Shower ceiling - is this mold?
drdavidge
5 years ago
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tartanmeup
5 years agoBeverlyFLADeziner
5 years agoRelated Discussions
What molding to put on ceiling when you tile to ceiling?
Comments (15)Two main reasons for basic movement at that joint are: 1) new construction settling and shrinkage. That usually occurs after the first year, and it's usually a "get it out of my system" thing. It happens once, then it's usually done. 2) I was going to ask if your house is built with trusses and if there was an attic above this bathroom. As your builder already explained to you, there's a phenomenon called "truss lift" where seasonally, the lower chord of the truss moves (flexes upwards and downwards) due to movement of the other parts of the truss. Usually, movement is highest at the mid-span of the truss chord. Truss lift will usually repeat itself seasonally. It is usually accommodated for in just the manner your contractor specified, a "slip joint" with crown molding. The crown is secured to the ceiling only, so when the ceiling moves, the crown "slides" against the wall. I've seen instances of 3/4" gaps between the partition wall drywall and the ceiling drywall during the lifting. I recall one case where the builder went and and tried to stop the truss lift by going in the attic and securing the truss chords to the partitions walls with Simpson clips. The next season, the truss lift was so strong it actually pulled one entire partition wall off the floor! The proper way is to allow for the movement. There are truss clips that connect the truss chord to the partition walls while still allowing vertical movement of the bottom chord of the truss. Also, when the ceiling is drywalled, the ceiling drywall is not screwed to the truss chords near the perimeter walls of the room. The drywall floats. Clips are then used to connect the edges of the ceiling's drywall to top edge of the wall's drywall. Then you mud and tape the corners. With that detail, when your truss lifts, the edges of the ceiling drywall don't move upwards with the truss. The edges stay connected to the wall drywall. As the chord lifts, the ceiling panels flex just a tad, and you get no cracking in the corners. Your movement is not significant. But that doesn't mean it doesn't hurt to look up and see the cracks and gaps. Truss lift is a hit or miss thing. Sometimes it happens throughout the house, sometimes it shows itself in one room more than another. In a subdivision, one house may have it another may not. Your contractor's "repair" is technically correct. But the "trim" he used may aesthetically be inadequate. Without other photos I have no idea how that added "trim" melds with the detailing in the remainder of your house, but that's your call. To my eye, the "trim" that was added is inadequate and undersized. Anyone (contractor or builder) building with trusses should be aware of the possibility of truss lift. The only way I know to minimize or eliminate it is to insulate the roof plane of the house instead of insulating the attic floor. That minimizes some of the seasonal environmental swings that the trusses are exposed to. Hope this info helps! Best, Mongo...See MoreGnats in the bathroom, mold spots on the ceiling
Comments (3)Here are some links you can check out that show how to install a bathroom fan. Also included a couple of links to show the different types of fans that you can choose from. http://www.thisoldhouse.com/toh/knowhow/bath/article/0,16417,689843,00.html http://www.farreys.com/ventilation/exhaust_vent_fans/index.html http://www.kitchensource.com/bathroom-fans/ft-bkit.htm Here is a link that might be useful: Install bathroom fan...See MoreMold on bath room ceiling drywall
Comments (4)Thanks but my diagnosis of the problem was wrong. I had a leak in the bathroom above that was wetting the sheet rock below. Fixed that and letting it dry out before I repair and repaint....See MoreKitchen cabinet crown molding, ceiling molding, different sizes?
Comments (5)When I had my kitchen renovated a few years ago, I was in a bit of a dilemma: to add additional crown molding to the rest of the kitchen or not. I had simple Shaker style cabinets installed and decided to not have additional crown molding installed in my kitchen. I like the more minimalist look❣️...See Moredrdavidge
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5 years ago
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