This week we'll discuss some differences between a site finished hardwood floor and a pre-finished hardwood floor. In general we will be talking about solid 3/4" thick hardwood flooring. This can be of any species because the finish will generally be the same whether it's an oak floor or maple floor or any other species of hardwood.Pre-finished hardwood flooring in most cases (not all) will have aluminum oxide injected into the finish. Why is that important? Well, aluminum oxide is the second hardest mineral. Only diamonds are harder than aluminum oxide. Putting aluminum oxide into the finish on a hard wood floor will make the finish extremely hard. It's so hard that it is also hard to sand down and refinish the hardwood floor at a later date! Now, ideally, with these new floors with aluminum oxide in the finish, you will not want to sand them down and refinish in the future. If your finish starts to look scratched and worn down (which will be a lot harder to do with these new wood floors) you will want to screen the top layer and apply a new finish. Sanding down through the finish won't be necessary in most cases if you catch it before you have wear through.
Aluminum Oxide is what they use in sand paper!
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| Aluminum Oxide |
Site finished hardwood is the process of sanding down an unfinished hardwood floor, then applying a sealer and a couple coats (or more) of urethane. The urethane is what constitutes the wear layer on a wood floor. This process is the only way to spruce up an existing floor but not near the best way for a new hardwood floor. You don't have aluminum oxide infused into the urethane wear layer and it's not UV cured. You can use some of the best site finishes out there (such as Mega Traffic) but it still will fall far short of the hardness and wearability of a prefinished hardwood floor.
So, when buying a new hardwood floor, the best way to go is to buy and install a pre-finished hardwood floor that has aluminum oxide in the finish.
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Jeff Dean
Dover Floor Covering
http://www.doverfloorcovering.com
Interesting. I have pre-finished in the Family room and its very durable. However I have natural on the hallway and stars in the upper level, and I used a Minwax wood floor finsh on it, and that's been very durable as well. Ultimately I don't like the seams between the pieces in the pre-finished. Larry B, Farmington Hills.
ReplyDeleteThanks for your response Larry. Site finished products still work of course (that's what they are made for) but the aluminum oxide still out wears site finished products probably 3 to 1.
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