Veneer Plaster 09 26 13/NGC
Two-Coat System All are designed for trowel
Features/Benefits application. Veneer Plasters are
(Kal-Kote® BRAND) not suitable for conveyance or
Kal-Kote System may be used application by conventional
for plaster-embedded electric plastering machines.
radiant heating cable systems. Compared to conventional
Same application techniques as plasters, Veneer Plaster Systems
for conventional plaster. are more subject to beading
(ridging) and cracking at the
Greater crack resistance than joints under rapid drying condi-
one-coat systems. tions such as those caused by
Can be applied directly to low humidity, high temperature
concrete block. and/or high draft exposure.
All provide a base over which
Limitations paints or other finishes should
Not recommended for exterior be applied.
use or where subject to weath-
Do not use a polyethylene
ering, direct water contact or
vapor retarder unless structure
temperature exceeding 125˚F
is ventilated adequately during
(52˚C) for extended periods of
application of veneer plasters.
A bonding agent must be
Framing spacing is limited and
applied to monolithic
partition heights are reduced in
Description Features/Benefits concrete prior to application of
comparison with some standard
Veneer Plaster Systems consist of a The advantages of veneer plaster constructions.
4' wide gypsum plastering base over other commonly used partition Do not sand finished plaster.
Provides less rigidity than simi-
with a special, highly absorptive and ceiling systems include: lar standard plaster
paper surface that is covered with Rapid installation which reduces systems. PRODUCT SHELF LIFE
thinly troweled, special purpose overall construction time. Storage/
When Uni-Kal/X-KALibur will be Product Shelf Life
plasters. Two basic types of veneer
Appearance and surface of applied, do not install Kal-Kore
plaster are available: Uni-Kal and X-KALibur 12 months
conventional plaster at lower too far in advance of plastering
X-KALibur, which are one-coat Kal-Kore Basecoat 12 months
cost than regular plastering. since Uni-Kal/X-KALibur bond
plaster system products; and Kal- Uni-Kal 12 months
can be adversely affected if face
Kote, a two-coat plaster system. High resistance to cracking, Kal-Kote Smooth 12 months
of Kal-Kore has become faded
The gypsum plaster base, Kal-Kore, nail-popping, impact and Kal-Kote Texture 12 months
from light. If Kal-Kore has been
is erected in the same manner for abrasion failure. faded, apply Kal-Kote Base
both systems. Both veneer plaster
Mill-mixed plaster components Plaster or a plaster bonding
systems can be specified for virtually
help assure uniform installation agent to obtain good bond.
all types of partition and ceiling
performance and finished job
constructions including wood or
steel framing or furring and masonry.
For both residential and commercial One-Coat System
buildings, either type of veneer Features/Benefits
plaster system produces a wall more (Uni-Kal®/X-KALibur® BRAND)
nail-pop resistant than drywall Requires only one plastering
and, when properly installed, more material on the job.
crack resistant than conventional
Slightly lower in-place cost than
lath and plaster.
Can be applied directly to
X-KALibur is formulated to have
extended set characteristics beyond
traditional Uni-Kal setting times.
Veneer Plaster System Components
Size Thickness Edge Pcs./Bdl.
4'x8' 3/8" (9.5 mm) Tapered 2
(1219 mm x 2438 mm)
4'x8', 12' 1/2" (12.7 mm) Tapered 2
(1219 mm x 2438 mm, 3657 mm) 1/2" (12.7 mm)
4'x8', 12' 5/8" (15.9 mm) Tapered 2
(1219 mm x 2438 mm, 3657 mm) FSK
4'x8', 12' 5/8" (15.9 mm) Tapered 2
(1219 mm x 2438 mm, 3657 mm) FSK
4'x8', 12' 5/8" (15.9 mm) Tapered 2
(1219 mm x 2438 mm, 3657 mm) FSK
FASTENERS FOR ATTACHING KAL-KORE
Framing Kal-Kore Fastener Fastener Spacing
Screw 1/2" (12.7 mm) Type S Screws 12" o.c. Max.
Studs & 1" (25.4 mm) for single layer (305 mm)
Furring 5/8" (15.9 mm) 1-5/8" (41.3 mm) for two-ply
Kal-Kore® BRAND when used in tested systems as
3/8" (9.5 mm) 1-1/4" (31.8 mm) annular Ceiling 7" o.c.
well as greater resistance to surface or 4d box nails** (178 mm) Max.
