Questions tagged [pressure-treated]

When/How/Where to use pressure treated lumber for projects. Safety concerns etc.

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1answer
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Submerge wood in a barrel to improve it - Is my wife right that this is a bad idea?

I was about to submerge fresh pieces of wood of various types in our barrel filled with water - to let the saps come out and after some time get good wood. These pieces will be used for small objects, ...
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1answer
65 views

What should be done to treat decorative wood for outdoor use?

I'm building a live edge bench in memory of a loved one, and would like it to last as long as possible while weathering the elements year round. I live in Pittsburgh, PA, which means we get ...
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3answers
120 views

Just realized our deck was built with CCA pressure treated wood, what shall we do to eliminate or reduce the harm?

I just learned that the green stuff overlapping the wood board is a pretty positive sign that the pressure treated wood contains arsenic. We just bought a house and didn't realize until now. The CCA ...
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3answers
150 views

What screw is best with treated lumber?

I have some projects coming up for the garden and I want to use some screws with the raised beds. I recently was told certain screws get 'eaten' by the chemical used for treating the lumber. If this ...
2
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1answer
64 views

Goat playpen project (lumber treatment)

I am going to be helping a kid at school with a goat playground type deal. I plan on using treated lumber where this playground touches the ground. But since this is done for the school we do have a ...
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0answers
119 views

How can I figure out how much weight this span could support?

I'm designing an outdoor bench. It will be made out of 1in plywood and pressure treated 2x4s. I'm wanting an 8ft length (give or take). The seat will be 7 2x4s. Can I get away with an open span? or do ...
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1answer
115 views

How do I know if the wood I picked up on Craigslist is treated?

I picked up some cheap wood that someone was getting rid of. He said it was used for a deck, and I can see it is painted red. How do I know if it is treated? (Also, anyone know what kind of wood it is?...
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2answers
347 views

pressure treated vs stain and varnish

I am building a porch swing out of leftover lumber. It is intended to hang in a covered porchh. Some of the lumber is not pressure treated. Is that okay for outdoor under porch as long as I stain and ...
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1answer
77 views

Help identifying old fence wood [closed]

We replaced an old fence and can't tell if this wood has been treated or not. Pressure washed a couple of pieces to get the old grime off. https://imgur.com/a/SYsmZ
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3answers
3k views

UFP treated woods for raised garden bed

I have a raised garden bed using wood logs that have 'UFP Treated' tags at the end. I am using my raised bed for growing vegetables. What does 'UFP Treated' mean? Are these board safe to continue ...
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6answers
8k views

Can I run pressure treated deck boards through thickness planer?

I inherited a deck with my new house. I'm thinking about resurfacing the deck because the boards are badly discoloured, although they appear to be structurally sound. I'm trying to convince myself ...
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2answers
26k views

Tips for recognizing aged pressure treated wood

New lumber that is pressure treated will have tags that identify the chemical used. More noticeably is the green or brown colors from the treating process. So newer wood is easier to identify as ...
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2answers
895 views

Are there any extra considerations to gluing pressure treated lumber?

I am in the process of designing a floating raft, which will be built out of pressure treated lumber. There are various elements I would like create from gluing together some smaller boards rather ...
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2answers
2k views

Does pressure treated lumber need to reach a proper moisture content before use?

I'm planning on building a garden bench for the outdoors. I opted for Pressure treated pine (I'll be staining it a cedar color) because it was cheaper than cedar, way cheaper than white oak and ...
10
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1answer
2k views

Is it safe (for the animals) to use pressure treated wood for animal feeders and houses?

I've been keen on taking pallets and other woods from supply stores so that I can up-cycle them into small woodworking projects like birdhouses, feeders and lately wine racks. There were some fence ...
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3answers
17k views

When building an outdoor structure, should I use pressure-treated lumber or something like cedar?

I am building a pergola (~10'x10') on my patio (and plan to build a gazebo out in the yard), but before I build it, I want to make sure I'm using the best option for lumber. Should I use pressure-...
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2answers
409 views

Can pressure-treated posts be restored, or better preserved?

The posts and rails shown are 20-year-old pressure-treated wood. Is there any maintenance that could have prevented the posts from decaying through the exposed end grain? Is there any restoration ...