It is a 'paperless' drywall, with a gypsum based core that has mold resistant treatment. … I had to mold remediate the basement, reseal the floor and essentially I thought this was done. Look at the areas where fasteners are in contact with the pressure-treated lumber. Thank you for the comment, but unfortunately, this isn’t something I have experience in. I am a homeowner in the midst of a 2000 sq ft addition. Free shipping to US only and for items processed through our website. The biggest source is shellfish. Use of a dust mask and eye protection is highly recommended. Untreated wood can last anywhere from a couple of months to over two years. It is as if the surface tension does not let it flow onto the tile, or that there is not enough pressure to make it run. Thanks for the question. However, it is not as generic a term as people in the industry often think. This turned out to be economical, safe and long lasting. Probably the first person to ask, in my opinion, is the water intrusion specialist. Hot-dipped galvanized nails and screws offer the minimum level of corrosion protection required by today's modern lumber. I hired a structural engineer in conjunction with a “foundation expert” and the wall was repaired using rebar inserted in the walls to stabilize them. There has been … One of these pipes has started to rise above the concrete like a tent top. It applies to wood that is in contact with concrete that is in direct contact with the soil, where the source of moisture is. These pathways remain open until properly sealed, and can be the path of least resistance when water pressure builds up against a concrete contact point. The truth is not all boards react in the "wild" as they do in the laboratory or the woodworking shop. We have dug out several holes beside the footer and looks like some gravel below the footer, but builder is swearing hydro pressure. I am currently having trouble finding home owner’s insurance that will cover hydrostatic pressure cracks; however, I am trying to examine the potential risks for one. Hello Jason, Then, if your post needs to support weight, you can bury its base in concrete. Source(s): I am a builing inspector. I hope this helps. The builder hired a structural inspector. I have a house with a crawl space in a rural area(country). Thanks for the comment. Renaud, thanks for the question. Yesterday we thought we had no additional dampness until last evening when I noticed another small damp spot about 2-3 feet away from the spot first identified. Pressure-treated wood is truly a "wood for all seasons"... a rugged exterior building product that's rot and insect resistant. But can you count on this? Method 1 of 3: Selecting a Type of Lumber for Posts . We use cookies to personalize your shopping data and ads. You need some sort of material between concrete and untreated wood. For example, unlike redwood or cedar which are installed dry, pressure-treated wood is installed damp or even soaking wet! Thanks for the question. (I at one point shop-vac’d 100 gal. My suggestion to 1 st Manager would be to check and see if he can have them top loaded by the piece on his next treated truck. I do not know where to start. Before the concrete hardens in the piers, set pier or post ties and align in place. Don't even think about painting fresh pressure-treated wood! Hi, The excess moisture from the preservative treatment can cause excess cupping as it dries, whether it is installed with the bark up or down! Hydrostatic pressure is a natural force that can move rocks, buckle walls, and cause havoc with your concrete, but it does not explain every instance of water intrusion in concrete. The sawdust from pressure-treated wood can be an irritant to the nose, eyes, and skin. I arranged for the plumber who installed plumbing when our home was built 20 years ago to come check for a leak and the pressure gauge test showed no leak. Isolated (luckily) to that corner. I am so happy I’ve found your website! The builder used pressure treated 2*4s for the sill plate but there is no (capillary) barrier between the concrete and the sill plate. Not sure if this is the best explanation, but it may help http://www.basementsystems.com/basement-waterproofing/basement-learning-center/basic-construction/hydrostatic-pressure.html. Any ideas on what I can expect? Thank you so much. Unfortunately, this is a million dollar question. Often, it is the fasteners or connectors that creates the … The last time my basement flooded I had 5 sump pumps running and the the basement still ended up with 20 inches of water in it. With the snow melting and rain, the water level has risen to the top of the hole. The Association has a history of water problems – poor gutter drainage, roof leaks, bad storm drain construction, clogged drywells. Hi Jason, While pressure-treated wood is the most common, you can use other types of wood for this area. We have had 3 Plumbers come out and stated that there is no leak, we do have a