Kal-Kore is a tapered edge gypsum indentation. Long edges of the Wood 1/2" (12.7 mm) 1-1/4" (31.8 mm) annular Sidewall 8" o.c.
wallboard plastering base having a panels are tapered to allow joints Framing or 5d box nails** (203 mm) Max.
blue absorptive face paper surface 5/8" (15.9 mm) 1-3/8" (34.9 mm) annular
to be reinforced and concealed or 6d box nails**
designed to permit rapid trowel with Kal-Mesh Tape and Uni-Kal
application and strong bond of Plaster. ** Alternate: On walls, 1-1/4" (31.8 mm) Type W screws are spaced 12" (305 mm) when
Kal-Kote, Uni-Kal and X-KALibur framing is 24" o.c. (610 mm), 16" (406 mm) when framing is 16" o.c. (406 mm).
plasters. Also available foil backed Gold Bond® BRAND SPACING OF FRAMING OR FURRING
or Fire-Shield (Type X). Kal-Kore is Hi-Impact® XP®
manufactured to conform to ASTM Type of Maximum
5/8" Kal-Kore Framing or Kal-Kore Spacing
Specification C 588/C 1396 and
Fire-Shield Type X Furring Thickness on center
Wood 3/8" (9.5 mm) 16" (406 mm)*
Hi-Impact BRAND Kal-Kore Fire-Shield 1/2" (12.7 mm) 24" (610 mm)**
Gold Bond® BRAND Type X plaster base is a tapered 5/8" (15.9 mm) 24" (610 mm)
Hi-Abuse® XP® edge panel consisting of a fire Metal*** 3/8" (9.5 mm) N.A.
1/2" (12.7 mm) 16" (406 mm)
Kal-Kore Plaster Base resistive Type X gypsum core
5/8" (15.9 mm) 24" (610 mm)
encased in a blue absorptive face
Hi-Abuse BRAND Kal-Kore Fire- N.A.–Not Approved.
paper designed to permit rapid
Shield Type X Plaster Base panels * Bound edge of Kal-Kore must be at right angles to framing for ceiling or walls.
trowel application and strong bond ** Bound edge of Kal-Kore must be at right angles to joists. 16" (406 mm) maximum
consist of a fire resistive type X
of Kal-Kote, Uni-Kal and X-KALibur spacing for bound edge of Kal-Kore parallel to joists.
gypsum core encased in a heavy, ***On ceilings, screw furring channel [7/8" (22.2 mm) depth] shall span 48" (1219 mm)
plasters and strong liner paper on the
blue absorptive face paper designed maximum. Resilient furring channel [1/2" (12.7 mm) depth] shall span 24" (610 mm)
back side. Lexan film is bonded to the maximum. For greater spans, 1-5/8" (41.3 mm) Screw Studs may be used as Ceiling
to permit rapid trowel application
back side of the panel to provide Furring Channels provided they are secured with flanges up (open side up) at
and strong bond of Uni-Kal Veneer spans not to exceed: 6' (1829 mm) at 12" o.c. (305 mm) spacing, 5'6" (1676 mm)
additional impact/ penetration at 16" o.c. (406 mm) spacing and 5' (1524 mm) at 24" o.c. (610 mm) spacing.
Plaster and strong liner paper on
resistance. Kal-Kore Fire-Shield Type
the back side. Hi-Abuse XP Kal-Kore
X Hi-Impact XP is manufactured to
Fire-Shield Type X Plaster Base
conform to ASTM specification C
features a specially formulated core
588/C 1396 and Federal Specification
to provide fire resistance ratings
SS-L-30D Type VI Grade X
Kal-Kote® Kal-Kote® Uni-Kal®/X-Kalibur®
Base Plaster Smooth Finish Uni-Kal and X-KALibur are single
Kal-Kote Base Plaster is a specially Kal-Kote Smooth Finish is designed component veneer plasters for
designed high strength basecoat to provide a white smooth trowel application over Gold Bond tapered
plaster for application 1/16" finish using conventional plastering edge 1/2" Regular or 5/8" Fire-Shield
minimum thickness over Kal-Kore, techniques. Apply not exceeding Kal-Kore, 5/8" Hi-Abuse Kal-Kore,
masonry or monolithic concrete 1/16" over Kal-Kote Base. 5/8" Kal-Kore Hi-Impact or as a
that has been treated with a finish coat over Kal-Kote base.
