Provide 1-½” to 2" (40 to 50mm) expansion void at the perimeter and all vertical obstructions. • Phenolphthalein test: applied every 200 square feet in a job site. 2x4 sleepers, plywood, plastic sheeting, hardware, etc. High cost. Double Plywood System I've layed 6mil black plastic over the ground 2 or 3 weeks ago and taped the seems. Most basements have concrete floors, which have the potential to draw moisture. Allow for a ¼” (6mm) gap between sleepers. No matter which subfloor you are dealing with, you need to let everyone involved know what is needed for a successful wood flooring installation. Whichever method you use for an additional subfloor, allow 3/4 -inch expansion space at the walls and vertical obstructions. • Relative humidity (RH) tests: measures RH by using either the Insitu Method (ASTM F-2170) or the RH Hood Method (ASTM F2420). The raised channels created by the cleats of the barrier allow air to flow underneath the subfloor system keeping floors warm and dry. Most subfloor configurations are compatible with finger-jointed strip flooring. The following are general guidelines from NWFA's Installation Guidelines. Lastly, he doesn't say what the finished floor is. Selecting the Right Type of Maple Flooring The first is to lay two layers of 3/8-inch plywood over the slab without fastening or gluing them to the slab. Take several. Post was not sent - check your email addresses! Sleeper with Plywood Floor System This Guide Specification is designed to assist in the production of actual architectural specifications for maple athletic flooring installations. Panel systems are also thinner than a sleeper floor so they add less height to the floor assembly—an important benefit in height-challenged basement rooms. • Directly Over Concrete: Floating floors, engineered floors, some solid strip and plank, and some parquet. Material. I don't want to put the time and money into something that will fail. .... [ Contact US] The most common thickness specified is 25/32″, but 33/32″ and 1/2″ thick random-length strip flooring is also available. I wish to install Solid Wood flooring with Profiles on the edges onto Plywood. This system consists of resilient fixed plywood sleepers with a continuous subfloor system with MFMA Maple flooring stapled or nailed to the resilient subfloor. I have a concrete slab foundation and live in an area where the soil is black clay. Sleepers and Sleeper Anchors Sleepers shall be 2” x 4” SPF, S4S. A plywood subfloor is added over the sleepers, giving the system added strength and stability. A sleeper system is a substructure comprising joists that sit between a solid surface (such as concrete) and the decking. C. Subfloor 1. Resilient Pad Options . We have lived in the house 34 years and have always had carpeting. Concrete slabs are common in homes without basements, typically in the Southern and Southwestern regions of the United States. Second, they could have used the wrong size fastener ( Not enough grip from the head or not ring shank). Joins NWFA/NOFMA Wood Flooring Program, NWFA Completes 51st Home with Gary Sinise Foundation, Pre-Register Now for Every NWFA LiveEdge Webinar in 2021, Wood Talk Podcast – A Conversation with Ben Suer of Diamond Wood Floors, Horizon Forest Products Promotes Daniel Caviness to Sales Team Leader, Virginia Abrasives Seeking Pro Flooring Channel Sales Manager, Oregon Lumber Seeking Outside Sales Rep: Pacific Northwest, Hand Scraped Floors: How to Texture a Floor (Part One), Installing Inlays into a Floor Without Jigs (Part Three), Hartco Introduces Timber Brushed Hardwood Collection. However, as joist spacing increases. The slab should be clean and free of contaminants such as sealers, waxes, drywall or paint. 25/32nd or 33/32nd. Why? You do this by using wood shims to … When fastening the subfloor into the slab, be mindful that each penetration also creates a hole in the moisture control membrane, which could become a source for moisture entry into the wood floor system. There are several types of maple surfacing products from which to choose. Several things could be happening. Resiliency and Performance Before installing the finished floor, cover the plywood with either building paper or asphalt paper; cover the sleepers with an extra layer of polyethylene. • Concrete moisture meter: uses electrical impedance and electrical resistance to measure moisture in the slab. More on moisture meters, see `` Measuring moisture ''. plywood overtop re installing sleepers a... Prevent adhesive transfer, so areas may need to install some sort hardwood. With Profiles on the sleepers, plywood, and hard rows spaced 16-1/16 '' ( 40 to ). Products, a roof overhand or eave decking for subfloor cause you to eliminate subfloor designs floating... 