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#1
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Drywall Joints Showing - Sometimes
I recently remodeled a room that included hanging drywall. I used
lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? |
#2
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Drywall Joints Showing - Sometimes
You painted over joint compound and you painted over the paper of/on
the drywall, i.e., 2 different surfaces, hence the 2 different texture results. The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. It is recommended you compound over the whole of the drywall sheet, not just the taped edges, so that the whole surface, to be painted, is uniform in/of surface material. By applying compound over the whole of the drywall (minimum extra work), the painting results will be uniform. Otherwise, to avoid the difference/results you describe, you would need to apply at least 2 coats of primer. Applying the extra skin of drywall compound is easier and cheaper, than applying the extra primer. Sonny |
#3
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Drywall Joints Showing - Sometimes
On Aug 13, 10:01*am, Sonny wrote:
You painted over joint compound and you painted over the paper of/on the drywall, i.e., 2 different surfaces, hence the 2 different texture results. *The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. *It is recommended you compound over the whole of the drywall sheet, not just the taped edges, so that the whole surface, to be painted, is uniform in/of surface material. *By applying compound over the whole of the drywall (minimum extra work), Doesn't sound like minimum work to me. the painting results will be uniform. I've seen loads of drywall jobs where the result was uniform and there was no skim coat, just conventional taping. Otherwise, to avoid the difference/results you describe, you would need to apply at least 2 coats of primer. *Applying the extra skin of drywall compound is easier and cheaper, than applying the extra primer. Sonny I don't see how in the world skim coating the entire wall is easier and cheaper than a second coat of primer. I don't know exactly what went wrong in this case. One thought is that maybe the taped areas were sanded TOO smooth. I typically use a fine drywall screen as the last step and the joints are unnoticeable. |
#4
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Drywall Joints Showing - Sometimes
In article , Sonny wrote:
You painted over joint compound and you painted over the paper of/on the drywall, i.e., 2 different surfaces, hence the 2 different texture results. The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. It is recommended you compound over the whole of the drywall sheet, Recommended by whom? You? not just the taped edges, so that the whole surface, to be painted, is uniform in/of surface material. By applying compound over the whole of the drywall (minimum extra work), "Minimum extra work"? You've got to be kidding. Clearly, you've never actually done that. the painting results will be uniform. Otherwise, to avoid the difference/results you describe, you would need to apply at least 2 coats of primer. Applying the extra skin of drywall compound is easier and cheaper, than applying the extra primer. What planet do you live on, where applying drywall compound is easier than applying paint? |
#6
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Drywall Joints Showing - Sometimes
In article , Edge wrote:
I recently remodeled a room that included hanging drywall. I used lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? Perhaps you sanded the joint compound too smooth -- but I'm betting that the culprit is a *very* short nap on the roller cover you used to paint the wall, probably 1/4" or 3/16". When the roller nap is that short, any small differences in surface texture will show through several coats of paint. Try repainting one wall using a roller cover with a 3/8" or 1/2" nap and see if that helps; if it does, do the rest of the room. |
#7
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Drywall Joints Showing - Sometimes
On Aug 13, 10:43*am, (Doug Miller)
wrote: In article , Edge wrote: I recently remodeled a room that included hanging drywall. I used lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? Perhaps you sanded the joint compound too smooth -- but I'm betting that the culprit is a *very* short nap on the roller cover you used to paint the wall, probably 1/4" or 3/16". When the roller nap is that short, any small differences in surface texture will show through several coats of paint. Try repainting one wall using a roller cover with a 3/8" or 1/2" nap and see if that helps; if it does, do the rest of the room. Another factor is the type of paint. Flat hides best. As you move up in sheen to satin, eggshell, semigloss, etc, the more it tends to show any imperfections. |
#8
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Drywall Joints Showing - Sometimes
In article , " wrote:
On Aug 13, 10:43=A0am, (Doug Miller) wrote: In article = ..com, Edge wrote: I recently remodeled a room that included hanging drywall. I used lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? Perhaps you sanded the joint compound too smooth -- but I'm betting that the culprit is a *very* short nap on the roller cover you used to paint the wall, probably 1/4" or 3/16". When the roller nap is that short, any small differences in surface texture will show through several coats of paint. Try repainting one wall using a roller cover with a 3/8" or 1/2" nap and see if that helps; if it does, do the rest of the room. Another factor is the type of paint. Flat hides best. As you move up in sheen to satin, eggshell, semigloss, etc, the more it tends to show any imperfections. Good point. |
#9
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Drywall Joints Showing - Sometimes
"Minimum extra work"? You've got to be kidding. Clearly, you've never actually done that. I do it all the time. No harder than rolling on a paint layer. |
#10
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Drywall Joints Showing - Sometimes
On 8/13/2011 9:11 AM, Edge wrote:
I recently remodeled a room that included hanging drywall. I used lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? I tend to "over roll" the paint which gives the whole thing a slightly textured surface and hides things like that. Also use a longer nap roller to add to the texture. |
#11
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Drywall Joints Showing - Sometimes
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#12
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Drywall Joints Showing - Sometimes
