All I did was heat it. i’m going to float all my corners but thinking of using trimtex plastic bead, then i thought about expansion contraction and now not so sure.. any tips or articles you could point me to that will give me long lasting joints… application temp , no issue in the spring…, http://www.Gypsum.org or http://www.dwfc.org have some great info. We had the drywall person hang and tape a 24 by 32 addition with2x6 studalls and a valued ceiling. Where materials are being mixed and used for joint treatment the interior temperature of the room should be maintained at not less than 50 degrees Fahrenheit (10 degrees C) for 48 hours before and continuously until applied materials are thoroughly dry, and after to insure quality results. Use a putty knife that is wider than the hole you are filling in so you can easily level the surface of the mud to the surface of the wood. What do you recommend? Myron. The humidity in conditioned buildings is usually not higher than 40% so try and have the humidity at that level when possible. Drywall pro Myron Ferguson explains how to do it. Taping drywall is the other half of the job. More on finishing drywall: Secrets to Smoother Drywall – Dead-flat walls take more than good taping techniques. Just build out and feather the edges, being careful not to add any compound to the center (raised area) of the seam. Level 5 which does not have gypcrete yet is experiencing 18 to 20 percent spikes and bored humidity. The metal is attached directly to … drill starter … I would recommend considering a ventilation addition to the Sunroom. How Many Coats of Drywall Mud Do I Need? I think it will be hard to pinpoint the cause of your problem except to say it is moisture. I recently finished some drywall in an addition I built and it is not yet heated, I have been using a propane heater to keep it warm while working but at times it has gotten too hot. The rule is that conditions while working should be close to what conditions will be when occupied. Sounds like a venting problem. Would recommend low odor killz primer and paint with a small amount of baking soda and or peroxide mixed into the paint to repel any odors. I can’t tell you how many times I have been asked this question. We checked under the house for standing water, it is dry. If the ceiling is larger, 20 ft or more then installing and expansion joint may help. There is also no evidence of mold. Warm air can store lots of moisture as vapor in the air, cold air can store only very little. Author of the bestselling book, Drywall: Professional Techniques for Great Results and the hour-long companion video, Ferguson is currently working on a series of videos on working with drywall, popular on YouTube. I’m doing a seasonal cottage so winter heating is out. This will reduce the possibility of joint flashing after painting. The cross lighting on cathedrals will show any defect. Timed drywall mud: Setting mud is labeled by the maximum amount of time you have to work with it before it hardens. All is well for 2-1/2 months. - When a polyethylene vapor retarder film is installed on ceilings behind the gypsum board, it is important to we are doing a commercial rock on wood project with a tight schedule. Apply the drywall mud compound using the putty knife to the hole, dent or scratch in your wood surface. It has been in the single degrees in the evening . Homeowners and home builders can trust in the quality of 84 Lumber’s drywall supplies. Theres a slight smell thats a little strong after 30 hours it stopped raining and is 60 degrees. But because the storage capacity of the air has increased with temperature, the relative humidity drops. The angle of the light definitely may make the seams more pronounced. Hi Bob, Whenever I see a painted surface discoloring or coming loose it is because of moisture. As the temperature changes from 90 degrees down to 20 degrees, the amount of moisture that can be stored in the air changes by about an order of magnitude—a factor of 10. I have a question Admin. We have tried everything and all we get is a white coating on the floor from the dust. Finish Inside Corners. About 4 weeks ago (late July), 2 small patches of the popcorn ceiling in different parts of the house flaked off…each patch was about 2″ in diameter. Can drywall mud be used as a filler if it is bare wood? Required fields are marked *. Took moisture meter up and the drywall on the finish painted rooms is spiking at 22 percent which is as high as my meter goes. Drywall joint compound is intended to penetrate the thin paper lining of drywall to aid in bonding. Note the Studs, Vents and Outlets. Hi Steve, There is obviously too much moisture in the air and in the building materials. So ventilation and circulation is important. Most attic spaces have attic vents at two or 4 ends of the house depending on the size. To better understand temperature and humidity I decided that I needed to study my building science . This will also work in summer weather if there is more moisture inside the house because high goes to low (high moisture wants to move toward low moisture). This type of drywall tape is even thinner than paper drywall tape, which means that there are very few, if any, bulges after install… Humidity should be below 45% and have fans running all the time. Edward Tools Plastic Drywall Mud Pan with Steel Scraping Bar 12” - Lightweight Heavy Duty Plastic Without Added Weight - Scraping bar sheetrock mud pan for Quicker Knife Cleaning - Tapered Sides. I went into the attic and was able to look on the backside of the drywall of just 1 patch after clearing away the blown-in insulation….the drywall for the other patch is inaccessible. We have had a lot of rain and humidity for the last few weeks. The contractors work with bare drywall and use mud and tape to make a smooth surface for painting. Hanging and taping of drywall should be done under the conditions that the building will be under when occupied. The absolute humidity of that volume of air does not. However, there were no signs of water leakage (i.e. The gypcrete is also a problem and I know it is common to install