Excessively humid air settling into the basement could create that memorable "basement smell" over time, but I think you would feel a kind gross level of moisture in the furniture long before the sleepers and sheeting were in danger. If you cover a basement slab with a vapor-impermeable layer, and you leave only a 1/2-inch wide crack at the perimeter of the room and you cover the crack with baseboard, you can't expect any significant upward drying to happen. Eventually I'll do all the areas and SLC where need be, then rigid core vinyl planks. The seams expose the OSB to the exact conditions that we all know we need to protect organic matter from in a basement. It would most certainly by LVL over the subfloor. The crack isn't wide enough to make a difference, and the baseboard covers it anyway. It can stay damp for 200 years without damage. Dricore subfloor membrane panel 3 4 in dricore subfloor membrane panel 3 4 in the 10 best basement flooring options basement sub floor greg lellan Even if you are … No prefab system, no warranty. I can't recall what product I was given at the tile store, but it had two purposes. Amdry is an insulated subfloor panel with integrated moisture, mold & mildew resistant surface film, raised drainage & air circulation channels. I am considering the ply/osb rigid foam, tapcon, sealed gap method. Subfloor Calculator. If you have the head room and a nearly dry floor, you might consider sealing the floor overall, then laying down 2x4 sleepers 16" O.C. This feature has been temporarily disabled during the beta site preview. With the exception of epoxying rods, they all seem hit or miss. I'm under the assumption that it was a drylock type of paint. I get vapor drive in some areas, none in other areas. Both are providing alternative subflooring … I have limited head height in a 90+ year old basement (certainly no plastic underneath, 3-5" slab). I’ve been reading about my options for subfloors, and have read many great threads and articles on this site. This sounds good and it is the option I am leaning towards. I suspect DriCore and AmTry, Barricade and Tyroc actually have the building science wrong. The manufacturers of the products you refer to are worried about expansion due to moisture absorption. I need to pour SLC to level some small areas and mapei suggesting their epoxy to seal existing, then the SLC. The … After that initial write up from Martin I haven’t heard anything on this website about AMdry panels as a viable solution for basement subfloors and that raised my suspicions about them. They work by a capillary break to protect the subfloor. Find OSB at lowest price guarantee. I can’t be sure that plastic sheeting was put under the slab so I am assuming that it was not. Thanks for the input guys. I've only done a small test section of my basement (2 4x8 sheets worth) floor so far, but using 23/32 OSB, a fastener in each corner (so 4 per sheet) seems sufficient. I would agree that a tongue and groove edge helps a lot for underfoot stability. Tape them all the way around tightly and wait a week or two. I'm pretty sure both would deny a claim if you gasket-ed the edges contrary to their instructions. If you are fortunate enough to have good perimeter drainage around the house and sufficient stone under the slab (thick enough to keep seasonal ground water levels at bay), you may find only a faint imprint of the plastic square after the two weeks. First, I hope you can take the time to update your user profile to change your screen name. Even when I drilled all the way through the slab. and attach the plywood as a floating floor assembly. 2. The boards have staggered seams that are taped, but also bonded with spray foam. My goal is to essentially turn the basement into a styrofoam cooler and then begin the “finishing” part once it’s sealed and fully insulated. What I like about Wahoo Walls and the DRIcore SMARTWALL® is they appear to be the best options to prevent mold. Full information about Amdry 2.09 in. Amdry saves time saves money saves energy, Amdry helps achieve warmer, drier, more energy efficient basements Amdry promotes better indoor air quality by providing a continuous thermal break across … The GRK's sound pretty good as well. If there might ever be water under the floor, then I'd want it to freely flow to a sump/drain without wetting the OSB/plywood. But to make your basement comfortable and welcoming for longer term occupancy, you need a proper subfloor under your floor covering. Also was a major PITA to mix and apply, but it did finally stop all the water from weeping through my 30's vintage block foundation. Dricore vs Barricade vs. Tyroc vs. other options? AmDry subfloor panels from Amvic Building System … Greetings. At the end of the day I want to do the best job, but I do have to weigh the installation time and joint damage. Here is a link to an article that tells you how: Advice to GBA readers with goofy screen names. This engineered material acts as a … Might end up needing an occasional extra here and there as needed. I'll lose an additional inch of headroom, but I won't have to worry about if/ when the foam bond fails like I will with a liquid coating. DRICORE ® Subfloor is a simple do-it-yourself solution to help you create a warm, dry, comfortable basement that is fast and easy to install. Maybe with the exception of a few to keep the first sleepers in place. Take a two sheets of clear plastic about 3 feet square and lay them on the floor - one in the middle of the biggest area and one in/near the basement corner with the highest ground elevation outside. For my personal residence I used a delta brand dimple mat against the concrete, then taped rigid foam.