"Doug Miller" wrote in message ... In article , Sonny wrote: You painted over joint compound and you painted over the paper of/on the drywall, i.e., 2 different surfaces, hence the 2 different texture results. The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. It is recommended you compound over the whole of the drywall sheet, Recommended by whom? You? not just the taped edges, so that the whole surface, to be painted, is uniform in/of surface material. By applying compound over the whole of the drywall (minimum extra work), "Minimum extra work"? You've got to be kidding. Clearly, you've never actually done that. the painting results will be uniform. Otherwise, to avoid the difference/results you describe, you would need to apply at least 2 coats of primer. Applying the extra skin of drywall compound is easier and cheaper, than applying the extra primer. What planet do you live on, where applying drywall compound is easier than applying paint? It's normal practice in the UK too. The joints here are covered with a loose weave tape called scrim. Just taping and painting is reserved for poor class work, offices and the like. |
#13
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Drywall Joints Showing - Sometimes
On Aug 13, 12:19*pm, Jim Elbrecht wrote:
GMT, (Doug Miller) wrote: In article , Sonny wrote: You painted over joint compound and you painted over the paper of/on the drywall, i.e., 2 different surfaces, hence the 2 different texture results. *The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. *It is recommended you compound over the whole of the drywall sheet, Recommended by whom? You? not just the taped edges, so that the whole surface, to be painted, is uniform in/of surface material. *By applying compound over the whole of the drywall (minimum extra work), "Minimum extra work"? You've got to be kidding. Clearly, you've never actually done that. the painting results will be uniform. Otherwise, to avoid the difference/results you describe, you would need to apply at least 2 coats of primer. *Applying the extra skin of drywall compound is easier and cheaper, than applying the extra primer. What planet do you live on, where applying drywall compound is easier than applying paint? I'm on the same planet. * *Once I get the wall where I want it, the last coat gets thinned and applied [nearly squeegeed] with a 12" knife. * It takes me [who only does drywall every few years] less time to apply than rolling primer, and cleanup is counted as zero because I already had those tools out. * [I still prime before painting-- but I like the finish doing the whole wall gives me] Sorry don't buy that for a minute. Been there, done that. And I know how long it takes to do a skim coat vs just rolling paint. The skim coating takes way longer. If it were as you claim, it would be standard practice to skim coat all drywall, but it's not. Not only does it take a hell of a lot longer to put the drywall compound on and even it out, but you also have to sand it, which is a PIA and more labor costs. Note I'm not saying that skim coat will not give a better apperance. It will if done right. But it's always a substantial additional cost and IMO, the difference in appearance isn't worth it. If it was necessary and cost effective, you'd see all drywall done that way. In reality only a small percentage is. |
#14
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Drywall Joints Showing - Sometimes
On Aug 13, 12:17*pm, "
wrote: On Aug 13, 12:19*pm, Jim Elbrecht wrote: GMT, (Doug Miller) wrote: In article , Sonny wrote: You painted over joint compound and you painted over the paper of/on the drywall, i.e., 2 different surfaces, hence the 2 different texture results. *The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. *It is recommended you compound over the whole of the drywall sheet, Recommended by whom? You? not just the taped edges, so that the whole surface, to be painted, is uniform in/of surface material. *By applying compound over the whole of the drywall (minimum extra work), "Minimum extra work"? You've got to be kidding. Clearly, you've never actually done that. the painting results will be uniform. Otherwise, to avoid the difference/results you describe, you would need to apply at least 2 coats of primer. *Applying the extra skin of drywall compound is easier and cheaper, than applying the extra primer. What planet do you live on, where applying drywall compound is easier than applying paint? I'm on the same planet. * *Once I get the wall where I want it, the last coat gets thinned and applied [nearly squeegeed] with a 12" knife. * It takes me [who only does drywall every few years] less time to apply than rolling primer, and cleanup is counted as zero because I already had those tools out. * [I still prime before painting-- but I like the finish doing the whole wall gives me] Sorry don't buy that for a minute. *Been there, done that. And I know how long it takes to do a skim coat vs just rolling paint. * The skim coating takes way longer. *If it were as you claim, it would be standard practice to skim coat all drywall, but it's not. *Not only does it take a hell of a lot longer to put the drywall compound on and even it out, but you also have to sand it, which is a PIA and more labor costs. Note I'm not saying that skim coat will not give a better apperance. *It will if done right. *But it's always a substantial *additional cost and IMO, the difference in appearance isn't *worth it. *If it was necessary and cost effective, you'd see all drywall done that way. *In reality only a small percentage is.- Hide quoted text - - Show quoted text - No one has mentioned the use of special drywall mud that is extra easily sanded. I think that it is more porous and hence harder to hide than regular drywall mud. At this point, only more paint is likely to help. Remudding is too drastic. |
#16
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Drywall Joints Showing - Sometimes
Doug Miller wrote:
In article , Sonny wrote: You painted over joint compound and you painted over the paper of/on the drywall, i.e., 2 different surfaces, hence the 2 different texture results. The paper surface raised, a tad, when it was wet by the paint, causing the difference in appearance/result. It is recommended you compound over the whole of the drywall sheet, Recommended by whom? You? All real pros and the drywall mfrs - it's called "Level Five" finishing (google it). |
#17
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Drywall Joints Showing - Sometimes
Edge wrote:
I recently remodeled a room that included hanging drywall. I used lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? You need a drywall primer that specifically says it "equalizes porosity" - otherwise you have to skim coat everything. |
#18
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Drywall Joints Showing - Sometimes
Sorry don't buy that for a minute. Been there, done that.