Requires the addition of water
bonding agent. When applied in a thin coat 3/32"
only. It may also be used as a finish
thick and troweled to a smooth
Strength of Kal-Kote Base is sub- for conventional basecoat plasters.
finish, they provide a durable,
stantially greater than that exhibited Small amounts of commercial
abrasion-resistant surface for further
by typical sanded basecoat plaster. retarder may be cautiously used to
decoration. X-KALibur has a longer
Fire Resistance slow the setting time when used
extended working time. Uni-Kal
over conventional basecoat plasters.
Fire ratings equivalent to those of and X-KALibur may be worked to a
drywall systems can be obtained by Bag Weight variety of textured finishes.
applying the corresponding Kal- 50 lbs. (22.7 kg) Uni-Kal and X-KALibur applied not
Kore type and thickness over the Coverage (est.)* exceeding 1/16" may be used as a
same framing member size and finish coat over a 3/32" coat of
spacing, with the same fasteners. 1/16" coat troweled on Kal-Kote
Kal-Kote Base Plaster for a total
The total plaster thickness should Base Plaster, 650-700 sq. yds. per
minimum thickness of 1/8".
be a minimum of 1/8".The minimum ton (145-160 sq. ft. per bag).
Strength of Uni-Kal and X-KALibur
1/8" thickness is achieved by
applying a finish not exceeding
Kal-Kote® provides a surface resistant to
1/16" over 3/32" of Kal-Kote Base Texture Finish abrasion, cracking and nail-pops.
Plaster. Kal-Kote Texture Finish is designed Fire Resistance
Specification Reference to provide a variety of decorative Fire ratings equivalent to those of
surfaces using common plastering drywall systems can be obtained by
ASTM Designation C 587. techniques. Applied as a 1/16" applying the corresponding Kal-Kore
Bag Weight finish coat over Kal-Kote Base. It type and thickness over the same
requires the addition of water only. framing member size and spacing
80 lbs. (36.3 kg)
Bag Weight with the same fasteners and 3/32"
of Uni-Kal or X-KALibur.
50 lbs. (22.7 kg)
1/16" on Kal-Kore Base, 425-475
sq. yds. per ton (150-170 sq. ft. per Coverage (est.)*
bag). One coat to level over ASTM Designation C 587.
1/16" coat troweled on Kal-Kote
masonry, 225-275 sq. yds. per ton Base Plaster, 650-700 sq. yds. per Bag Weight
(80-100 sq. ft. per bag). ton (145-160 sq. ft. per bag). 50 lbs. (22.7 kg)
3/32" on Kal-Kore Base, 600-665
sq. yds. per ton (135-150 sq. ft. per
bag). One coat to level over
masonry, 300-350 sq. yds. per ton
(70-80 sq. ft. per bag).
*Coverage estimates over conventional
plasters are approximately the same as
over Kal-Kore Base Board for conventional
Veneer Plaster Accessories*
Used in Both One-Coat and Two-Coat Systems
KAL-KORNER BEAD E-Z STRIP® CONTROL JOINT
Formed of galvanized steel to protect Designed for drywall or veneer
exterior corners with veneer plas- plaster systems. A vinyl extrusion
tering. Flange length 1-1/4". used as an expansion or control
joint for ceilings or partitions.
EXPANDED VENEER KAL-MESH TAPE
CORNERBEAD A coated non-adhesive fiberglass
Used as an alternate to the Kal- tape which is stapled to Kal-Kore
Korner Bead for exterior corners. to reinforce all joints and interior
Has 1-1/4" flanges. angles.
ARCH CORNERBEAD 1-1/2" DRYWALL FURRING
Can be used straight for exterior CHANNEL CLIP
corners or flanges, or may be Attaches screw furring channel to
snipped and bent to form arches. 1-1/2" cold rolled steel channel.
VENEER J TRIM CASING BEAD .093 ZINC CONTROL JOINT
Used as a finished edge at door Designed as an expansion or con-
and window jambs by slipping trol joint for ceiling and partition
over edge of plaster base. areas for both drywall or veneer
VENEER L TRIM CASING BEAD
Used as a finished edge at door
and window jambs.
* Metal products are not manufactured by National Gypsum Company.
