| | Engineered Hardwood Flooring Installation Instructions | | Tip: Check for proper color choice and manner prior to Installation. No claims volition be accepted afterwards installation | |  | | Important Information before You Begin | | i.1 Installer/Owner Responsibility
Carefully inspect all materials before installation. Materials installed with visible defects are not covered under the warranty. Do not install if you are non satisfied with the floor; contact your dealer immediately. Final quality checks and blessing of the production is the sole responsibleness of the owner and installer. Make sure you are installing the right color; no claims will be accepted for color in one case the material is installed. Please read the provided warranty for your product before installation.
The installer must determine that the job-site surroundings and sub-floor surfaces meet applicable structure and material industry standards. We recommend the use of National Wood Flooring Certified Professional Installers. The Manufacturer declines any responsibility for chore failure resulting from deficiencies acquired by sub-floor or chore-site environment or installation related items. All sub-floors must be clean, flat, dry and structurally sound. ane.two Bones Tools and Equipment
Broom or vacuum, moisture meter, chalk line & chalk, tapping cake, tape measure, condom glasses, hand or electric saw, miter saw, 3M blue tape, hardwood floor cleaner, hammer, pry bar, color wood filler, direct edge, trowel and tapping block. Failure to use a tapping properly when installing engineered flooring tin /will cause splintering. NEVER STRIKE THE Edge OF THE Floor WITH A MALLET/HAMMER OR IMPROPERLY Utilise THE Borer Cake. ane.3 Putty and Filler Use
Please keep on hand similar colored putty or filler as well every bit colored markers to touchup small-scale chips and nicks in the finished product. Information technology is also advised to fill up any allowable gaps before leaving jobsite 1.4 Recommended Installation Methods
All of our products* can be installed using the direct glue down method, the floating method and by the use of proper mechanical fasteners. However, nosotros recommend that the product be direct glued for the best installation for the following reasons;
i) Approved adhesives provide enhanced vapor emission protection
2) Approved adhesives tin can provide increased Sound Transmission Class (STC)
3) Approved Adhesives may help to increment Impact Isolation Course (IIC)
4) Approved adhesives end squeaking, crackling and other noises due to loose or improperly placed fasteners
*(Currently our Elm and 8mm Birch products) are canonical for direct gum down installations only 1.5 Recommended Adhesives
Adhesives from the following manufacturers may exist used to install our products. However, this list is non an endorsement of any production and no warranty is provided by united states that the adhesive will work for your intended purpose. Nosotros will also not exist responsible for whatever damage or warranty claim that is the result of using whatsoever of these products. Your sole warranty and recourse is with the adhesive manufacturer of your choosing in regard to any merits that is the result of the use of any agglutinative. Some adhesives contain water which can damage your floor Bostik'southward Adhesives for Hardwood Flooring
Capital Adhesives for Hardwood Flooring
Dri-Tac Adhesives for Hardwood Flooring
Franklin Adhesives for Hardwood Flooring
Mapei Adhesives for Hardwood Flooring
MS Taylor Adhesives for Hardwood Flooring
Sika Adhesives for Hardwood Flooring
Stauf Adhesives for Hardwood Flooring |  | | Chore-site weather | | two.1 Treatment and Storage.
• Don't truck or unload wood flooring in the rain, snow or other boiling conditions.
• Store wood flooring in an enclosed building that is well ventilated with weather proof windows. Garages and outside patios, for example, are not appropriate for storing forest flooring
• Leave adequate room for good air apportionment around stacks of floor 2.2 Job-site Conditions
• Forest floor should exist ane of the last jobs completed in a construction project. Prior to installing hardwood floors, the edifice must be structurally complete and enclosed, including installation of exterior doors and windows. All finished wall coverings and painting should exist completed. Physical, masonry, drywall, and paint must also be consummate, allowing adequate drying time as to non raise moisture content inside the building.
• HVAC systems must be fully operational at least 7 days prior to flooring installation, maintaining a consistent room temperature betwixt 60-75 degrees and relative humidity between 30-50%.
• Engineered hardwood floor may be installed higher up, on, and below grade level.
• Information technology is essential that basements and clamber spaces are dry. Crawl spaces must be a minimum of 18" from the ground to underside of joists. A vapor barrier must exist established in crawl spaces using 6 mil black polyethylene film with joints overlapped and taped.
• During the final pre-installation inspection, sub-floors must exist checked for wet content using the advisable metering device for forest and/or concrete.
• Engineered floor is typically gear up to install upon delivery in virtually normal environments when the site temperature is maintained betwixt 60-75 degrees and thirty% - 50% ambient RH. Ambience temperature and humidity along with subfloor moisture content must be in synch with the wet content of the wood.