pool and had 2 Leak Inspectors come and they stated our pool is not leaking. This website uses cookies to improve service and provide tailored ads. A Wisconsin family suffered seizures, blackouts and massive hair loss after burning it. Is it possible that down that far (7′ – 8′) the hydrostatic water effect is still present to some degree, and will exhibit residual presence/seepage in through that corner/slab intersection for awhile, albeit at reducing levels, until the new trench/dry well (even though it’s deep, it is still above the slab level of the basement) has had time to make its full impact and effect? He did not tie the inside to the outside drain either. By using this site, you agree to this use. If you have a pet that's been using a basement, garage, balcony, or other paved surface as his own personal bathroom, you may feel like you'll never get the smell out, even though you washed it … The cost depends on materials. In on-grade and below-grade installations, moisture control … Urine can be a tough substance to clean off any surface, let alone porous concrete. Use rigid foam board for the insulation. I would put a capillary break under a pressure-treated 2x bottom plate. The symptoms will vary depending on the amount and duration of exposure. In the article you read, “Your wall will be under immense pressure” which will only get worse if you have soil expanding directly behind the wall. Sleepers must be at least 1-1/2 inches in both height and width. Conclusion was that standing water in window well was very possibly contributing to too much water presence in and around that SW corner area overall, possibly creating h-static pressure down below. An 8’x12’ shed would use 6 piers – 3 per long side. Do-it-yourselfers use it the most. Copyright © 2021 Wagner Meters|Warranty|Return Policy|Terms & Conditions|Privacy Policy, Why You Should Use Relative Humidity (RH) Testing, Become a Wagner Meters Authorized Distributor, Flooring, Millwork, Furniture and Cabinet Manufacturers, Musical Instrument Manufacturer and Luthiers, Building Restoration and Inspection Professionals, Hydrostatic Pressure: What It Is and What It Isn’t, Free Download – 4 Reasons Why Your Concrete Is Taking Forever to Dry. Sorry to hear about your issues. 2 0. nathanael_beal. Lumber treated to “Ground Contact” has a high chemical retention level and can be placed directly on or in the ground with better protection against rot or decay. Wood is in direct contact with material that already shows signs of decay. What are the safety precautions regarding use of pressure-treated wood? Thanks for the question. It sounds like you had none of these issues when you had a French drain, but the French drains weren’t installed properly so the wall failed. Wash your hands after working with the product, and especially before eating, drinking or smoking. Here is the rub: my foundation expert says that if I install a French drain along this wall, the WALL WILL FAIL ! Several other sources of moisture could equally be responsible for water intrusion or moisture-related flooring issues. I refinished part of the basement and put vinyl plank down over the concrete. The backfilled soil is moist and this can cause a pressure differential between the moisture against the wall and the moisture below the floor. The extent to which any of these chemicals leach out under typical weathering conditions is considered way under any danger levels by both US and Canadian health authorities. I am concerned that the wood may soak up water, expand and rupture the concrete. Many manufacturers carry full lines of both oil and latex products that can be used on pressure-treated wood. Buy "sill seal" at the lumber yard, and staple a full-length piece to the bottom of the sill before you set it on the floor. Thanks for the questions. And don't assume that every builder understands the seriousness of this issue. The house sits at a high spot, with gentle grade away from all sides, esp. Pressure-treated wood is softwood lumber, typically southern yellow pine, that’s been chemically treated to resist rot, decay and termites. Yes, you can put a playset directly on the grass, but this may result in wear and tear on your lawn. You can spice up their appearance by adding some wood planks on top of them. Replacing an ugly concrete pathway with a unique and intricate stone ... (like me) can tell you that is a... Karrah @ Mrs Do It Herself. Rubber is soft and comfortable to walk on. -- These chemicals are effectively dispersed into very dilute concentrations and fixed to the cellulose structure of the wood by the pressure treatment process. Somehow, because it started as wood, we should be able to burn it. Walls (from inside out) are drywall, stick 2*4 framing with open cell foam, OSB, tyvek, air gap, brick veneer. I need to find someone who will know the type of situation I am in who can give me some answers. Another option would be to have a geotechnical engineer come out and take a