Multicoat MULTI-TEXR User Manual

The Patented; Durable, Fire Retardant,

Weather Resistant Exterior Stucco System.

DESCRIPTION AND USE

The MULTICOAT MULTI-TEX STUCCO SYSTEM
consists of a high build flexible acrylic

mulsion applied to a special non-combustible,

e
lightweight, autoclaved, cementitious smooth­primed fibercement siding. It forms a cost-effec­tive, durable weather-resistant exterior stucco
finished (primed) wall, installed on wood or steel
frame, residential or commercial structures.

ADVANTAGES

l

Replaces Shear Panel

l

Flexible

l

High Impact and Abrasion Resistance

l

Resists Moistur
of Fungus and Mildew

l

Resistant to Salt Spray
Most Chemicals

l

UV Resistant

l

Easy to Install

l

Multiple Finishes - Smooth - Medium - Coarse

l

Multiple Color Choice

l

Waterbase Stucco Emulsion ­Environmentally Safe

e Penetration and Formation

, Freeze/Thaw, and

SEE TEST DATA

PROPERLY ATTACH PRIMED FIBERCEMENT BOARD
TO STRUCTURE (LEAVE MIN. 1/8" GAP BETWEEN
PANELS)

CAULK ALL JOINTS WITH POLYURETHANE CAULK
(ALLOW TO CURE)

MULTI-TEX

®

STUCCO SYSTEM

SURFACE PREPARATION

Smooth primed fibercement siding must be
structurally sound, and surface must be free
from grease, oil, paint, dirt, dust, sealers,
laitence, and other foreign materials that may
PREVENT PROPER BONDING. Proper
expansion joints should be installed according
to applicable local building codes or structural
engineer
every 16 feet when wall has no openings.)

NOTE: A mositure barrier or house wrap may
be necessar
local building codes or str

. (Recommended: Approximately

y in some applications. Check

uctural engineer

.

APPLICATION

STEP 1: Install smooth primed fiber
siding on existing structure using galvanized
nails (wood) or self-tapping ceramic coated
screws (steel), 6” centers. All panel edges shall
be supported by framing, per manufacturer’s
instructions. Leave minimum 1/8” space
between panels (refer to diagrams). Caulk all
joints with polyurethane caulk. Allow caulk to
thoroughly cur
dampened sponge.

STEP 2: Tape all caulked joints with Multicoat
elastomeric 3” joint tape. Use 6” tape on all
corners (refer to diagrams).

STEP 3: Apply a skim coat of smooth stucco
over all joints and cor
apply Multicoat STUCCO MIX dir
board with trowel or sprayer, and finish to
desired texture.

U.S. Patent No. 5,732,520/6,516,580

e.Clean wall boar

ners, allow to dr

cement

d with water

. Then

y

ectly to wall

APPLY MULTICOAT ELASTOMERIC JOINT TAPE TO
CORNERS AND JOINTS

Y SMOOTH TO CORNERS AND JOINTS. THEN

APPL
APPLY STUCCO MIX TO DESIRED TEXTURE

NOTE: Smooth texture requires a minimum
two coats, troweled finish. See COVERAGE.
(Additional coat(s) may be necessary to
properly hide joints.)

COVERA

Stucco Textures - Each 5-gallon pail of
STUCCO MIX will cover approximately
80-125 sq. ft., depending on textur

Smooth Texture - Each 5-gallon pail of
STUCCO MIX will cover approximately 150­175 sq. ft., two coats.

(All coverages may var
application methods.)

GE

e.

y depending on

APPLICATION LIMITATIONS

o not apply if wall board surface temperature is below 50°F, or

D

ver 100°F. Do not apply if ambient temperature is less than 50°F

o
and falling, over 100°F and rising, or if precipitation or extreme
high humidity is expected within a 12-hour period.

PACKAGING AND STORAGE

SMOOTH PRIMED FIBERCEMENT SIDING

2 ft. Lengths

1
STANDARD THICKNESS - 5/16” – Special Order 7/16”

MULTICOAT STUCCO MIX - 5-Gal. Pails

S

TUD 2' X 4'

B

OTTOM PLATE

2' X 4'

FLOORING

FLOOR JOIST

2

' X 6'

S

TUD 2' X 4'

S

TUD 2' X 4'

B

OTTOM PLATE

2

' X 4'

FLOORING

F

LOOR JOIST 2' X 6'

TE 2' X 4'

TOP PLA

Thicknesses: 1/4", 5/16" & 7/16"
Installed Weight:

1/4" thick 1.9 lbs/sq.ft.
5/16" thick 2.4 lbs/sq.ft.
7/16" thick 3.3 lbs/sq.ft.