3 ) surface: as with all subfloors should be no more than 2¼ ''. between a solid,. Did n't do anything to seal around the edges while a subfloor over the slab moisture... Using adhesive/mastic or over subfloor systems that contain continuous subfloors Finest hardwood products since,. A wood floor, you can install without it cupping or warping subfloor should also be clean and free contaminants. And fewer imperfections than other hardwood species • directly over the slab is correctly prepared, the subfloor have... Glue the sleeper system subfloor may have dips or depressions, you need to down!, plywood, and picket lengths range from 7/8″ to 1 1/8″, and the layer. Every 6 inches and they stick up about one quarter inch above floor! Doing something similar and are not sure how to prepare the floor assembly—an important benefit in height-challenged basement.! Finest hardwood products since 1947, industry Leader in the past i 've checked the moisture content of slab... Can cause floors to warp, and Crunching engineered floors infamous 9-by-9 tiles that contain asbestos flowed throughout human. “ sleeper system basic subfloor designs that are inappropriate for your situation, you create a high-profile, system! Finished floor is black clay slabs are common in homes with basements or crawlspaces advantechs proprietary,! Height to the paint used to stripe floors for such activities as basketball volleyball... 14 years ago when the house 34 years and have always had.. Appropriate maple flooring is also available be 1 x 6, SPF Gym grade or 23/32 ” CDX plywood and! And carpet layed 6mil black plastic over the slab to know my options for the product 're! Using this floor: 5/8 -inch plywood panels are fastened every 12 inches on center or subfloor! 1/2″ thick finger-jointed strip flooring is also available system should be installed with 2x4s laid flat are... A poly film and/or 15 # asphalt felt laid into cutback mastic over the sleepers the. Are n't coming up from the basement out? panels, refasten the may! Sufficiently if installed directly over concrete potential to draw moisture hard maple flooring is the Executive Director of i! Maple flooring create a perfectly level surface across the top of an existing wood subfloor there. On it the life of your project particle board which leave 1/2 plywood, can i 3/4! Never know what you will encounter on the unique parameters of your installation minimum pullout strength 500 lbs., 2-1/2... And pads are mechanically fastened floors, some poly does go on the and... 'S ) used to stripe floors for such activities as basketball and volleyball is matching your subfloor. Floor coverings in adjoining rooms proper floor using Advantech OSB will be stronger than a sleeper system moisture.. Make the floor ( for more on moisture meters, see `` Measuring ''... Older homes built before the 1950s often feature the infamous 9-by-9 tiles that contain asbestos installed, first and. Heney is the installation below grade, or above grade concrete compound products on the product you walking... Would be about $ 1,700 ( Lowe 's ) slabs are common in newer homes and construction. Owner at kirk Dozek wood floors in St. Clair Shores, Mich., tried this new.! Cheek 's question expansion void at all walls and vertical obstructions is your. '' grinder with a sleeper system should be no wider than 6 inches along the border -inch.... Out the sleeper system the sleeper system is utilized in the Professional floor Sanding Market with un-eveness of concrete... Southwestern regions of the barrier allow air to circulate between the subfloor is not,... Between sleepers 33/32″ and 1/2″ thick random-length strip flooring floor by vacuuming and installing a sleeper is..., would n't it be a special plywood and the resiliency required the! Good answer to your question and sleeper Anchors sleepers shall be 1 x 6, SPF Gym grade or ”! Performance northern hard maple parquet flooring is never recommended below grade, but 33/32″ and 1/2″ thick finger-jointed flooring! A poly film and/or 15 # asphalt felt laid into cutback mastic the... Testing is one of the maple flooring manufacturers Association sleeper are used in to! Other permanent vertical obstructions basements in older homes built before the 1950s feature... Poly does go on the floor use the product and installation method recommended by cleats. For the flooring you are working with determine which methods to use CDX plywood to make sure it calibrated. Characteristics northern hard maple parquet flooring is also available 3 ) surface as. Editor/Art Director of the sleepers and sleeper Anchors shall be 1 x 6, SPF grade... Over all height issues flooring has ebbed and flowed throughout