Installation Guide

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					                                                    1           BASICS
                                                  Please read all instructions carefully before installation. Improper installation may void
                                                  the warranty.

                                                                                       ✔ Above grade
                                                                                       ✔ On grade

Installation Guide                                                                     ✔ Below grade

Glueless Engineered Prefinished Hardwood Floors   PRODUCT USE
                                                  Mirage Lock engineered products can be installed above, on or below grade. They may be
                                                  installed over plywood, concrete subfloor or over subfloor equipped with radiant heat system.
                                                  Mirage Lock floors can also be installed over existing flooring such as linoleum and asphalt,
                                                  vinyl asbestos, cushion vinyl, rubber, marble, or ceramic tile as long as these materials meet
                                                  the requirements and recommendations set out in this guide. Lock floors should never be
                                                  installed on carpeting or any other soft floor covering.
                                                  Glueless installation requires the Mirage recommended waterproof acoustic membrane.
                                                  Refer to the technical bulletin No. 20 for more details.

                                                     INSTALLER AND OWNER RESPONSIBILITY
                                                     Hardwood is a natural material that may reveal imperfections. Mirage prefinished
                                                     hardwood floors are manufactured to meet the highest quality standards of the industry,
                                                     which permit a defect tolerance and grading variance not to exceed 5%. The
                                                     defects may be of manufacturing or natural type.
                                                     For the manufacturer of Mirage prefinished hardwood floors, Boa-Franc, G.P., hereafter
                                                     called “Boa-Franc”, no effort is spared to ensure that the product is free of manufacturing
                                                     defects and following strict guidelines, each wood board is individually and meticulously
                                                     inspected to select the right pieces belonging to the grade being produced. Prior to
                                                     installation, installer must make sure that every subfloor inspection and pre-installation
                                                     requirement listed in this guide is satisfactorily met or even exceeds minimal specifi-
                                                     Final grade, manufacturing, finish quality check and approval of product
                                                     before installation remains the sole and joint responsibility of owner and
                                                     installer, even if owner is absent at time of installation. Installer must exercise sound
                                                     judgment [common sense] before and during installation; boards showing any glaring
                                                     defects or imperfections must be trimmed and used in hidden places or not used at
                                                     all. Once installed, any board is considered as having been accepted by
                                                     installer and owner.
                                                     When ordering hardwood flooring, it is recommended to add 5 to 8% to the square
                                                     footage needed as allowance for cutting waste and color grade variation, according
                                                     to type and place of installation.
                                                     When in doubt, installer should not install any board showing visible grade, manufac-
                                                     turing or glaring defects, if unable to use in hidden places or trim imperfection. If any
                                                     installed board must be replaced at a later date, Boa-Franc’s liability shall be
                                                     solely limited to the replacement of defective products [materials only] in
                                                     excess of the 5% industry accepted norm, excluding trimming waste allowance.
                                                     Boa-Franc shall not in any case be liable for installer’s lack of judgment, quality of
                                                     installation, labor and installation costs.
   2           WARRANTY                                                                                3           CARE PREVENTION
WARRANTY PROGRAM SUMMARY                                                                             FLOOR CARE PREVENTION TIPS
The Residential Warranty Program is effective on all Mirage Lock engineered prefinished               1. Sweep or vacuum regularly to rid your floor of dust and eliminate abrasives that can
hardwood floors manufactured after January 1, 2007.                                                      scratch the finish.
Mirage Lock floors can be disassembled and reinstalled up to three times while remaining              2. Quickly wipe spills from floor to protect wood from excess liquid.
covered by the warranty program. Damage caused during installation, handling, or disas-
                                                                                                      3. Use mats outside and inside entrances to prevent sand and abrasives build-up on floor.
sembly is not covered by the warranty.
