Installation Guide

For Pergo Outlast+ Only
Revised: 3-Jan-2018
stocking/transportation environment of the flooring and the
final installation environment of the flooring.
c. Pergo Outlast+ must be installed as a floating floor and
must not be fixed to the subfloor. A
3
⁄8" expansion space
must be provided around the perimeter of the room and
any fixed objects such as pipes or, columns. Door-jambs
and casings must be undercut. The Pergo Outlast+
flooring must be placed at least a
3
⁄8" beneath the
undercut jambs and casings. A
3
⁄8" expansion space
must also be included beneath the undercut jambs and
casings.
Areas greater than 40 feet in length or width, i.e. (one
room; two or more rooms with adjoining archway greater
than 4 feet; large room with an extended hallway) must
have a T-molding installed across the width of the room,
archway or at the beginning of the hallway to provide
additional expansion space. Doorways of less than 4 feet
must always have a T-molding or other transition molding
regardless of floor length or width.
d. Pergo Outlast+ can be installed above, on or below grade,
however, below grade must not have a sump pump.
e. When installing over concrete, a 6-mil. (.15mm) non-
recycled (100% virgin) resin polyethylene vapor barrier is
required.
f. Use approved safety equipment to provide proper
protection based on each given task. Always be careful
when handling the planks as the cut edge of the laminate
can be sharp.
g. Important — Always inspect each plank to make sure it is
not damaged prior to installation.
6. JOB SITE E VALUATION - Exterior conditions and how
they can influence the interior of a home.
a. Building codes are established to provide a safe living
space. There are nationally recognized building codes,
such as BOCA — Building Officials and Code
Administrators International, Inc., and ICBO — International
Conference of Building Code Officials as well as others.
There are state and local building codes that also provide
the same service and interest assuring a safe and
consistently built living or working space. There are specific
building codes that are designed to prevent excessive
moisture from damaging the building materials. There are
also maintenance practices that are required to prevent
excessive moisture from damaging the building materials.
b. Water drainage from adjoining properties, changes to your
home site or incorrect building procedures or damage can
allow excessive water or moisture to penetrate basement
walls, flow beneath concrete slabs and basement floors and
into crawl spaces. High water tables can necessitate the
use of sump pumps to pump water that is flowing beneath
a concrete floor. Pergo Outlast+ flooring should not be
installed over any floor with a sump pump or in a room with
a floor drain.
MOISTURE TEST:
A moisture test is recommended on all concrete subfloors and
wood subfloors constructed over a crawl space or basement.
Maximum acceptable moisture readings for wood subfloors is
12%. When using a calcium chloride moisture test for concrete
subfloors (ASTM 1869), values must be ≤ 5 lbs/1000ft2/24-hr
or <80% RH with an in situ probe (ASTM F2170). If your
moisture readings exceed those listed above, we do not
recommend installing Pergo Outlast+.
IMPORTANT NOTE: During a dry season, you may find that you
get an acceptable moisture reading even if other job site conditions
are not acceptable. Before installing Pergo Outlast+ floors, you
must be sure that your job site conditions as well as your moisture
readings are acceptable year around.
c. For concrete subfloors, vapor barriers, such as the
recommended Pergo Moisturbloc™ 6-mil. polyethylene
film installed correctly, 8-inch overlap at seams, installed
up to the edge of the wall base or wall, will protect the
finished floor from normal water vapor that is emitted
through the concrete from a correctly constructed,
maintained and undamaged building and correctly graded
site that prevents excessive water exposure.
d. For wood subfloors, a vapor barrier is not required on the
surface of the wood subfloor. When there is a basement,
the basement floor and walls must be dry. When there is a
crawl space the soil in the crawl space must be covered by
a 6 mil (.15mm) non-recycled (100% virgin) resin
polyethylene film with seams overlapping at least 8 inches
or more. Cover the surface of concrete in crawl spaces
with a vapor barrier. Vents should be located throughout
the foundation. They must provide good cross ventilation
and no dead air space. There must be minimum vent
openings equal to 1.5% of the square footage within the
crawl space. Example, 100 square feet of crawl space
must have at least 1.5 square feet of open vents. The
building must be correctly constructed, maintained and
undamaged with a correctly graded site that prevents