look. Wash clothes after use. The association property manager is inexperienced and blames everything on rain. If you are working with arsenic-containing PT and suffer short-term health effects such as headaches, dizziness and muscle spasms, or notice a garlic odor on your breath or feces, call the Occupational Health Clinic or your doctor. No nothing between the two. The builder said at first that hydrostatic pressure was pushing the water in under the footer. However, still seeing some ~ reduced but some, continued seeping in that basement SW corner (which is exposed still) after the recent heavy rains. It is my understanding that there was a repaired crack before I ever bought my house (could not be inspected because there is drywall up in my basement). The layer of wood you place over the top of the concrete steps can also make them stronger. My basement will flood from under the ground when the creek which is located 150 feet from my house is full of water. The key is to look on the package for a "G-185" designation (which refers to the thickness of the galvanization). Without the cellulose, the chemicals now become soluble again, like they were before they were fixated to the cellulose, and in this form they are once again toxic. Would you require treated wood in contact with concrete on the 40th floor of a concrete structure? 65,000 pounds) of standing water in a 15 x 20 foot rock wall foundation basement for 7 days. I have a question on a hydrostatic diagnosis and trench/dry-well fix. Around that time we had some water leak into our basement. He thought it was the slab sweating. Way to many years of water coming up that way is still easier for it do so? The moisture in it "stacks the deck" against good paint adhesion. As one might expect, the use of a potentially-poisonous substance like arsenic was cause for considerable concern, particularly when children are exposed to such installations. It appears water is seeping through the cracks between my relatively new luxury vinyl plank floor boards. Is there a way to image the foundation to find out where the water is coming in and building up from? Ultimately, if hydrostatic pressure is the culprit, the only way to correct it is to eliminate the pressure of standing water, a significant undertaking in any situation. Thanks. I am pretty convinced the only solution would be in interior basement perimeter drain, but I don’t think that cost should fall on me. From what I am leaning the issue normally happens to homes below other homes or on a hillside. Any info relevant to my situation would be appreciated. ... New pressure-treated wood … 1 decade ago. I have a cellar basement also known as a “Michigan” basement. I would say with that much water anything is possible. I fear the Association will again deny any responsibility, as they did for years, and then I would have to again file a legal complaint, and essentially when the house is sold, potentially not realize full market value due to the ongoing water problem. Do your cutting in one specified location, and lay a heavy disposable plastic tarp under the sawing area. I am in northwester Ontario in canada. Can you render any opinion or suggestion here. I would look up structural and/or geotechnical engineers and see about having them evaluate. Thanks for the comment. Avoid contact with the skin as much as possible. This is a very puzzling issue, especially if it is something never noticed prior. There is a sump basin in corner that rises and falls due to melting snow, etc., never had a need to pump. Learn how your comment data is processed. The result is ACQ (Alkaline Copper Quartenary) treated lumber. The sill plate is bolted to the concrete, and it's typically not necessary to add glue. Lv 4. Concrete steps may serve their purpose, but they are not the most attractive looking steps. Do you have any information on this? And within a few years, the choice of inappropriate fasteners will cause premature deck failure as nails and screws are reduced to crumbly iron oxide. the SW area. i.e. You'll need moderate skills to complete this project, such as how to use pocket screws and operate a miter saw. For some people this is shocking. We don’t know who else to turn to, the puddles keep coming up, small but consistent. You can make this as easy or as complicated as you like. It has become the standard for preserving wood around the world. Required fields are marked *. Use of a dust mask and eye protection is highly recommended. You can practice on a scrap wooden piece to get used to it prior before you start on the actual project. Since condensation is very likely to collect on the underside of metal roofing, you have an electrical conduit waiting to be plugged in. … This led me to your posts on the Wagner Meters website. FREE ground shipping on orders over $100. Anything less than a G-185 level is inappropriate for ACQ lumber. -Drew. 2 nd Manager, can you help 1 st Manager with this one.” Second Manager: “As my location is a part of the Xxxxxx Lumber division I am able to pull the post out of our location in Millersburg. You can use pressure-treated but do not use typical pressure treated lumber, you should use something with a treatment rated for ground-contact/in-ground use. We had it remediated now the RH is back above 90 most times. Q: I would like to make a wood patio directly on the ground. In other words, "bark-side up" would be a deck board that has the visible grain curve downward. These typically have a dark green or brown color, and the package is clearly marked for use on ACQ treated stock. However, many fastener manufacturers now offer "hot-dipped galvanized" screws, nails, hangers and brackets under a variety of brand names. Thanks. 