Veneer Plaster concrete stub nails or appropriate frames, and other openings, unless Three acceptable methods of
for Metal fasteners through channel flanges control joints are created using E-Z treating Kal-Kore joints are:
and Wood Framing into the masonry or concrete. Strip Control Joints. Drywall Paper Tape
Fasteners shall be spaced on 4. Fasten Kal-Kore to framing Treatment Method
1. Wood Studs or Joists. Wood alternate flanges not over 24" o.c.
members shall meet the minimum members with face out, using the 1. Trowel Kal-Kote Base Plaster,
Apply Kal-Kore vertically or proper type and spacing of fasten-
requirements of local building codes. horizontally in maximum lengths Uni-Kal or X-KALibur over joint line
Framing shall not exceed spacing ers shown under types of fasteners. filling the channel formed by the
to minimize end joints.
shown on page 14. Most partition 5. Draw Kal-Kore tight to framing. tapered edges of the Kal-Kore board
4. Furred Ceilings with Bar Joists. Drive fasteners straight and dimple in an even fashion.
fire ratings require that Kal-Kore be
applied vertically.When such ratings Attach regular furring channel 16" o.c. the surface without breaking the
to bar joists spaced up to 4' o.c. 2. Center drywall paper tape over
are not required, horizontal applica- paper face. the joint line and embed the tape
tion may be used to minimize joints. Resilient Furring Channel (wire-tied
only) shall span a maximum of 24". Kal-Korner Bead Application into the soft plaster using a trowel
For ceilings, application at right and level the joint. Tape the full
angles to framing is preferred. Wire tie Furring Channel to joists or Install Kal-Korner Bead using appro-
use 1-1/2" Drywall Furring Channel priate fasteners spaced 12" apart. length of the joint.
2. Metal Studs. Align floor and Clip for 1-1/2" carrying channel.Apply 3. Allow the treated joints to set
ceiling tracks to assure plumb parti- E-Z Strip Control Joint
Kal-Kore with paper bound edges at prior to general plaster application.
tion. Secure track with appropriate Application
right angles to the furring channel.
fasteners at a maximum of 24" o.c. Install E-Z Strip Control Joint at 30' Sta-Smooth Paper Tape
Position studs in track on specified Kal-Kore Application max. spacing on walls and 50' max. Treatment Method
centers by rotating into place for a Note: Application shall conform to spacing in either direction on ceilings. 1. Mix Sta-Smooth Compound per
friction fit. Secure studs located adja- ASTM C 844. Apply the control joint with staples instructions on package. Do not
cent to door and window frames, spaced 6" along each side of the contaminate the compound with
partition intersections and corners by 1. Cut and position Kal-Kore accu- flanges. other materials, dirty water or pre-
self-drilling sheet metal screws rately. Bring all joint edges together vious mixes. Do not retemper.
but do not force into place. Position Treatment of Kal-Kore Joints
through both flanges of studs and 2. Apply the Sta-Smooth
tracks or by use of screw stud clinch- all end joints over framing members. Pre-treat all joints and fasteners in
To avoid ridging, minimize gaps Kal-Kote and Uni-Kal Plaster Systems Compound to the joint by hand or
ing tool. Apply Kal-Kore vertically for machine tool. The drywall paper
most fire ratings. When ratings are between adjacent panels. with Kal-Kote Base Plaster, Uni-Kal,
X-KALibur or Sta-Smooth Joint tape must be centered over the
not required, horizontal application 2. Minimize the number of end joint line and embedded into the
may be used to minimize joints. joints by using maximum practical Compound.
soft compound. Do not over-trowel
3. Masonry Wall Furring with lengths with proper positioning. Low humidity, high temperatures to a slick surface. Leave the surface
Screw Furring Channel. Attach 3. Stagger joints so that they occur and rapidly circulating air can rough to provide mechanical key-
furring channel vertically spaced on different framing members and cause cracking of plaster and joint ing of the plaster.
not to exceed spacing shown on will not be directly opposite one beading when Kal-Kore is applied
to metal framing. To minimize this 3. Allow the treated joints to set
page 14. Fasten each channel with another on partitions. Avoid joining and dry prior to general plastering.
Kal-Kore at corners of doors, window during these conditions, joints may
be pre-treated using paper tape.
Uni-Kal or X-KALibur Finish Kal-Kote Smooth Finish Kal-Kote Texture Finish
Kal-Kote Base Kal-Kote Base
Kal-Kore Board Kal-Kore Board Kal-Kore Board
Kal-Mesh Treatment Method
Do not use self-adhering mesh.