And I know how long it takes to do a skim coat vs just rolling paint. The skim coating takes way longer. If it were as you claim, it would be standard practice to skim coat all drywall, but it's not. Not only does it take a hell of a lot longer to put the drywall compound on and even it out, but you also have to sand it, which is a PIA and more labor costs. I only sand lightly to knock off bumps which is not a PIA. I thin the compound to a light cream consistancy and roll it on with a paint roller. Then scrape it back off with a wide trowel. Why not spend a few hours helping someone and learn how? |
#19
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Drywall Joints Showing - Sometimes
On 8/13/2011 8:11 AM, Edge wrote:
I recently remodeled a room that included hanging drywall. I used lightweight joint compound and did the normal things such as taping, applying compound, and sanding. I put on two coats of quality paint. The results looked good when it was dry. However when seen with side light you can see the textural differences in the joints between the sanded joint compound and the drywall. The sanded compound looked smooth while the drywall field looked rougher. Although it is really no more than an annoyance how do you fix this? Is there a coating like Kilz that can blend the two different textures? What about a skim coat? Should I have used the lightweight joint compound originally - is the sanded surface of the lightweight too fine? DRYWALL primer would have probably prevented this. Another coat of paint probably will cover it up. -- Steve Barker remove the "not" from my address to email |
#20
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Drywall Joints Showing - Sometimes
On Aug 14, 11:50*pm, Steve Barker wrote:
On 8/13/2011 8:11 AM, Edge wrote: DRYWALL primer would have probably prevented this. *Another coat of paint probably will cover it up. -- Steve Barker remove the "not" from my address to email Thanks guys for the sugguestions. I realize now that I should have used a drywall primer on the new drywall to even out the porosity and textural difference between the paper and the drywall compound. Now that I have two coats of paint on, is it too late to apply a coat of drywall primer and another coat of paint.? Or is it best to apply a skim coat? (I did see a Youtube video on Level 5 finishing that was very interesting.) I have a cathedral ceiling where it is most obviously showing the seams under certain lighting conditions. I don't think another coat of paint will cover it up. |
#21
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Drywall Joints Showing - Sometimes
In article , Edge wrote:
On Aug 14, 11:50=A0pm, Steve Barker wrote: On 8/13/2011 8:11 AM, Edge wrote: DRYWALL primer would have probably prevented this. Another coat of paint probably will cover it up. Thanks guys for the sugguestions. I realize now that I should have used a drywall primer on the new drywall to even out the porosity and textural difference between the paper and the drywall compound. Yes, you should have, but that's water under the bridge. Now that I have two coats of paint on, is it too late to apply a coat of drywall primer Yes, it is. Drywall primer at this stage is pretty well pointless. It's intended for application on bare drywall, to provide a substrate for the finish paint. and another coat of paint.? No, it's not too late for that. Just make sure you don't use a short-nap roller cover this time... Or is it best to apply a skim coat? Not any more -- unless you used flat paint, it isn't going to adhere very well. And unless you're *really* good at applying drywall mud, it's going to look a lot worse than it does now. (I did see a Youtube video on Level 5 finishing that was very interesting.) I have a cathedral ceiling where it is most obviously showing the seams under certain lighting conditions. I don't think another coat of paint will cover it up. I disagree. How long was the nap on the roller cover you used originally? Probably 1/4" or 3/16", right? Try another coat, using a roller cover with a 3/8" or 1/2" nap instead. That will leave enough texture in the painted surface that it will probably hide the variations. |
#22
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Drywall Joints Showing - Sometimes
On Aug 16, 10:18*am, (Doug Miller)