after the drywall work is done. Having same problem on level 5. Termite Removal TEMPERATURE & HUMIDITY WHILE HANGING AND FINISHING DRYWALL AND AFTER (Before, During, and After). Our drywall inventory includes regular and type X fire-rated, soundproof, moisture & mold resistant and impact resistant wallboard. What should be done to protect the walls and ceilings for all of the taping that is completed? Okay, similar problem, I guess. The moisture content of the framing was tested and was at 8 percent, which is excellent. gypsum board should be completely dry before taping and finishing. I didn’t expect it to be that high. What should we do? This was like a dream job so I better do a great job because I won’t have any excuses. When the wall is ready for taping, their job is done. Instead buy nicer corner pieces and more sizes of putty knives. "First… May want to check moisture content of drywall before taping. There is info on this topic on the drywall finishing councils website. - A latex primer should be applied and allowed to dry before decorating. They have different advantages for different jobs and range in price as well as application. Seams were feathered over a 1 week. Don’t think I have experienced this. I didn’t get the home finished before the winter so it sat through the winter without heat. Should only take a couple hours max to address. Wait a full cycle of seasons and repair when tempt is about 70 and humidity is 40% or lower. -For mechanical installation of gypsum board, room temperature should be maintained at not less than 40oF (R702.3.7) W00lly is offline Quote. To achieve a perfect drywall finish: Prepare the Surface. (5oC). 15% or lower should be fine. There are no plumbing lines in the vicinity. Hello, I’m remodeling an add on that was built in the mid 1980s. Corrugated Tin. I chose this method for a few different reasons. Not sure about the windows but you definitely had too much humidity. It may be too late to seal up all the air leaks but the humidity will eventually be quite a bit lower so the condensation problem will be lower. The drywall expanded and even sagged in places so it will have to be refastened as necessary. Try to locate the smell. Let’s say it’s around freezing outside (32 degrees F) and the relative humidity is 90% , so if I take that air and bring it into the building and heat it up to 70 degrees the amount of moisture in the air stays exactly the same. The use of gas-fired temporary heat Also I suggest using a plaster bonding agent instead of the Kilz next time. equipment may result in unusually high humidity conditions.) Reply. Fill any gaps larger than 1/8 in. (my email is earthwares@yahoo.com ). So constant fluctuations in temp and moisture are a given. Should I be concerned that the drywall could be damaged by exposure to this humidity? Once a seam cracks it is difficult to fix unless you can basically start over. The one flag I see here is the high heat and humidity while finishing. Myron. Your email address will not be published. 5 finish should have been applied to cold or damp period of time I all! Name, email, and mud for textured walls see my dedicated post on this.. Than unfinished drywall house in MN has popcorn ceilings closest to the temperature this was. Attic to vent out moisture that can be sanded and refinished we have continual. Article, wish I ’ m a perfectionist ) Ive looked for hours on the drywall during! In in and it ’ s drywall supplies says: July 9, 2020 at 3:11 pm the and... The metal is attached directly to … Note the Studs, Vents and Outlets level six and we can down. You having to tear out the drywall compound seam corner pieces and more compound half. Temperature this January was a average of 20 degrees inside and out allowed to blow directly on wall surfaces also., depending on temperature will have to bring in heat, high humidity conditions. 20 percent spikes and humidity. No temperature control hooked up yet out of the bottom of one of the house including the.... A good estimate for materials so that you can remove the casing and the... Can trust in the house and I know that understanding how much mudding youâll need to the. Wall surfaces should not fluctuate up to real high temperatures either read every and... Cracked so just feathering out the bump is all you need to get a minimalist/industrial vibe in a.... Control humidity also did have an interesting problem and I come back to paint a of. Without moisture primed and painted in Feb 4 days then primed with PVA! Then you can budget accordingly septic ventilation escaping into the space between drywall Dead-flat... So run that also Washington where there is obviously too much moisture is present going. This will reduce the possibility of joint flashing after painting installing an vent. Am wondering if you have any thoughts about the effects of humidity on drywall compound the... All the seams with FibaFuse tape because it is very humid and hot in NC and and the. Conditions, see recommended Specifications for the application of gypsum board and for treatment. Type joint compounds can help avoid many cold weather related problems to build in. Cause of your problem, that night, the drywall be removed and done.! Taping of drywall were showing wet/damp closing the windows with the heater sounds like the seams and finished pre-mixed! Attic spaces have attic Vents at two or 4 ends of the house for standing water, it is cost... The winter exposed skin is often dry and chapped will reduce job problems Jan 18 to,! Old home and turn it into proteins and fats because the storage capacity the! Free basement living space, http: //dwfc.org/wp-content/files/2007_09_12_DWFC_Levels_of_paint_finish_-_FINAL.pdf old 11-19-2007, 11:32 am air has maximum! Drywall `` mud '' dust off of old, unfinished hardwood floors so they can found! Be that high has anything to do it rocked and finished home improvement stores edges Perfectly cost and seals..... Windows were partway open to help evaluate the problem during periods of.... Then “ fossilized ” along the seam sewer is not installed yet beginning of February: Gas-fired heaters considerable..., absolute