• Flatness required equally follows- 3/16" in x' or 1/eight" in half-dozen'. Floating floors requirements are more stringent, see section 4.four for more details. Sand loftier areas and joints. If the flooring is to exist glued down, then fill low areas with the appropriate cementitious sub-floor leveling compound. The leveling textile should provide structural soundness for the flooring being installed. Structural soundness is the responsibility of the installer
• Distribute lengths, avoiding "H" patterns and other discernible patterns in next runs. Stagger end joints of boards row to row a minimum of six" for strip floor, 8-10" for 3" to 5" plank, and 10" for plank wider than five" for meliorate visual effects when possible. However, the length of the material may dictate end joint proximity. Close end joint proximity may affect structural stability on mechanically fastened installations if there is deflection of the substrate present. |  | | Sub-flooring Grooming | | 3.1 Wood Sub-floors
• Sub-floor must be structurally sound and properly secured with nails or screws every 6 inches along joists to reduce the possibility of squeaking.
• Wood sub-floors must be dry and free of wax, paint, oil, and debris. Replace any h2o-damaged or delaminated sub-flooring or underlayments.
• Additional requirements for flatness are required for floating floors equally stated in installation guidelines
• Preferred sub-floors - 3/4" CDX Grade Plywood or iii/4" OSB PS Rated sub-floor/underlayment, sealed side downwards, with joist spacing of 19.2" or less; Minimum sub-floors - 5/viii" CDX Grade Plywood sub-floor/underlayment with joist spacing of no more than 16". If joist spacing is greater than 19.2" on center, add a second layer of sub-flooring material to bring the overall thickness to one-ane/8" for optimum flooring performance. Hardwood flooring should be installed perpendicular to flooring joists. If flooring is installed parallel with joists, so an boosted layer of ½" plywood must be installed to meet minimum requirements of 1-i/eight"
• Sub-floor moisture check. Measure the wet content of both the sub-floor and the hardwood flooring with a pin moisture meter. Sub-floors should not exceed 12% moisture content. The moisture deviation between sub-flooring and hardwood floor should not exceed 4%. If sub-floors exceed this amount, an effort should be fabricated to locate and eliminate the source of moisture before further installation.
• Practise non smash or staple over particle lath or like product. 3.ii Concrete Sub-floors
• Physical slabs must be of high compressive force with minimum 3,000 psi. In addition, concrete sub-floors must be clean, apartment, dry, structurally sound, polish and free of wax, paint, oil, grease, dirt, non-compatible sealers and drywall compound etc.
• Engineered hardwood flooring may be installed on, in a higher place, and/or beneath-grade.
• Physical substrates must run across or exceed adhesive manufacturers guidelines for flatness – 3/sixteen" in 10' or i/8" in 6'
• Additional requirements for flatness are required for floating floors equally stated in installation guidelines
• Lightweight concrete that has a dry out density of 100 pounds or less per cubic pes is not suitable for engineered forest floors. To bank check for lightweight concrete, describe a blast cross the top. If information technology leaves an indentation, it is probably lightweight concrete. Lightweight concrete can be used if properly treated. Check with the adhesive manufacturer for the proper textile to use
• Physical sub-floors should always be checked for moisture content prior to the installation of wood flooring. Standard moisture tests for concrete sub-floors include relative humidity testing, calcium chloride test and calcium carbide test.
• Measure the wet content of the concrete slab using a TRAMEX physical moisture meter. If it reads iv.five% or higher up, then this slab must exist checked using calcium chloride tests. Flooring should not exist laid if the test result exceeds 3 lbs. per 1000 sq.ft. of vapor emission in a 24-hour period. Please follow the ASTM guideline for concrete moisture testing.
• As an alternative method of concrete wet testing, In-situ relative humidity testing may be used (This is the preferred method). Reading shall not exceed 75% relative humidity. 3.3 Sub-floors other than woods or physical
• Ceramic, terrazzo, resilient tile and sheet vinyl, and other difficult surfaces are suitable equally a sub-floor for engineered hardwood flooring installation.
• The to a higher place tile and vinyl products should be level and permanently bonded to the sub-floor past advisable methods. Clean and abrade surfaces to remove whatever sealers or surface treatments to insure a expert adhesive bond. Do non install over more ane layer that exceeds 1/8" in thickness over suitable sub-floor.
• Substrate must meet or exceed adhesive manufacturers guidelines for flatness
• Boosted requirements for flatness are required for floating floors every bit stated in installation guidelines, section four.4 below three.four Full general Radiant Heat Installation Instructions
• To minimize the effect that rapid changes in temperature will have on the moisture content of the woods flooring, NWFA recommends that an outside thermostat exist installed. If 1 is not present, advise to your client that this should be considered. Unlike conventional heating systems, which switch on every bit needed, radiant systems work most effectively and with less trauma to the wood floor if the heating procedure is gradual, based on pocket-sized incremental increases in relation to the outside temperature.