wrote: In article , Edge wrote: On Aug 14, 11:50=A0pm, Steve Barker wrote: On 8/13/2011 8:11 AM, Edge wrote: DRYWALL primer would have probably prevented this. Another coat of paint probably will cover it up. Thanks guys for the sugguestions. I realize now that I should have used a drywall primer on the new drywall to even out the porosity and textural difference between the paper and the drywall compound. Yes, you should have, but that's water under the bridge. Now that I have two coats of paint on, is it too late to apply a coat of drywall primer Yes, it is. Drywall primer at this stage is pretty well pointless. It's intended for application on bare drywall, to provide a substrate for the finish paint. and another coat of paint.? No, it's not too late for that. Just make sure you don't use a short-nap roller cover this time... Or is it best to apply a skim coat? Not any more -- unless you used flat paint, it isn't going to adhere very well. And unless you're *really* good at applying drywall mud, it's going to look a lot worse than it does now. (I did see a Youtube video on Level 5 finishing that was very interesting.) *I have a cathedral ceiling where it is most obviously showing the seams under certain lighting conditions. I don't think another coat of paint will cover it up. I disagree. How long was the nap on the roller cover you used originally? Probably 1/4" or 3/16", right? Try another coat, using a roller cover with a 3/8" or 1/2" nap instead. That will leave enough texture in the painted surface that it will probably hide the variations. With joints that are so noticeable, I think it's possible he has more than just a sanding texture and primer issue, like maybe the joints are not flat with the drywall. If he wants to experiment, I see no harm in just applying another coat or two to just the area around one of the jointswith a 3/8 nap roller as you suggested. Featering the paint out as he moves away. I think there are 3 possibilities of what will happen: A - It fixes it and it blends in with the rest of the ceiling B - It fixes the joint issue, but now the newly painted area of about a foot or so does not blend in well enough with the rest of the ceiling, in which case he can just paint the whole ceiling. C - It doesn't fix it at all, in which case I'd say there is something' wrong with the joints beyond the painting. If it comes to skim coating the entire ceiling, I'd just bite the bullet and call in a pro. Won't cost all that much and I think this is one job where years of experience pay off. |
#23
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Drywall Joints Showing - Sometimes
In article , " wrote:
On Aug 16, 10:18=A0am, (Doug Miller) wrote: In article = ..com, Edge wrote: On Aug 14, 11:50=3DA0pm, Steve Barker wrote: On 8/13/2011 8:11 AM, Edge wrote: DRYWALL primer would have probably prevented this. Another coat of paint probably will cover it up. Thanks guys for the sugguestions. I realize now that I should have used a drywall primer on the new drywall to even out the porosity and textural difference between the paper and the drywall compound. Yes, you should have, but that's water under the bridge. Now that I have two coats of paint on, is it too late to apply a coat of drywall primer Yes, it is. Drywall primer at this stage is pretty well pointless. It's intended for application on bare drywall, to provide a substrate for the finish paint. and another coat of paint.? No, it's not too late for that. Just make sure you don't use a short-nap roller cover this time... Or is it best to apply a skim coat? Not any more -- unless you used flat paint, it isn't going to adhere very well. And unless you're *really* good at applying drywall mud, it's going to look a lot worse than it does now. (I did see a Youtube video on Level 5 finishing that was very interesting.) =A0I have a cathedral ceiling where it is most obviously showing the seams under certain lighting conditions. I don't think another coat of paint will cover it up. I disagree. How long was the nap on the roller cover you used originally? Probably 1/4" or 3/16", right? Try another coat, using a roller cover with a 3/8" or 1/2" nap instead. That will leave enough texture in the painted surface that it will probably hide the variations. With joints that are so noticeable, I think it's possible he has more than just a sanding texture and primer issue, like maybe the joints are not flat with the drywall. Perhaps -- but if that were the case, he'd be seeing some shadows, too, which he hasn't reported. If he wants to experiment, I see no harm in just applying another coat or two to just the area around one of the jointswith a 3/8 nap roller as you suggested. Featering the paint out as he moves away. I think there are 3 possibilities of what will happen: A - It fixes it and it blends in with the rest of the ceiling B - It fixes the joint issue, but now the newly painted area of about a foot or so does not blend in well enough with the rest of the ceiling, in which case he can just paint the whole ceiling. C - It doesn't fix it at all, in which case I'd say there is something' wrong with the joints beyond the painting. If it comes to skim coating the entire ceiling, I'd just bite the bullet and call in a pro. Won't cost all that much and I think this is one job where years of experience pay off. I agree down the line. |
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