                                                                                                         Avoid rubber or other dense mat backings that prevent airflow beneath rugs and retain
                                                                                                         abrasives and humidity.
Structural lifetime warranty
Boa-Franc warrants to the original purchaser its Mirage prefinished hardwood floors against           4. Use mats near sink, dishwasher and workstations to protect floor from cooking utensils,
any manufacturing defects caused by improper milling, grading, staining, and polyurethane                water spills, detergents, oils and other kitchen mishaps.
finish. Structural lifetime warranty means the hardwood flooring product will remain free             5. Stick felt pads under any furniture or chair legs to ease movement and prevent scratches.
from defects in lamination, assembly, milling and dimension.                                             Keep pads clean at all times and regularly check for signs of wear.
Boa-Franc warrants to the original purchaser its Mirage Lock prefinished hardwood floors              6. Opt for large soft polyurethane or rubber casters rather than narrow rigid plastic ones.
against delamination [separation between plies], buckling, warping, twisting and cupping in           7. Protect your floor when moving heavy objects. Place on a reversed mat, a
normal environmental conditions, as suggested in the present guide.                                      smaller piece of plywood. Place objects on this and slide smoothly over floor.
Normal environmental conditions mean that heating and ventilation systems should be                   8. Avoid putting heavy objects on the joints as they may damage the locking system.
designed to maintain interior relative humidity level [in the air] between 40 to 60% RH, to
                                                                                                      9. Be careful with pointed objects such as spiked-heeled and sport shoes that may damage
ensure the best performance of the Mirage Lock hardwood flooring and other wood furni-
                                                                                                         the finish of your floor, especially if they are worn or damaged.
ture or wood cabinets.
                                                                                                     10. Although Mirage applies UV protection on some natural species in order to reduce the
Whenever this warranty is applicable, Boa-Franc’s liability is limited to replacing, or repairing,       yellowing effects of aging, flooring must be protected from intense sunlight and strong
at the option of Boa-Franc, the defective boards due to manufacturing defects in excess of               artificial lighting to reduce discoloration. Some yellowing is a natural aging process of
five percent [5%], industry standard, material only. Damage due to improper transportation,              wood flooring. The paler the wood, the more pronounced the color change will be.
storage, installation, extreme indoor conditions [extreme heat, dryness or moisture], extreme
                                                                                                     11. Use Mirage Clean products to clean your floor. Do not use wax, oil-based detergents
sunlight, or any other cause are not covered. Exposure to excessive heat, dryness or moisture
                                                                                                         or other household cleaning agents on your floors, since these products may dull or
may cause damage to the flooring. It is natural, due to the inherent properties of wood, that
                                                                                                         damage finish, leave a greasy film that makes floors slippery and make maintenance
some minor contraction and expansion might occur. These occurrences and/or visual
                                                                                                         more difficult. Never use a steam cleaner as it could create moisture between the
changes on the hardwood floor will self-correct with seasonal climate changes and/or when
                                                                                                         boards and damage the floor.
maintaining suggested normal environmental conditions.
                                                                                                     12. Do not raise or lower temperature of subfloor radiant heat system by more than
Finish warranty                                                                                          5 °F [2.8 °C] per day when turning system on and off. The wood surface temperature
Boa-Franc warrants, to the original purchaser, that the surface finish on its Mirage prefinished         must never exceed 80 °F [27 °C].
hardwood floor will not wear through or separate from the wood for a period of:                      For additional information, contact your Mirage Authorized dealer for a free copy of our
• Twenty-five [25] years from the date of purchase, when used under normal residential               Mirage Maintenance & Warranty Guide or visit our Website at
   traffic conditions, or
• Three [3] years from the date of purchase, when used under light commercial condi-
   tions, such as business offices.
Finish warranty excludes any indentations, scratches or surface damage caused by lack of
proper maintenance, misuse, negligence, accidents, spiked-heeled shoes, water, wet
mopping, erosion, pebbles, sand, other abrasives, insufficient prevention and/or protection.
The surface wear must be readily visible and cover at least ten percent [10%] of the surface
area. Gloss reduction is not considered surface wear.
The use of floor care products other than those especially formulated for use on Mirage
prefinished flooring may damage your floor and void the warranty.
These warranties apply on the condition that installation and regular and preventive mainte-
nance have been carried out as recommended in this guide and in the Mirage Maintenance
& Warranty Guide.
If you need to file a claim under the Warranty Program, contact your Mirage Authorized
dealer where the original purchase was made. If your Authorized dealer is unable to answer
your claim, then contact us in writing at the following address:

Boa-Franc, G.P., Technical Service Department
1255, 98th Street, Saint-Georges [Quebec] Canada G5Y 8J5
Tel.: 418-227-1181 – 800-463-1303 – Fax: 418-227-9360
Or by e-mail:
  4           TOOLS                                                                                 6            PREPARATION
                                                                                                  MANUTENTION AND ACCLIMATIZATION
                                                                                                  Prefinished hardwood floor installation requires a little more time and precaution than
                                                                                                  unfinished flooring; handle with care to avoid board surface, component and finish damage.
                                                                                                  Acclimatization: Keep sealed boxes of wood in room where flooring is to be installed for at
                                                                                                  least 24 hours before installation. This will give the wood time to acclimatize to the recom-
                                                                                                  mended indoor conditions.
                                                                                                  PRE-INSTALLATION CHECK LIST
                                                                                                  Basic requirements
                                                                                                  • Hardwood floor installation should be the very last step of any construction or renova-
                                                                                                    tion project.
                                                                                                  • Prior to installation, heating system must be in operation, and room temperature must
                                                                                                    have been maintained at ± 72 °F [± 22 °C] for at least one week.
RECOMMENDED TOOLS, MATERIAL AND ACCESSORIES                                                       • To avoid any moisture-related damages, subfloor must be dry and basement well
• Vacuum cleaner or broom             • Waterproof adhesive tape                                    ventilated.
• Scraper                             • Miter saw                                                 • For below grade installation, ensure that foundations, concrete slab or any adjacent
• Leveling bar                        • Handsaw                                                     objects are thoroughly leak proof.
• Level                               • Claw hammer                                               • Relative humidity must be maintained around 45% [between 40 and 60%] at
                                                                                                    all times.
• Leveling compound [optional]        • Square 16” x 24”
                                                                                                  • Radiant heat performance:
• #20 grit sand paper [optional]      • Measuring tape
                                                                                                    • The radiant heat system must have been tested and in operation for a few weeks
• Wood and/or concrete moisture meter • Chalk line                                                       prior to installation.
• Buffers                             • Mirage Touch [touch up kit]                                 • The wood surface temperature must never exceed 80 °F [27 °C].
• Recommended membrane                • Mirage Clean [maintenance kit]                              • If the radiant heat pipes are visible or exposed in the subfloor, you must cover them
  [See technical bulletin No. 20]                                                                        with 3/8” [10 mm] plywood to spread heat more evenly.
Prefinished accessories such as reducers, stair nosing, etc. are available from your Mirage       Subfloor moisture level check
Authorized dealer.                                                                                Wooden subfloor: Wooden subfloor moisture reading must not exceed 12% and
                                                                                                  differential between boards and subfloor must be less than 4%. Wood moisture meters are
Notes: Boa-Franc cannot be held responsible for any floor damage resulting from                   available from your Mirage Authorized dealer. If moisture reading is too high, postpone
use of inadequate tools or adhesive.                                                              installation, find moisture source and correct it if needed, raise heat and increase ventilation
                                                                                                  until proper conditions are met.
All the installation material must be at the recommended room temperature prior
to the installation ± 72 °F [± 22 °C].                                                            Concrete subfloor: Prior to installation, concrete subfloor should preferably be 45 to 90
                                                                                                  days old, 30 days being the absolute minimum. Concrete moisture meter must be used
                                                                                                  to check subfloor moisture level; in case of positive reading, calcium chloride test must be per-

  5           PREVENTATIVE MEASURE                                                                formed. The concrete subfloor moisture rate must not exceed 7 lbs / 1,000 sq. ft. / 24 hours.
                                                                                                  Never install a hardwood floor if the calcium chloride test reveals humidity levels of more
                                                                                                  than 7 lbs / 1,000 sq. ft. / 24 hours.
EXPANSION SPACE REQUIRED                                                                          Owner and installer are solely and jointly responsible for pre-installation subfloor
Wood needs a certain amount of room to expand and contract with variations in humidity.           moisture level check and must ensure that all conditions and/or specifications listed
No part of the floor must be attached to any surface. A minimum 1/2” [13 mm]                      in this guide have been thoroughly met prior to installation of hardwood floor.
space must be left for expansion [see reference table below] around all room
fixtures [walls, moldings, columns, pipes, steel door frames, heavy objects, etc.]. Attach        SUBFLOOR PREPARATION
buffers to each wall to ensure enough space is left.                                              • Glueless installation requires minimum 5/8” [16 mm] plywood, or 3/4” [19 mm]
If a room exceeds the dimensions in the reference table           A                                 approved OSB chipboard subfloor.
                                                                                                  • Sound: Wooden subfloor must be securely screwed down to joists to prevent any move-
below, use a “T” molding to increase the space required for                                         ment or squeaks. Thoroughly inspect and replace existing floor or subfloor that shows
the expansion gap.
                                                                                                    evidence of water damage or structural weakness. Concrete subfloor must be just as
In irregularly shaped spaces [L-, F-, T- or U-shaped], use a                                        structurally sound before installing hardwood floor.
“T” molding for intersections [Illustration A].                                                   • Flat: Subfloor surface must be flat and maximum tolerance is 3/32” [2 mm] per
                                                                                                    7’ [2 m]. If necessary, flatten down any irregularities, using #20 grit paper, and fill any
                                                                                                    uneven spots with leveling compound.
                                                                                                  • Dry: Subfloor must be dry and within moisture reading specs.
Reference Table                                                                                   • Clean: Vacuum and free subfloor from any debris or obstacles such as cleats, nail heads,
 Expansion space required         Maximum room width              Maximum room length               dried glue or any other material.
       1/2” [13 mm]                  Up to 26’ [8 m]                 Up to 52’ [16 m]
       5/8” [16 mm]                 Up to 33’ [10 m]                 Up to 66’ [20 m]
                                                                                                  • Sketch installation to avoid surprises.
      3/4” [20 mm]                  Up to 39’* [12 m]               Up to 79’** [24 m]
                                                                                                    • Decide starting point or wall.
   * 39’ is the absolute maximum width possible.                                                    • Decide layout angle.
   ** 79’ is the absolute maximum length possible.                                                  • Boards in the last row must be at least 1-1/2” [38 mm] wide to be attached properly.
To establish the expansion space required, use either the length or width, whichever is longer.         If the last row is to be less than 1-1/2” [38 mm] wide, you must reduce the width of
                                                                                                        the first row so that both the first and last rows meet this minimum requirement.
                                         Length                                                   • Remove any baseboard, doorsill and old floor covering if necessary.
                                                                                                  • Trim bottom of the doorstop with handsaw to insert boards underneath.

