Stripping Old Coatings Is Essential For The Upkeep Of Garden Log Cabins
Garden log cabins are quickly becoming widely known today. They are for people who want to experience a simpler, more peaceful life. They are for people who want to go back and be one with nature without the inconvenience of a primitive lifestyle. They are for folks who want to have a pretty, separate structure for their office or workplace in their property.
One of the reasons log cabins are getting worldwide acceptance is because they are quite durable. Constructed out of heavy logs, they can last for a lot of years; indeed, some have even stood up for decades. Of course, no man-made object can withstand the force of nature. One day, your log cabin, no matter how sturdy it is, will show evidence of wear and tear. The wood becomes dull and tacky. Water stains show themselves as annoying streaks. The treatment coating that waterproofs the logs wears out.
If you notice these damages, then it is time to take away the finish from the logs to remove the stains and to prepare the wood for a new treatment. The best and fastest way to do this is to blast the wood clean. Although there are a lot of ways to strip logs, cob-blasting is the most well known. Ground corncobs are the ingredients of choice because they are cheap, non-toxic, and environmentally friendly. Best of all, they won’t damage the wood. Ground corncobs are fed into a blasting machine. Compressed air blasts the corncobs out of the nozzle and into the logs. Thermal shock from the immense force of the bits hitting the wood surface makes the finish brittle, stripping it away.
Another widely available material used as an alternative to corncobs is dry-ice pellets. It works just like ground corncobs, using thermal shock to shake off the finish. One advantage of this method is that using dry ice leaves no residue to be cleaned up since it evaporates in the air.
To bring back the original brightness of the wood before applying the final coat of varnish, sealant, or treatment, oxalic acid is used.
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