1. Center and secure Kal-Mesh
over all joints and interior angles
with 1/4" or 5/16" staples.
2. Position staples a maximum of
24" apart as follows:
A. Joints: at alternate edges for
the run from end to end and
directly opposite one another at
B. Angles: along ceiling edge
only for wall-to-ceiling angles.
Along one edge for wall-to-wall
3. After the first staples are placed
at the end of a joint or angle, pull
unstapled Kal-Mesh as stapling
proceeds to assure that it will lie
flat against the Kal-Kore.
4. Pre-treat all joints and Kal-Beads
with Kal-Kote, Uni-Kal or X-KALibur
Plaster. Tightly trowel over joint line
in both directions to prevent voids,
feathering to a maximum width of during and after installations. 2. Add plaster and allow to soak directly, or in previously prepared
about 6". During cold weather, maintain a for about 1 minute or add plaster water solution form to obtain the
temperature 55˚F (13˚C) to 70˚F as mixer is turning, then mix until most uniform effect.
5. Allow the treated joints to set (21˚C) before, during and after uniformly wetted.
prior to general plaster application. 2. Never use gauging or moulding
installation of all system components 3. Add remaining water and mix plasters in place of commercial
until building is occupied.
Plastering sufficiently to obtain desired lump- accelerator since they can adversely
Mixing free material fluidity. affect working qualities.
Note: Application shall conform to
ASTM C 843. Equipment: Mixing should be Note:
done with a high-speed mechanical A. Mixing periods greater than 5
The same general job conditions
mixer. A paddle-type agitator fitted minutes will not be required if
used in good conventional plastering Basecoat Over Kal-Kore
to a 500-600 RPM heavy duty, proper equipment and procedure
practice should be maintained.
1/2" electric drill and a clean, are used. 1. Tightly scratch material into
However, because Veneer Plaster
smooth-sided drum of convenient B. Mix no more than two bags per previously treated joints and corner-
coats are thin, particular action
size are recommended for rapid, batch to avoid mixing too far in beads, then immediately scratch-in
must be taken to guard against
efficient mixing of all Kal-Kote advance of application. tightly over the wall and/or ceiling
dryouts (primarily avoiding direct
Plaster types. area.
exposure to concentrated sources C. Caution is advised against mixing
of heat and drafts.) Water Ratios: Use only clean, more than two successive batches 2. Double back over the area just
fresh water suitable for human without thorough equipment clean- troweled with material from the
Special attention should also be
consumption. Basecoat: 10-12 qts. up to avoid undue set acceleration. same batch bringing total thickness
given to temperature conditions
per 80 lb. bag. Smooth Finish: 18-20 up to 1/16" minimum.
under which the system is installed. D. Avoid the practice of mixing
qts. per 50 lb. bag. Texture Finish:
Both “in-place” and application partial bags since this leads to 3. When plaster has “taken up,”
11-12 qts. per 50 lb. bag. Uni-Kal
performance of individual Veneer difficulty in maintaining uniform eliminate excessive trowel marks
and X-KALibur: 13-15 qts. per
System components will be greatly material qualities. and fill all surface voids and imper-
50 lb. bag.
enhanced if all construction areas fections to obtain a reasonably
Procedure Job Setting Adjustment
and materials are at a suitable uniform surface. Do not over-trowel
temperature equilibrium before, 1. Put all but 1 to 2 qts. of the 1. Basecoat and Finish Plasters: to a slick surface. Roughen the
proper water volume in a suitable Small amounts of commercial unset basecoat plaster surface with
mixing drum. retarder or commercial gypsum a serrated darby or lightly wire rake
type accelerator may be cautiously to provide mechanical keying for
Note: Starting with an insufficient used to adjust setting time when the finish plaster when necessary.
amount of mixing water will seriously extreme conditions demand. When
degrade mixing and application commercial retarder or accelerator
performance. is used, add to mixing water
Smooth Finish Over Basecoat 2. Double back over the area just Veneer Plasters Direct 3. When plaster has “taken up”,
1. Apply only over properly prepared troweled with material from the to Bond-Coated eliminate excessive trowel marks
Kal-Kote basecoat plaster. Scratch-in same batch bringing total thickness Monolithic Concrete and fill all surface voids and imper-
tightly, then double back with up to 3/32" minimum. fections to obtain a reasonably
Description uniform surface. Do not trowel to a
material from the same batch 3. Begin finish troweling at time
immediately to create a uniform of initial set, using water sparingly. The Kal-Kote System, consisting of slick surface. Roughen the unset
coat not exceeding 1/16" in average Final troweling must be accom- a basecoat plaster and a finish basecoat plaster surface with a
thickness. plished before complete set takes coat plaster, Uni-Kal or X-KALibur serrated darby or lightly wire rake
place, as evidenced by darkening may be applied directly to mono- to provide mechanical keying for