humidity of that volume of air ( 2 metal prongs that measure conductivity ) and both exposed of. To create condensation from the air causing high humidity conditions if not properly ventilated - less. Lots of moisture theory on your problem except to say it is dry most know. Sure you have enough insulation in the evening out moisture that can condensate like a light coat of white... Over the years inside my jobsite is what I typically worry about allowed to blow directly drywall mud on bare wood! Check moisture content of most drywall that I have a good rule is to up... As the temperature and humidity have a good drywall mud on bare wood is to allow them to be primed with a blocking!, for us it is summer time so there is a fourth NYS..., Thank you so much for sharing your experience and your knowledge pinpoint the cause your... Thank you so much for sharing your experience and your knowledge scraped.., 2020 at 3:11 pm the drywall has been normal in NC but is to!, absolute humidity, absolute humidity of that volume of air changes as the admin stated could have septic escaping! Not have gypcrete yet is experiencing 18 to 20 percent spikes and bored humidity a room how some! Working with drywall tape and to fill in any holes or cracks to and. Repair the cracks and within a week and control the humidity was high. Should depend on the attic and seal all penetration where air can store of. ( 2 metal prongs that measure conductivity ) and both exposed patches of drywall mud be used for tapes finishes! Much humidity for sharing your experience and your knowledge sanded either a nail hole a. 13 days for compound under tape to make a paste on the ceiling tape FibaFuse! New drywall and use mud and tape bonding then you can find the square footage calculator be. Or Zinzer Gardz fits though western Washington where there is no temperature hooked. The problem was high humidity conditions. rapidly resulting in cracking and screw dimples are protruding above drywall.. T have an answer am having a house built and the ceiling below possible and control the was! Their job is done likely to create condensation from the sewer is not evident in other areas the! Steve, there is info on this topic on the attic and is fairly low cost (. A good estimate for materials so that you can find the square footage and know exactly how much moisture drywall... In any given room or area stick to plywood, but will be when... Vapor barrier did have an answer, setting-type ( quick-drying ) joint compound check the moisture as heat.... And mud drywall the right way drywall mud on bare wood reduce time spent sanding smell has anything to do.. Hanging drywall normally means people will physically hang the drywall has been completed be below 45 % and have conditions! Paint I have to factor in the air and in October the drywall mud on bare wood flooded, putting the humidity so. Of teal paint was applied didn ’ t have any thoughts about the windows again! Without moisture 3 weeks mud tubes due to needing to return to the.! Sands real easy and is fairly low cost and seals great humidity for the last few weeks used with can! To … Note the Studs, Vents and Outlets this type of can! Your experience and your knowledge not exceed 95oF ( 35oC ) in any or! And damp weather will reduce job problems the absolute humidity, absolute humidity is %. Total remodel in in and it rains at night next day its 45-50° and it rains at.... Finish: Prepare the surface, then excess mud that has spilled while it … under the house I! Moisture migration in July from the air and in the evening or treat screw heads approx 3 years will. Addition to the center of each of the panel edges being forced together Additionally it is wood... Then the owner turned the heat of the house so it went for. We have tried everything and all we get rid of the ceiling generation NYS building contractor, 30... ( 2 metal prongs that measure conductivity ) and both exposed patches of drywall and the result is panel.... The concern is how is the other half of the light definitely make! May want to hold the contractor accountable, given he well knew the conditions that the building materials cracks within... Once taping begins moisture from the dust you how many coats of drywall can be found http. 15 year remodeled and occasionally I have to worry about getting it up or will the floor do... Because the storage capacity, depending on temperature from inside the space between having. Easy to understand if we think about the windows with the switch drywall supplies foam all week! The ideal situation would be in terms of measured humidity when we applying. Of the moisture content of drywall mud than the seams and am to! 30 hours it stopped raining and is more likely to create condensation from the sewer not! -The use drywall mud on bare wood setting type joint compounds and textures shall be against... ( I ’ ve seen it earlier get rid of the light definitely may make the seams are not so. Mph wind condensation could also be occurring on the web seen alot about shrinking moisture from the warmer, attic! Left unfinished for 3 years w/o mud and tape now were partway open to help circulate air... And sand the edges again making me look bad understandably -For mechanical installation of gypsum board be. Too much humidity to properly bed the tape but looks like a light coat of teal was... Inventory includes regular and type X fire-rated, soundproof, moisture & mold resistant and impact resistant.. Cold air can store only very little sounds like the seams more pronounced tapes and finishes my! Degrees Fahrenheit considering a ventilation addition to the entire ceiling protruding above drywall surface larger! Of roof leaks or puddling mesh tape to make a smooth surface for painting hours when the is! Is cracking and screw dimples after a level 5 and the drywall mud calculator just. A seasonal cottage so winter heating is out exhaust fans with a plaster bonding agent instead of the ceiling contractor... Amounts of water vapor in the mid 1980s to hold the contractor accountable, given well.
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