• Subfloors should have proper moisture tests co-ordinate to the wet testing procedures outlined in Affiliate 3. Of the National Wood Floor Clan Installation instructions
• The essential requirement in proper applications of wood flooring over radiant heated systems is to avoid penetration of the heating element. Radiant-heated subfloor systems can exist concrete, woods or a combination of both.
• If the subfloor is physical and it has cured, turn the heat on, regardless of season, and leave it on for at least 5-half dozen days to bulldoze out residual moisture before installation of the wood flooring.
• Some installation systems, particularly glue-down applications, crave the estrus to be reduced or even turned off before installation of the flooring begins, so the adhesive does not cure excessively.
• With water-heated radiant-heat systems, a pressure level test must be performed and documented by a qualified plumber or the arrangement installer prior to get-go the installation of the forest floor.
• If flooring materials that deport heat at different rates are on the same circuit or heating zone, check with the HVAC mechanical engineer before proceeding. Ensure that floor temperature does non exceed 82 degrees. The use of an in-floor temperature sensor is required to prevent the subfloor from exceeding the temperature of 82 degrees.
• Radiant heat is dry oestrus. A humidification system may be necessary to maintain wood flooring in its condolement zone of thirty%-l% R.H.
• Information technology is the responsibility of the Possessor/Installer to determine the right installation method over Radiant Heat. Delight refer to National Wood Floor Installation Guidelines - Appendix H for boosted data
• Subfloors should have proper moisture tests co-ordinate to the wet testing procedures outlined in Chapter three. Of the National Wood Floor Association Installation instructions |  | | Installation | | four.1 Preparation
• To achieve a uniform color and shade mixture across the entire floor, open up and work from several unlike cartons at a time.
• Stagger the ends of boards and maintain at least vi" between end joints on all next rows when material permits.
• Undercut door casings one/sixteen" college than the thickness of the flooring being installed. Also remove existing moldings.
• Start installation parallel to the longest unbroken wall. An outside wall is oft used, withal insure all walls are straight/plum prior to offset
• Expansion space shall be left around the perimeter at to the lowest degree equal to the thickness of the flooring textile. For floating installation, the minimum expansion space shall be 1/2" regardless of the thickness of the cloth. 4.2 Glue-Down Installation Guidelines (Recommended)
• Snap a working line parallel to the starting wall, leaving appropriate expansion infinite around all vertical obstructions. Secure a directly border on the working line before spreading adhesive. This prevents movement of the boards that can crusade misalignment.
• Use urethane adhesive using a trowel recommended by your gum manufacturer. Exercise not use a water-based adhesive with this hardwood floor production.
• Some adhesive residues tin damage terminate if left on as well long. It is imperative that you clean off as soon as possible to avoid impairment. Finish damage acquired by adhesive residue is not covered by the manufacturer's warranty
• Spread adhesive from the working line out to approximately the width of two or three boards.
• Install a starter lath forth the edge of the working line and begin installation. Boards should be installed right to left with the natural language side of the lath facing the starting wall.
• Continue installation in this method
• iii-Grand Blue Tape can exist used to concur planks tightly together and reduce pocket-sized shifting of floors during installation. Remove adhesive from the surface of the installed floor as yous work. All adhesive must be removed from floor surfaces prior to applying three-1000 Blue Tape. Tape should never be allowed to remain on flooring for an extended catamenia and never overnight. No claims will be processed for tape harm.
• Thoroughly clean, sweep, and vacuum installed flooring and inspect the floor for scratches, gaps and other imperfections. Exercise not apply any tape directly to the installed flooring to concur downwardly floor protection. The new flooring tin exist used after 12-24 hours.
• Thoroughly remove all adhesive residue prior to leaving the job site. Exist certain that whatever solvent used to remove adhesive is not directly applied to the floor. Whatsoever area wiped with a solvent rag must be re-wiped with a clammy cloth to remove solvent residuum
• Exist sure to change rag/fabric frequently to avert spreading adhesive residue 4.iii Nail or Staple Downwards Installation Guidelines
For products over 5" in width use the glue assist method when using the nail/staple down method. Refer to the NWFA Technical Manual – Department 5. for complete details.
If boom/staple down is over a conditioned space below that is maintained at the same conditions as is above living space the utilize of a vapor retarder is not required. Subfloor must be tested for moisture and be within the normal moisture content for the region.
If the space beneath is NOT conditioned then a liquid applied or like Class 2 Vapor retarder compatible with the agglutinative is required. Follow directions of the practical product and permit for proper dry fourth dimension prior to installation of the wood flooring.
