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Western Red Cedar - Do I Fill Knotholes?

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Forum topic by GraceAndDrew posted 01-15-2020 03:01 PM 1469 views 0 times favorited 5 replies Add to Favorites Watch
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GraceAndDrew

45 posts in 1459 days


01-15-2020 03:01 PM

Topic tags/keywords: wrc western red cedar cedar

Hi,

I’m making outdoor furniture with Western Red Cedar. It is my first time using WRC, except for putting up a fence. Do I need to fill the knotholes with CA glue? I will be staining the finished furniture if that makes a difference. I’m going to try to avoid knotholes, but it is near impossible to have completely clear pieces.

Thanks!
Mark

-- Grace & Drew Woodworking, http://graceanddrew.com


5 replies so far

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Aj2

4066 posts in 3038 days


#1 posted 01-15-2020 05:30 PM

That’s completely up to you if you don’t like the hole left behind when the knot falls out.
If your going to be making more outdoor stuff ask for STK cedar. ( sound tight knots).
If your supplier doesn’t carry it keep on trucking.
Good WRC gets pricey the better the grade.

Good Luck

-- Aj

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LesB

3092 posts in 4683 days


#2 posted 01-15-2020 06:54 PM

Here in the North West we have lots of WRC so I can even get clear cedar if I need it….at a price. I agree if the dealer does not have tight knot cedar find someone else. I see no harm in using CA glue to reinforce the knot with the exception that the CA will not accept a stain. So stain first then glue.

For the finish I would use a name brand deck stain/finish not just a wood stain. Although it is a shame to change the color of nice cedar and deck finishes come in clear. The deck finish will not only color the wood if desired but also provide protection for a few years depending on exposure. It will usually last 2 to 3 years with constant exposure to the sun/rain at which time you can use a deck stripper to clean the wood and reapply the finish. If the wood is protected from the elements the finish will last longer.

I would definitely not recommend using a top coat like a poly or spar varnish if the table will be out in the sun and weather. It will not last much longer than deck finish and will be much harder to refinish when the time comes.

-- Les B, Oregon

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SMP

4817 posts in 1146 days


#3 posted 01-15-2020 07:26 PM

I use an outdoor semi-transparent oil stain with UV protection. I brush a generous amount into the knots, and reapply every year or two. This seems to keep it looking nice and keeps the knots from drying out and falling apart as much.

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GraceAndDrew

45 posts in 1459 days


#4 posted 01-15-2020 07:35 PM

Thanks, everyone. I appreciate the advice. I had never heard of STK. I’ll see what I can find.

-- Grace & Drew Woodworking, http://graceanddrew.com

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LesB

3092 posts in 4683 days


#5 posted 01-16-2020 01:31 AM


I use an outdoor semi-transparent oil stain with UV protection. I brush a generous amount into the knots, and reapply every year or two. This seems to keep it looking nice and keeps the knots from drying out and falling apart as much.

- SMP

This is essentially the deck sealer I was talking about above. I prefer the water base over oil based but both work. Be sure to apply it to all sides and edges to stabilize the moisture in the wood.

-- Les B, Oregon

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