1. While newer high-strength concretes can resist higher levels of pressure than older mixtures, they still can be susceptible if cracks form or hydrostatic pressure builds high enough. If it were me and the deck area wasn't too large I would throw some pressure treated 2x6's down on the slab making sure that they ran in the direction of the water run off and on 16 inch centers and then deck across that with a nice composite decking material.Plan on having to replace the pressure treated lumber … This would also include furring strips applied directly to a vertical block wall unless you use the vapor barrier behind it. The puddles are in our family room- room has tiles. We are in Annapolis, and our front is a small but steep hill, and our yard backs up to a fairly large hill in the back yard. Part of the issue though, in my opinion, may be proving how much of the problem now is directly related to the water, unless you have some tangible proof of how bad it was prior. Two types of treatment now a day amine copper quat (ACQ) and copper azole (CA). Hydrostatic pressure, by nature, does not occur in slabs above grade. Did see some efflorescence here and there at junction of walls and floor, but again no actual water. Ashes from pressure treated wood are almost as toxic as the raw chemicals. The more water, the more pressure you’ll have at the bottom of the water table. Many times the hillside (higher elevation vs concrete slab) can cause the hydrostatic pressure, it’s not an either-or situation. It was interesting when you explained that concrete may get increased relative humidity if it’s left in contact with water for a long time. Waters | Feb 01, 2008 06:14am | #1 "If you were building a house today, would pressure treated wood usually be required for bottom plates?" We installed a sump pump and it comes in several hundred gallon at a time. The pressure treated wood contains copper, along with other metals, that interacts with aluminum and causes the corrosion. The deck screws that I prefer to use offers a lifetime guarantee that the fastener will not corrode when used with ACQ lumber. The advantage of concrete piers is longevity and easier maintenance. I never really had any water other than when a power outage for 12 hours disabled my sump pump (I was away overnight so had no knowledge & no backup battery) but I installed the French drain shortly afterwards for “peace of mind”. Currently, lumber rated for ground contact is typically used for posts and grade beams, while lumber rated for above-ground use is used in the rest of the structure. ACQ has been around for a long time but has only become common because of an ecological phase-out of CCA. Simply put, ACQ-treated lumber is extremely corrosive to metal fasteners such as nails, screws, deck hangers, etc. Hello. There has been lots of debate on this issue because of a process called "cupping". The best advice I can give you would be to hire a geotechnical engineer and see if they can be of assistance. By following a few simple steps, the dissimilar materials can be separated and the corrosion process stopped. Brick Porch Floor . If that shows nothing abnormal then you may need to have an engineer come out and do concrete core samples, looking more closely at the vapor retarder (if there is one in the area) and the soil. Hydrostatic pressure is a term that is often used when excess moisture has created problems with concrete slabs and connected flooring systems. Next, set a pressure treated wood support post rated for "ground contact" on top of the pad and backfill the soil into the hole. Good luck. Yes and no. How long will they last? Keep it away from animal food storage bins, water troughs and compost bins. The insurance expert asked to do a visit by video and has said that the collapse is due to hydrostatic pressure due to lack of drainage. However, accurate and comprehensive moisture testing and site evaluation can indicate the true source of concrete moisture intrusion to ensure proper and lasting remedies. Let them take a look and give you another opinion. Good luck. The main floor apartments are on concrete floors and have hot water heating pipes passing thru.
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