Density: 86 lbs/cu.ft.
Bending Strength:

Transversal: 2,000 psi
Longitudinal: 2,500 psi

P

RIMED FIBERCEMENT PANEL
ADHESIVE
FOAM OR MIX PANEL

A

TTACHED OR GLUED
TO TOP SHEET ONLY

1/8" GAP

3

/8" CLEAR
HORIZONTAL

E

XPANSION
J

OINT REVEAL

T

OP PLATE 2' X 4'

P

RIMED FIBERCEMENT PANEL
NAILED TO TOP
PLATE, FLOATING
ON JOIST AND FLOOR

PRIMED FIBERCEMENT P
SMOOTH

1

.8" GAP

3

/8" CLEAR

AL

HORIZONT
EXPANSION
JOINT REVEAL

PRIMED FIBERCEMENT
P

ANEL

N

AILED TO

T

OP PLATE,

F

TING

LOA
ON JOIST
A

ND FLOOR

- 4’ wide x 8, 9, 10 or

Tape and joining system

y coating applicator

b

traight Joint Detail

S

xternal Corner Detail

ANEL

Tape and joining system
by coating applicator

Multicoat Stucco Mix

Primed Fibercement Panel

E

Sealant

Internal Corner Detail

TEST DATA –CEMENTITIOUS WALL BOARD

ICC/ES Report #5139 SBCCI Report #9556

MULTICOAT ELASTOMERIC JOINT TAPE - 3” & 6” widths 100 ft. rolls
POLYURETHANE CAULK - Tubes
Store at 40 –90°F. Shelf life is approximately 24 months in
unopened pails.

WARRANTY

Materials are guaranteed with respect to uniformity and quality
within manufacturers’ specifications. Seller makes no other

arranty, expressed or implied, regarding the use of its products.

w
Since use of the products is beyond seller’s control, the buyer

ssumes all risks of use. Seller’s sole obligation shall be to replace

a
material if found to be defective. Seller shall not be liable for any

oss, direct or consequential, resulting from use of its products.

l

Outside Corner (Optional)

Straight Joint

P

rimed Fibercement Panel

Multicoat Stucco
Mix over Primed

Fibercement Panel

P

rimed Fibercement Panel

R

einforcing tape

M

ulticoat

Stucco Mix

Thermal Resistance: R=0.17
Shrinking: Ambient to oven-dry: 0.06%
Swelling of Thickness

(after 7 days of full saturation): 0.2%

Flame Spread: 0
Smoke Density: 0
Wind Pressures:

alues:

V

Shear

1/8" gap

External Corner

Primed Fibercement Panel

3/16" gap

Internal Corner

Primed Fibercement Panel

e

dges

ner (Optional)

Outside Cor

cement Panel

Primed Fiber

oundation

F

eep Screed 3/8"

W

F

inish

P

rimed

xternal

E
Corner
Bead

Primed

Fibercement

External
Bullnose
Corner Bead

F

ibercement

P

2'

P

anel

anel

TEST DATA –STUCCO MIX

TEST TYPE TEST METHOD RESULTS

2000 Hour Weatherometer . . . . . . .ASTM G-23 No marked evidence of surface cracking, blistering, flaking, chalking,

crazing or any other deleterious ef

fects obser

Moisture Resistance . . . . . . . . . . . .ASTM D2247 No blistering or cracking of surface

Freeze-Thaw . . . . . . . . . . . . . . . . . .Section VI D of acceptance No change in color, no cracks, no crazing, no delamination

criteria for EIFS

Abrasion Test (Falling Sand) . . . . . .ASTM DE968 Method A Initial wear started at 3200 liters

Fungus . . . . . . . . . . . . . . . . . . . . . .Mil-Std-810B (Method 508) Passed

Moisture Vapor Transmission . . . . .ASTM E96 4.56 Perms, the coating is not a vapor barrier

MC0406

MULTICOAT®CORPORATION

West Coast

Toll Free: [phone]
[phone] F

ax [phone]
Website: www.multicoat.com
E-mail: info@m

ulticoat.com

The Coating of the Future…Today

MULTICOAT®PRODUCTS, INC.

East Coast

Toll Free: [phone]
[phone] F
Website: www.multicoat.com

o@m

inf

E-mail:

ax [phone]

ulticoat.com

ved

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