Questions tagged [warp]

Use for any Question relating to twisting, cupping and bending in wood.

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13
votes
4answers
15k views

What is a good way to prevent jointed tabletops from bowing when tightening fasteners or the glue sets?

I recently made a tabletop for a rolling tool cart using 2x4's jointed and pocket-screwed. When I set the table upon the cart I noticed a very serious bow, almost like I was starting to make a barrel!...
13
votes
4answers
41k views

How to straighten a warped board

So you have a board removed from a pallet that, once removed, shows significant warping. Or perhaps you bought some lumber and you didn't notice an imperfection. This is visible along the width of ...
20
votes
8answers
136k views

How do you straighten/bend wood planks without removing any material?

I have some 6' long 2"x12" planks of douglas fir that dried into a twist, I need to straighten it out but I don't want to plane this any thinner. So basically I'm trying to bend the board back into ...
15
votes
3answers
3k views

How can I minimize warp due to wood movement when gluing up a panel?

I recently built a small 2' x 3' dresser top out of pine. It was within 1/8" flat and level when I glued it up in the garage, but within a few weeks inside it had warped and buckled significantly. ...
6
votes
3answers
9k views

How can I fix warping on board made of glued 2x4s

I built a tabletop gluing up seven 2x4s together, and it warped a lot. Two opposing corners are up and the others down. I know cheap construction 2x4s can warp, but can this be fixed? The only way ...
12
votes
3answers
710 views

Does dropping boards really relieve internal tensions?

A Fine Woodworking article I read a while back has a picture of Steve Latta dropping boards onto concrete. The caption reads: Drop relieves stress. For larger doors, like those on armoires, Latta ...
11
votes
2answers
923 views

How do I correct extreme crossgrain cupping?

I was staining a set of pieces of unfinished pine for a dresser (ikea furniture) on my rooftop. First coat was put on last night around 9pm, and I was planning on doing the second coat this morning ...
4
votes
1answer
1k views

How can I flatten out a cupped piece of 3/4" plywood for a wood counter top base?

I am building a kitchen island. On top of the carcass is going to be a piece of plywood, and on top of that a laminated solid wood plank top of 3/4" thick planks. The plywood is to provide enough ...
0
votes
1answer
2k views

Flatten warped plywood

Is there a way to unwarp a piece of 20 x 20" piece of 1/8" inch thick piece of plywood? I trying wetting one side and weighing it down with weights. https://www.dropbox.com/s/e69r6iecj5farjj/...