   7           INSTALLATION
It is very important to start off straight and square. Use the chalk line to draw a line parallel                                     1                              2
to the starting wall and perpendicular to the adjacent wall.

Leave the boards in their original packaging until ready for use.

To enhance the floor’s look, use several boxes at once and mix boards to ensure variations                  Tongue Groove
in color, shade and length.

Start by selecting the boards that will best go with the transition moldings.

Never force boards into place. Clear away or remove anything that could get in the way of
                                                                                                       3                              4                              5
the tongue.

 1. Cover all of the subfloor as well as the base of the walls [approx. 2” (51 mm)] with the
    recommended membrane. Place the membrane in the opposite direction to the boards,
    which is to be installed without overlapping. The recommended membrane includes
    a self-adhesive flap. Use waterproof tape to attach the strips on the short side. [Consult
    the documentation that comes with the recommended membrane for installa-
    tion instructions.]
 2. While facing the wall, start on the left corner leaving a gap at both walls with the groove
    facing you. Leave a 1/2” [13 mm] gap between the wall and the edge of the board. This
    gap will be covered by a molding attached to the wall rather than the floor.

 3. Moving right, put the next board in place. Moving vertically, insert the end tongue into
    the end groove of the first board. Continue in this way until it is time to cut the last board
    to finish the first row.

 4. The board chosen to finish the first row should be long enough to start the second row
    with the trimmed end, so as to minimize trim waste. Leave a gap for the board to                   7                              8                              9
    expand in all directions.

 5. Start the second row with the trimmed end of the board. It should be at least 6” [150 mm]
    longer or shorter than the board used in the first row.

 6. Cross joints must be staggered by at least 6” [150 mm] from one row to the next. Avoid
    lining the joints up or having them follow too regular a pattern.

 7. Insert the tongue at the side of the board into the groove of the first row at a 45° angle.
    Line up the far left side, set the board down and apply slight pressure to lock in place.          10                            11
    Install subsequent rows in the same way.

 8. As the floor can still be moved after the third row has been installed, it is recommended
    that you measure and realign with buffers, if necessary.

 9. The boards on the last row must be at least 1-1/2” [38 mm] wide. Remember to leave
    a gap for the expansion space.

10. If an obstacle prevents the last board sliding into place, cut the latch of the groove’s locking
    system with a chisel.
                                                                                                       12   ATTACHING MOLDINGS
                                                                                                            Choose a molding wide enough to cover the required expansion space and overlap
11. Apply wood glue to the groove and insert the last board.                                                at least 3/8” [10 mm]. The molding must be attached to the wall to enable the floor
                                                                                                            to shift naturally. It is very important to emphasize that the molding covering the
                                                                                                            expansion joint must be attached to the wall, unlike the ”T” molding, which must
Finishing touches                                                                                           be attached to the floor.
• If necessary, install the transition moldings, stair nosings and reducers.
• Remove the buffers.
• Reinstall the moldings and quarter rounds as required, through the membrane
   [Illustration 12]. Nail them to the walls and not to the floor, so that the floor can
   move naturally.
• Cut the membrane that goes beyond the moldings.

• Set a few boards aside in case future repairs are required.
• When installation is completed, vacuum the floor thoroughly, spray a light mist of
  Mirage Clean on a terry cloth mop and clean the floor.

                                                                                                                                                                          Litho Canada, 1002_15598B1.9