Technical Specifications
440 SoundBarrier
440 SoundBarrier
F-B. Homasote installations for use with
Carpet and Pad – Method 2
Homasote installed to wood sub-floor.
T
ack strip applied directly to Homasote.
1) Follow 2,3,4,5 of "A. Homasote installations for use with Carpet and Pad
–Method 1."
2) After a minimum of 48 hours for adhesive to set, install tack strips
directly to Homasote panel using annular threaded nails or screws
sufficient in length to penetrate through the Homasote and 1/2" into
wood sub-floor.
3) Install carpet as per carpet manufacturer’s installation instructions.
Note: Contact your local flooring retailer for more information on
"tack-strip nail extensions" for application of tack strips.
F-C. Homasote installations for use with glue-
down applications such as: Vinyl, Linoleum,
Glue-down Wood Strip Flooring, Wood Parquet,
and Glue-down Carpet
Homasote installed to wood sub-floor
1) Follow 2,3,4,5 of "A. Homasote installations for use with Carpet and Pad –
Method 1."
2) After a minimum of 48 hours, apply 1/4" or greater thickness
APA-approved plywood of suitable underlayment grade over
Homasote panel, staggering the joints.
3) Attach plywood over Homasote panel, assuring that plywood joints
do not coincide with the Homasote joints. Follow the plywood manufac-
turer’
s recommended method and pattern of attachment, making sure
that mechanical fasteners are of sufficient length to penetrate through
Homasote panel and into wood sub-floor a minimum of 1/2".
4)
After a minimum of 48 hours, install finish floor covering in strict
accordance with manufacturer’s instructions.
NOTE: Do not adhere finished floor directly to the Homasote panels.
F-D. Homasote installations for use with Tile
Flooring
Homasote installed to wood sub-floor
.
Tile NOT directly adhered to the Homasote panels.
1) Follow 2,3,4,5 of "A. Homasote installations for use with Carpet and Pad –
Method 1."
2) After a minimum of 48 hours, install cementitious backer board (or
plywood or approved substrate) over Homasote panels. Install cement
board in strict accordance of manufacturer’
s installation instructions. If
plywood is used as underlayment, refer to "C. Homasote installations of
glue-down applications" for applying plywood over Homasote panels.
3) Cementitous board must be installed following manufacturer’s
recommended method and pattern of attachment. Fasteners must be
of sufficient length to penetrate through Homasote panels and into
wood sub-floor a minimum of 1/2".
4) Install tile flooring in strict accordance of tile manufacturer’s installation
instructions.
F-E. Homasote installations for use with Tile
Flooring
Homasote installed to wood sub-floor, with tile adhered directly to 440
SoundBarrier – TCA Report # TCA-053-02 (A). Obtain the above-mentioned
report from TCA or contact Homasote for a copy
.
1) Follow 2, 3, 4, and 5 of section A, “Homasote installations for use with
carpet and Pad-Method 1,” but
screw and glue with one screw per square
foot. Do not nail. Use 4’x4’ panels only. Allow 24 hours for sub-floor
adhesive to set.
2) Mix Mapei® KER 129: Grani/Rapid Fast-Setting Latex Hydraulic Mortar
with Mapei KER 318: Grani/Rapid SuperFlex Admixture according to
Mapei specifications.
3) Apply mixed Mapei mortar (as directed in #2 above) to the Homasote in
accordance with Mapei instructions for installation onto plywood sub-
floors and underlayments.
4) Use Bostik Hydroment® joint filler (sanded) with Multipurpose Acr
ylic
(Mortar Admixture and Grout Additive) for grout. T
ile and grout must be
installed as per manufacturer’s installation instructions.
SPECIAL NOTE: Use 4’x4’ panels only, screwed and glued to the wood
sub-floor
, with minimum 3/16” expansion joint on all sides.
F-F. Homasote installations for use with
Finished Floating Floors such as:
W
ood Floating Floor and Laminate Flooring
Homasote installed to wood sub-floor.
1) Follow 2,3,4,5 of "A. Homasote Installations for use with Carpet and Pad –
Method 1."
2) Install finished floating floor as per manufacturer’
s instructions.
F-G. Homasote installations for use with
Hardwood Flooring
Homasote installed to wood sub-floor.
1) Install Homasote panels to wood sub-floor. Use an APA-approved
adhesive with annular-threaded (ring shank) nails or screws to secure
Homasote panels to wood sub-floor. (Follow 2, 3, 4, & 5 of "A.
Homasote installations for use with Carpet and Pad – Method 1" and
"Glue-Nail/Screw Pattern Over Wood Sub-floor" as per Homasote’s
basic installation instructions over wood sub-floor).
2) Install hardwood flooring as per manufacturer’s installation
instructions. Attach hardwood flooring using 2" staples or cleats,
sufficient in length to toenail through Homasote panels and penetrate
sub-floor a minimum of 1/2". Follow the wood floor manufacturer’s
recommendations for nailing pattern.
3) In new construction, rosin paper or a minimum 15-pound felt paper
should be placed over the Homasote panels when recommended by
a hardwood flooring manufacturer.
Over Concrete Sub-Floor
Prior to installation of any flooring component, a concrete sub-floor
must be dr
y, clean, free of mildew and, unless suspended, integrally
waterproofed, i.e. sealed. Homasote 440 SoundBarrier® and
N.C.F.R® are not recommended in areas where moisture is present.
Using maximum 4’ x 4’ panels, install Homasote panels following
appropriate categor
y in "Over W
ood Sub-Floor
," (top of page 2)
based on finished flooring to be used, substituting concrete nails
or fasteners in place of annular threaded (ring shank) nails.
Over Concrete Sub-Floor
440 SoundBarrier
®
and N.C.F.R.
®
Homasote
®
Combined Installation Instructions
440 SoundBarrier
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