Painting tongue & groove
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Painting tongue & groove (by Robin [WI]) Jan 11, 2019 3:41 PM
       Painting tongue & groove (by Busy [WI]) Jan 11, 2019 6:47 PM
       Painting tongue & groove (by NE [PA]) Jan 11, 2019 6:49 PM
       Painting tongue & groove (by Nellie [ME]) Jan 11, 2019 7:14 PM
       Painting tongue & groove (by JB [OR]) Jan 11, 2019 9:48 PM
       Painting tongue & groove (by BRAD 20,000 [IN]) Jan 11, 2019 10:04 PM
       Painting tongue & groove (by LindaJ [NY]) Jan 12, 2019 6:13 AM
       Painting tongue & groove (by Tom [ME]) Jan 12, 2019 7:57 AM

Painting tongue & groove (by Robin [WI]) Posted on: Jan 11, 2019 3:41 PM

We have a rental that is paneled in 3/4" knotty pine. We painted one room as an experiment. It looked great, but after about a year of expansion and contraction, the paint cracked along the seams and it looked awful.

Is there a way to paint it that will look good for more than one season?

Painting tongue & groove (by Busy [WI]) Posted on: Jan 11, 2019 6:47 PM

Robin, Iím wondering if, once it gets more coats of paint, if it wonít stop expanding and contracting so much?

Some paints offer more flexibility than others. Maybe the paint store has suggestions.

Painting tongue & groove (by NE [PA]) Posted on: Jan 11, 2019 6:49 PM

You could caulk the seams

Painting tongue & groove (by Nellie [ME]) Posted on: Jan 11, 2019 7:14 PM

Wood is going to expand and contract with seasonal changes. Even wood painted on both sides will do that. When you paint I would do it when the wood is more likely to be contracted. I would also use a brush and work the paint and primer into those joints as much as possible. Beyond that caulking is probably the only thing that will help.

Painting tongue & groove (by JB [OR]) Posted on: Jan 11, 2019 9:48 PM

I think it will require a flexible/expanding caulking to prevent that.

Painting tongue & groove (by BRAD 20,000 [IN]) Posted on: Jan 11, 2019 10:04 PM


Caulk or paint it a dark color so you donít notice the gaps.


Painting tongue & groove (by LindaJ [NY]) Posted on: Jan 12, 2019 6:13 AM

Working the paint into the seams and joints is very important, as is painting when the wood in contracted and the seams are larger. Latex paints are more flexible than the oil base. Darker colors will show it less as it will be in the shadow, unless your goal is show it.

Wood expands and contracts a lot, that is why the furniture and doors made with real wood allows for that movement. That is why a lot of real wood over large areas are tongue and groove. The wood has room to expand and contract in those grooves over a large area. Doors are a panel, loosely laid into rails and stiles, so they can expand and contract.

Temperature and humidity levels that change a lot are worse for these things. The more constant you can keep that, the less they will move

Probably some paintable caulk in those expansion joints will stretch more than paint. I have had good results with caulk in the cracks in sheetrock, especially in the corners where it will break any repair.

I have gone back when the boards shrink and touch up the exposed wood.

Painting tongue & groove (by Tom [ME]) Posted on: Jan 12, 2019 7:57 AM

Get an inner city kid with a spray can.

Subject: RE: Painting tongue & groove
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