chink Systems (PCS) is the largest manufacturer of log home chinking and sealants, we make a complete line of quality wood care products. Wood Finishes, Wood Preservatives, Wood Cleaners and Restoration Products all are Made in the U.S.A. 

In 1981 PCS introduced flexible chinking to the log home industry to replace what was the standard at the time - concrete mortar. This revolutionary product, Perma-Chink Log Home Chinking, looked like authentic mortar but stretched and flexed to accommodate log movement while maintaining a tight seal for the life of the house.

Perma-Chink Systems is the log home building industry's trusted partner for the tightest, greenest, and most impeccably finished log homes in the world.

 

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