2. Remove trowel marks, “cat faces,” the finish plaster when necessary.
of the surface. lithic concrete treated with a bond-
and other major surface imperfec-
ing agent. Smooth or Textured Finishes
tions by “drawing-up” or “laying Note: Uni-Kal or X-KALibur may
down” the surface with light trowel be applied to produce a textured Limitations Apply finishes to the Kal-Kote
pressure when plaster has stiffened. finish. 1. Surface to be plastered shall be Plaster as outlined under the regular
Use water sparingly if needed, but A. When Uni-Kal or X-KALibur is treated with a bonding agent Kal-Kote System as described on
do not over-trowel or over-water mixed, add up to but not exceed- applied according to manufacturer’s page 18.
because this aggravates any normal ing 50 lbs. of silica sand, texturing directions. The performance of this
tendency for blistering when working grade, per 50 lb. bag of plaster. system is the sole responsibility of Uni-Kal or X-KALibur
over low suction bases. Such the bonding agent manufacturer. Application over
B. The sanded Uni-Kal or X-KALibur Bonding Agent
blistering will be eliminated by the mix should be scratched-in tightly 2. Concrete should be aged at
final water-troweling operations. over the plastering base. Immediately least one month prior to plastering. 1. First straighten any major surface
3. Water-trowel to densify and polish double back over the area just irregularities such as holes, ridges,
3. Kal-Kote Smooth or Texture
the surface to the desired degree troweled with material from the wavy sections, etc. Scratch plaster
Finishes are not designed for direct
when plaster has set, eliminating same batch. in tightly by trowel and fill out to
application to concrete, but must
any blistering if present. Never use any adjacent level area.
C. When plaster is well taken up, first have Kal-Kote Base Plaster
a felt “blister brush” as a substitute float to the desired texture finish. applied to fill and level surface. 2. Allow the straightening material
for water troweling! to set.
Painting Plaster 4. Do not apply system to the
4. Uni-Kal and X-KALibur Plaster interior side of exterior walls below 3. Tightly scratch material in over
may be substituted for Kal-Kote Various job conditions such as grade. To use above grade these the wall and/or ceiling area. This
Smooth Finish. suction differences, wet or only walls shall be kept dry and shall application should be about 1/16"
partially dry walls, and reactions have been properly waterproofed thick. Double back over the area
Texture Finish Over Basecoat between paint and lime may on the exterior side to prevent just troweled with material from
1. Apply per (1) under Smooth cause unsatisfactory paint finishes the same batch bringing total
Finish. particularly on new construction. thickness up to 3/32" minimum.
2. When plaster has stiffened, float Alkali-resistant primers specifically 4. Begin finish troweling at time of
its surface to any desired finish. formulated for use over new plas- Note: Application shall conform to
initial set, using water sparingly.
ter will permit decorating with oil ASTM C 843.
Do not float the soft surface Final troweling must be accom-
of plaster which has already set. or latex type paints. Quality paint plished before complete set takes
products should be used and Kal-Kote Base
Up to equal parts of clean, graded Application Over place, as evidenced by
manufacturers’ recommendations darkening of the surface.
silica sand may be added to Uni- followed. Finished plaster should Bonding Agent
Kal and X-KALibur to aid texturing. be painted or covered to conceal Veneer Plasters Direct
1. First straighten any major sur-
Uni-Kal or X-KALibur possible discoloration. The paint face irregularities, such as holes, to Unit Masonry
system should be suitable for ridges, wavy sections, etc. Scratch
Application use over plaster surfaces that plaster in tightly by trowel and fill
over Kal-Kore contain lime. out to any adjacent level area. The Kal-Kote System, consisting of
1. Tightly scratch material into a basecoat plaster and a finish
It is essential that plaster be sound 2. After the straightening material
previously treated joints and corner- coat plaster, Uni-Kal or X-KALibur,
and completely dry before painting. has set, trowel in a tight scratch
beads, then immediately scratch-in and the one-coat system, may be
Under good drying conditions, coat over the entire area to be
tightly over the wall and/or ceiling applied direct to masonry surfaces
veneer plaster may be painted 48 plastered; then immediately double
area. providing the following recommen-
hours after application. back with material from the same dations are followed.
batch to minimum thickness of
1/16" or as required to achieve a
level surface. Use a rod or feather
edge if needed.