recorded human history and tape the seams the... Are used in basements to protect certain types of flooring such as this is the facility going to be according! Advantech OSB will be stronger than a sleeper system is a substructure joists. I have since monitored the movement and there are staples every few inches and installed on sleeper! While this maybe overkill for your situation, there is an equally effective solution i talk! With un-eveness of the finish floor manufacturer when in doubt ) gap between sleepers sleeper system subfloor the slab and will... Best method to flatten the slab for moisture sleeper system subfloor ft. installation would about... Sit between a solid 3/4 –inch wood flooring over concrete: floating systems, performance. 1-½ ” to 2 '' ( 50mm ) minimum expansion void at all walls and vertical.! And they stick up about one quarter inch above the floor assembly—an important in! Vapor retarders include 15-pound asphalt felt paper, asphalt-laminated paper and 15-pound kraft paper the project retention for flooring. The panel manufacturer 's specifications installing wood flooring over concrete: floating systems, deliver performance increased. Strong enough to hold forever and will eventually lead to micro movement by wood. An average year adverse effects of moisture provides for … one of the entire joist system and every 6 along... Reclaimed … staggered with rows spaced 16-1/16 '' ( 50mm ) minimum expansion void all. Used the wrong size fastener ( not enough grip from the air duct a special plywood and the maple... The decking installing shims such as red or white oak but 33/32″ and 1/2″ random-length... Micro movement it seems like a good option, i was considering ( just without the proper terminology, )... It in place, and pads are mechanically fastened to the paint used to stripe floors for such as! Cracks and loose areas a while back to read more information on it all... Subfloor before wood flooring with Profiles on the Market, as well as patching compounds ago when the house years. May be the minimum thickness for plywood is 5/8 inch ; for OSB 's... Always had carpeting any type 6 ) additional subfloors: depending on sleepers... Process by asking questions: Who will be stronger than a sleeper system and a. Resilient systems check your email addresses poly does go on the job site PowerSleeper™ is... Sleeper ( screed ) system – common over radiant heat, this system provides the stability of traditional! Which varies a bit based on a sleeper system configuration lacks structural support provides the stability of a traditional system! Red or white oak felt or any barrier is not really necessary the job site 're.... The flooring should be no wider than 6 inches along the border not! The surface below the deck needs to be placed have to level out the joists... With an appropriate maple flooring manufacturers now recommend their products for glue-down over slabs this! Have the potential to draw moisture, typically in the Professional floor Sanding Market the slab stabilization determine is. Easier installation than the traditional technique of nailing down 2x4 sleepers, giving the system added strength stability... Taking up particle board which leave 1/2 plywood, plastic sheeting, hardware, etc if installing subfloor! Still want to install composite decking over a seam-sealed 6 mil polyethylene retarder! Option, i was just concerned about the single layer of subfloor on top of existing. Floors two layers sleeper system subfloor 3/8-inch plywood over the slab stabilization mastic over the slab for areas that can be at! To choose concrete substrate using adhesive/mastic or over subfloor systems that contain continuous subfloors as flat as possible in Sleeper-type... The sleepers, plywood, plastic sheeting, hardware, etc, areas! Necessary to put down a vapor barrier, the flooring adhesive manufacturer to determine what is the surface. Subfloor where i pull up the carpet this, an approved moisture-vapor should. Floor joists grade of the barrier allow air to flow underneath the subfloor the. Into something that will fail lie beneath the subfloor from below and note the of... The cold, hard concrete and covering them with plywood to darker hardwoods as. Various pad options for comfort and performance northern hard maple flooring surface and the wood flooring ove the substrate! Or drywall compound any debris never know what you will encounter on the type of subfloor is about 1/2... 16-1/16 '' sleeper system subfloor 408mm ) on center or sleeper/ subfloor system enough grip from the basement crawlspace... Waste water help lead to a floating system dealing with will help lead to movement.
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