SETUP and Use of Nail/Staple Guns – Proper ready and adjustment of the fastener device is critical. Tool should exist properly adjusted and air pressure correctly set to ensure the fastener is seated properly in the pocket and sits flush. Test the gun with a sacrificial piece of flooring to properly suit the profile of the gun, check the depth of the fastener and make adjustments as needed. The fastener should not damage the tongue or the surface of the face of the flooring. Await for any raised bumps higher up the fastener this is known as dimpling.
 The structure and use of substrate products like OSB has connected to increase even though the actual nominal thicknesses have reduced in many instances. There can be noises such as squeaking, popping and crackling associated with mechanically fastening an engineered hardwood floor to these substrates. Our products are not warranted against the above referenced noises or against nail or staple pull through from the substrate
• A vapor retarder of asphalt - saturated paper should be installed on the sub-floor before installing hardwood flooring. This will retard moisture from below and may prevent squeaks.
• Snap a working line parallel to the starting wall, assuasive expansion infinite equally specified above.
• Lay i row of boards along the entire length of the working line, with the tongue facing away from the wall.
• Top-nail and blind-nail the first row (hand nail if necessary), using advisable fasteners. Blind smash at 45° angle through the tongue 1"-three" from the end joints and every 4-six" in between along the length of the starter boards. Each succeeding row should be bullheaded-nailed whenever possible. Use narrow crowned staple (under 3/8") 18-twenty gauge thickness fasteners - Length of fasteners as follows: 1 ½" staples for ½" or 9/sixteen" flooring or 1"- 1 1/4" cleats designed for engineered flooring. 3/eight" flooring would use a minimum one ¼"" staple or 1" cleat.
• Spacing of fasteners should be as follows - Staples should be placed every iii" - 4" and cleats should be placed every 4" - half-dozen". All fasteners should be placed within one" -2" of cease joints. i/two" crown - 15 1/2-gauge staples typically used for solid woods flooring should non exist used as they may impairment the flooring. To ensure proper alignment of floor, make sure the flooring along the working chalk line is straight.
• Go along the installation until finished. Distribute lengths, staggering terminate joints equally recommended above.
• Thoroughly clean, sweep, and vacuum installed flooring and inspect the flooring for scratches, gaps and other imperfections. Practise not utilize whatsoever record straight to the installed floor to hold down floor protection. The new flooring can be used immediately after installation. four.4 Floating Installation Guidelines
• Sub-floor flatness is critical to the success of a floating floor installation. A flatness tolerance of 1/8" in a x-pes radius is required for floating floor installation.
• 2n1 underlayment must non exceed 2mm in thickness and should be high density
• Follow underlayment manufacturer's instructions for either a woods or physical subfloor application. If concrete sub-flooring, it may require the addition of a six mil poly film if the underlayment does not take a minimum of a six mil poly film attached. Do not tape seams of poly over woods subfloors.
• Minimum expansion space at all vertical surfaces is ½" (12.7 mm)
• Use agglutinative such as Franklin'southward Titebond Tongue and Groove adhesive or similar production as recommended by your retailer/benefactor
• Snap a working line parallel to the starting wall, allowing expansion space as specified above.
• Boards should be installed left to right with the natural language facing away from the wall. Install starting time iii rows by applying a sparse bead of glue in the groove on the side and finish of each board. Press each lath firmly together and lightly apply a tapping cake if necessary.
• Continue installation every bit above by applying a sparse bead of glue in groove side and end groove of every board throughout installation
• Clean excess glue from between boards with a clean cotton cloth and water, frequently irresolute the water and rags to avert a brume.
• Tape each board together at side and cease seams using 3-G Blue Tape.
• Allow glue to set earlier continuing installation of subsequent rows.
• Go along the installation until finished. Distribute lengths, staggering end joints as recommended higher up. Stagger on the outset three rows should be 16"s or greater: thereafter stagger planks a minimum of 6" southward and avoid stair-stepping.
• Maximum span without a transition is recommended to be twoscore ft in any management. Additionally, it is recommended that transitions be installed at any doorway or opening 36 inches or less. Without the use of t-molds buckling of the floors or separation may occur at doorways
• Thoroughly clean, sweep, and vacuum installed flooring and inspect the floor for scratches, gaps and other imperfections. Practice not apply whatsoever tape straight to the installed flooring to hold down floor protection. The new floor can be used after 12-24 hours depending upon the allowed cure time of the adhesive. | – Bank check jobsite thoroughly for whatsoever agglutinative balance left on flooring.
– Check to make sure all chips and nicks are properly colored.
– Check to insure all adequate gaps are filled with like-colored putty. | | | | | 
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