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How To Stain Yellow Southern Pine Wooden Beam Mantel

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Today I am sharing how to stain a yellow southern pine wooden beam mantel. Updating your mantel is one of the biggest things you can do to modernize your fireplace.

southern yellow pine beam being hand sanded and Monocoat Rubio stain

How To stain A Wood Mantel

The yellow southern pine wooden beam is over 100 years old and was in the barn when we bought the house the house. 

The previous owner had renovated a warehouse in the city nearby and he left the southern beams in the barn.

Here is the granite slab mantel that came with the house.

living room before with granite stone mantel

If you didn’t see the blog post, “how to remove a granite stone mantel,” check it out so you can see the before of the fireplace.

The new wooden beam mantel adds so much more character and texture to the family room and we absolutely love it. 

woodworkers hanging a dark stained wood rustic mantel on stone fireplace

Jake picked up one of the yellow southern pine beams and sandblasted the old paint off at his shop.

Here is the pine wood beam below prior to us sanding and staining.

We used a chainsaw to cut the yellow southern pine mantel to size we needed.

white painted pine beam mantel being cut to size with a chainsaw
Southern Pine wood beam over 100 years old painted white

Removing old paint from southern pine wood

We used a hand wood sander to remove the old paint. 

Bosch hand sander - southern yellow pine beam turned into a mantel

Once the old paint was removed, we ran the pine wooden beam through his sanding machine and honestly, the beam natural was beautiful.

Southern Pine Wood beam being sanded in a sanding machine
Sanded Yellow Southern Pine Wooden Beam Mantel

Dark Wood Stain 

I wanted a more warm toned dark wood look so I ordered Rubio Monocoat Stain in a dark stain color called Chocolate.

This wood stain is actually a wood flooring stain and very durable.

 Minwax dark wood stain colors are also very similar. 

Monocoat Rubio Chocolate Stain Oil Plus 2C

Staining yellow pine wood instructions

Prior to staining, you must sand the pine wood beam mantel.

1.  Simply pour your wood stain into a small throw away container and apply with a lint free rag.

2. Apply stain (wearing gloves) according to the directions on the can. Be sure pine wood beam is clean from any dust.

Monocoat Rubio Chocolate Stain Oil Plus 2C

We counted over 100 lines on the beam which means this is a really old beam!

Southern Pine Wood Beam with over 100 lines making the beam 100 years old

Isn’t that really cool?

Staining a Yellow Southern Pine Wooden Beam {New Fireplace Update}

How does yellow pine stain?

I used a dark wood stain color which was very easy to apply and hid any large imperfections. 

This was actually the sample wood piece below so we could test the color prior to staining the entire wood beam.

I absolutely love this yellow southern pine wooden beam mantel turned out. 

Jake also designed corbels to be mounted under the pine wood mantel. 

Rubio Monocoat dark stain color on pine corbel

The dark wood stain is such a fabulous color, deep, dark and rich. I will be sharing in a couple days how we mounted this gigantic (very heavy) southern pine wood beam to the existing fireplace. 

More Fireplace Makeover Posts


Meet Jessica

What started as a hobby, Jessica’s blog now has millions of people visit yearly and while many of the projects and posts look and sound perfect, life hasn’t always been easy. Read Jessica’s story and how overcoming death, divorce and dementia was one of her biggest life lessons to date.


  1. Wow, how neat to see the whole process! Thanks for sharing it with us. It’s a really nice color. That was a smart idea to test out the stain on a small piece first to make sure it’s the look you want. That’s a cute picture of your son!

    1. Thank you Brenda! I didn’t want to risk wrecking the beam if the color wasn’t right. My friend (the woodworker) would have killed me if we had to lug another 500 lb beam out of the barn 😉

  2. I love what you all did and I think my wife would too. Would you mind telling me what the dimensions for the mantle ended up being? I really like the thickness and depth of yours.

    1. I am sorry for the late reply, I just found your comment in my trash folder! The mantel is 71 inches long, 11.5 inches wide (deep) and 5.5 inches high.

  3. What are the dimensions of your corbels?

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