Questions tagged [moisture]

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2 votes
1 answer
73 views

Are these cracks in this pergola of Nordic Pine wood something to be concerned about for use as a base for synthetic ceramic roof tiles?

I had a pergola installed a month or two ago. The material was Nordic Pine, and it was treated with a layer of isolating finish. I noticed that there are many cracks already in the wood: There are ...
1 vote
1 answer
60 views

How long should I leave a green yew stick clamped to a bench for straightening?

I have already gotten a lot of great info from some previous questions on here, but honestly speaking, I am trying to find a reliable answer for my ten year-old, son who (probably rightly) doubts my ...
2 votes
1 answer
81 views

How to predict stress magnitudes due to moisture changes? [closed]

There's lots of published data that characterize dimensional changes to wood as its moisture content changes. But in all of those publications, they seem to use a free-standing piece of wood. But are ...
16 votes
6 answers
2k views

How is it possible to let wood reach equilibrium moisture content?

I am trying to reconcile the following 3 points but cannot: It is extremely important to let wood sit for a while in the environment it is intended to be used in before using it for a project so that ...
1 vote
0 answers
62 views

Why did desk boards split apart? [duplicate]

I ordered this reclaimed wood desk a few months back, and at first it looked pretty good. However, as a few weeks went by, I noticed the glue holding the boards together started to fail in many places,...
0 votes
0 answers
42 views

Oil-based polyurethane became cloudy after sanding and wiping with moist cloth [duplicate]

I applied a thick coat of oil poly. Once dry, it looked clear in color. However, it was very rough and uneven, so I sanded heavily. After hours of sanding, I wiped the sawdust off with a moist cloth. ...
10 votes
3 answers
8k views

How can I tell if my green wood is dry enough?

I understand different woods age at different rates and the chosen drying process itself is a factor. How can you tell if green wood, in general, has aged enough? Is there a visual aid? Do you make ...
12 votes
7 answers
70k views

What is the best finish for wood in a bathroom

I have nearly finished making a small table which will be placed in a bathroom. I am concerned about protecting the wood in a humid/damp environment. The bathroom can get quite humid while people are ...
0 votes
0 answers
90 views

How can I seal a stained wood drop ceiling above the shower?

I am replacing my bathroom drop ceiling panels with lightweight 1/4" sanded plywood (not exterior grade) that I am cutting myself. I am planning on staining them and then putting on some kind of ...
0 votes
2 answers
291 views

Should I use or exterior oil based polyurethane for wood trim in a bathroom?

I have stained all the wood trim in my bathroom. I am planning to coat it with an oil based polyurethane. Would exterior poly be preferable because it is exposed to moisture?
20 votes
5 answers
7k views

How can you stabilize green wood after turning it on a lathe?

I've turned a few things green on a lathe and I expected them to to do odd things, and they warped and/or cracked. But what useful techniques are out there that this could be minimized or even ...
1 vote
0 answers
103 views

What is this happned to my furniture

I have a closed room where I keep some furniture which is made up of engineered wood. By closed, I mean I dont keep windows open. Also in that room, I keep wet cloths to dry on cloths drying stand ...
4 votes
1 answer
135 views

Should I “un-dry” wood for a while after oven drying?

I’ve been drying small green freshly milled boards in my kitchen oven (typical 1/2” x 3” x 12” quatersawn). It’s working well. However, I never really get repeatable readings out of my moisture meter ...
2 votes
0 answers
46 views

Backing oak with fir in cabinetry

I saw some fancy oak paneling which included 14-foot quarter sawn boards and was told that under the paneling was base of fir boards and this was important to stabilize oak and without it the oak ...
6 votes
3 answers
98k views

Long term, what happens if I paint wet wood?

If I paint wood, for outdoor use, while it is still very wet, what problems can I expect in the long run (2-3 years)? In my specific case, I have pressure treated outdoor lumber (fir), which I ...
2 votes
1 answer
726 views

moisture after first layer of stain.. now what?

my question is about how to save my table!!! Im doing my first project. I sanded the table yesterday, applied pre-stain/ conditioner and then my first layer of stain. I went to check it to see if it ...
1 vote
2 answers
594 views

Hysteresis in wood moisture content?

I have heard or read that wood exhibits a hysteresis effect when gaining or losing moisture. I'm familiar with the term "hysteresis" in a general way (such as in a thermostat) but its not clear what ...
7 votes
2 answers
499 views

Metal framed wood table, will expansion be an issue?

I've got a good deal of wood scraps from other projects laying about and am thinking of making a colored epoxy table, something like this: Where the blocks are my scraps, the area between will be ...
1 vote
2 answers
662 views

Best way to cut a thin board that resists warping

I want to cut some boards to be used as the covers for a book. The boards would typically be about an eighth of an inch thick and book size in dimensions (the average book is 9" x 6"). What would be ...
2 votes
1 answer
1k views

Acceptable wood moisture content for epoxy?

I'm making some I-Beams with glued & screwed 2x4s. I just got my lumber home and it's fresh and green. What is an acceptable moisture content for System Three general purpose epoxy? If there's a ...
2 votes
1 answer
4k views

Sealing MDF so it doesn't absorb moisture

I've made frames out of mdf and there are quite a few exposed edges. How should I seal the MDF? Should I seal only the edges or seal the whole surface? Please note that these frames are to be used ...
4 votes
1 answer
185 views

Does construction lumber ever dry to 6-9% MC?

I’m building a small dining table for a friend and using 2×8 SPF boards for the tabletop. They have have been sitting in my climate controlled basement for about 10 weeks now and I’m measuring MC of ...
6 votes
3 answers
2k views

Can corner joints on a planter box that are warped and coming apart be fixed?

I bought this planter box at a yard sale for $5. I think it may not be used outside as the heat or moisture may have caused the corners to warp and come apart. Two corner joints are really bad (see ...
6 votes
1 answer
1k views

What is the proper humidity for a shop and how should I achieve it?

I'm off to build my own workshop for mostly woodworking projects in the (huge) basement garage of a very old house. The garage is about 5 by 30 meters(16 by 100 ft) and has a varying height of 3 to 6 ...
2 votes
2 answers
813 views

Lightest woods that would be strong & stable for 2 components of DIY Wall Stall bar?

Lightest woods that would be strong & stable for components of DIY Wall Stall bar? Maybe this list can help you help me in shortlisting. Reference list of possible woods available but may ...
7 votes
2 answers
17k views

How long should I wait for staining a new deck?

I recently built a deck in my backyard with pressure treated wood and was also planning on staining it for color and weather proofing. However all of the wood came very wet, cutting through the pieces ...