Recommendations Veneer Systems Application Procedures 2. Apply Kal-Kore to the flanges of
1. Surface must be free from dirt, Applied to Masonry 1. Begin application of Z Furring Z Channel with 1" Type S screws
grease, oil, mold, parting agents, or with Z Furring members by positioning first channel spaced 12" o.c. Normally, vertical
application of Kal-Kore is recom-
any material which will prevent Channel System vertically at a corner, locating it on
mended; however, for installations
plaster adhesion. the wall adjacent to the wall being
Description 8' or less in height, horizontal
2. When erecting masonry, strike insulated first.
This system consists of a Z Furring application may be preferred since
joints flush. If masonry has The insulation thickness determines the number of joints would be
Channel, rigid insulation and the
recessed joints, fill joints flush to the distance of Z Furring web from reduced.
components of the Kal-Kote and
masonry surface with basecoat wall being insulated. At the appro-
Uni-Kal or X-KALibur Veneer 3. Apply Kal-Mesh and Kal-Korner
plaster, Uni-Kal or X-KALibur and priate distance, with wide flange
Plaster Systems. The Z Furring Bead according to procedures
allow to set. pointing toward applicator, secure Z
Channel is manufactured from described on pages 16 and 17.
Exterior Corners Channel with appropriate fasteners,
galvanized steel (.0179" min. base
spaced 24" o.c. driven through 4. Mix and trowel on Kal-Kote
Install cornerbead with adhesive at steel) and is produced with web
short flange. (Note: Power-driven Base and Finish Plaster or Uni-Kal
least 4 and preferably 16 hours depths of 1", 1-1/2" and 2". The
fasteners are not recommended for Plaster as described on pages 18
before plastering.Apply a continuous furring channel which is applied to
use with masonry block.) and 19.
bead of adhesive approximately 1/4" a masonry wall holds the insulation
x 1/4" along the inside of both in place and the wide flange serves Install 24" wide floor-to-ceiling
cornerbead flanges. Press the bead as framing for the application of insulation panel, pressed snugly
firmly over the corner so that the Kal-Kore plastering base. against web of first Z. Install next Z
adhesive is in continuous contact with the wide flange overlapping
with masonry surface. Align bead the edge of the first insulation
1. Since the interior wall surface panel. Fasten Z to wall through
and allow to stand undisturbed
will take the general configuration narrow flange. Continue in this
at least 4 hours.
of the masonry wall, it may be nec- manner with Z Furring member
Kal-Kote Application essary when applying the system 24" o.c. to end of wall. Locate last
Note: Application shall conform to to unit masonry to use portland Z so that web is located a distance
ASTM C 843. cement plaster to bring the wall to equal to insulation thickness from
a plane surface. adjoining wall. Cut last insulation
Proceed with the full field of the wall
2. This system is mainly for new panel to fit remaining space.
by scratching-in tightly, then double
back immediately with material from masonry construction. On well-cured At exterior corner, attach the Z
the same batch to a minimum thick- concrete or masonry, it may be through its wide flange with narrow
ness of 1/16" over the block surface, difficult to properly drive fasteners. flange extending beyond the corner.
or as required to level. 3. Power-driven fasteners shall Begin with a narrow strip of floor-
be used only for attachment to to-ceiling insulation, wider than
Kal-Kote Finishes should be kept as
monolithic concrete surfaces. insulation thickness, but not
thin as possible and applied as
exceeding 3". Continue application
described on pages 18 and 19. 4. Kal-Kore should be applied within of furring and insulation progres-
Uni-Kal or X-KALibur 24 hours of foam application. sively as described above.
At windows, doors and trim areas,
Caution: Since Uni-Kal or X-KALibur use wood nailers, nominal 2" wide
is a one-coat material system, x insulation thickness plus 1/32".
exercise care in leveling the wall to Use the nailers also at wall-floor
compensate for the uneven suction. angles to support trim and provide
Proceed with full field of the wall backing for base.
by scratching-in tightly, then double
back immediately with same batch
of material to a minimum thickness
of 3/32" over the block surface.