Product Guide Specification

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BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

1

BASF
Corporation


M
ay
20
10

889 Valley Park Drive

Shakopee, Minnesota 55379

Toll Free

800
-
433
-
9517

Website

www.BuildingSystems.BASF.com



Product Guide Specification



Specifier Notes: This product guide

specification is written according to the Construction Specifications
Institute (CSI) 3
-
Part Format
,

including
MasterFormat, SectionFormat,

and
PageFormat,

as described
in
The Project Resource Manual

CSI Manual of Practice
, Fifth Edition
.


Th
is

section mu
st be carefully reviewed and edited by the Architect
or Engineer

to meet the
requirements of the project and local building code. Coordinate this section with other specification
sections and the Drawings. Delete all “Specifier Notes”
after
editing this
section.


Section numbers

are from
MasterFormat
2010 Update.



SECTION
03 01 30.71


VERTICAL AND OVERHEAD

REPAIR MORTAR



Specifier Notes: This section covers

vertical and overhead

repair mortar

using

BASF
Corporation
ZERO
-
C


Vertical

Overhead
M
ortar
.
Consult

BASF
Corporation
for assistance in editing this section
for the specific application.



PART 1

GENERAL


1.1

SECTION INCLUDES


A
.

Vertical and overhead

repair mortar.


1.2

RELATED
REQUIREMENTS


Specifier Notes: Edit the

following list of related sections as required
. Delete related sections not
required.

List other sections with work directly related to this section.


A.

Section

03 30 00


Cast
-
in
-
Place Concrete.


1.3

REFERENCE

STANDARDS




BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

2

Specifier Notes: List
referen
ce
standards
mentioned
in this section, complete

with designations and
titles. This article does not require compliance with
reference
standards, but is merely a listing of those
used

in the section
.


A
.

AASHTO T 277


Standard Method of Test for Electric
al Indication of Concrete's Ability to
Resist Chloride Ion Penetration
.


B
.

ACI 308.1


Standard Specification for Curing Concrete.


C.

ACI 364.3R


Guide for Cementitious Repair Material Data Sheet.


D
.

ASTM C

109/C

109M



Standard Test Method for Compres
sive Strength of Hydraulic Cement
Mortars (Using 2
-
in. or [50
-
mm] Cube Specimens)
.


E
.

ASTM C

157/C

157M


Standard Test Method for Length Change of Hardened Hydraulic
-
Cement Mortar and Concrete.


F
.

ASTM C 185


Standard Test Method for Air Content of Hyd
raulic Cement Mortar
.


G
.

ASTM C 266


Standard Test Method for Time of Setting of Hydraulic
-
Cement Paste by
Gillmore Needles
.


H
.

ASTM C 309


Standard Specification for Liquid Membrane
-
Forming Compounds for Curing
Concrete
.


I
.

ASTM C 469


Standard Test

Method for Static Modulus of Elasticity and Poisson's Ratio of
Concrete in Compression
.


J
.

ASTM C 512


Standard Test Method for Creep of Concrete in Compression
.


K
.

ASTM C

666/C

666M



Standard Test Method for Resistance of Concrete to Rapid Freezing
a
nd Thawing
.


L
.

ASTM C

672/C

672M



Standard Test Method for Scaling Resistance of Concrete Surfaces
Exposed to Deicing Chemicals
.


M
.

ASTM C

882/C

882M



Standard Test Method for Bond Strength of Epoxy
-
Resin Systems Used
With Concrete By Slant Shear
.


N
.

ASTM C

928/C

928M



Standard Specification for Packaged, Dry, Rapid
-
Hardening
Cementitious Materials for Concrete Repairs
.


O
.

ASTM C 1202


Standard Test Method for Electrical Indication of Concrete's Ability to Resist
Chloride Ion Penetration
.


P
.

ASTM C

1315


Standard Specification for Liquid Membrane
-
Forming Compounds Having
Special Properties for Curing and Sealing Concrete
.




BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

3

Q
.

ASTM C

1581/C

1581M



Standard Test Method for Determining Age at Cracking and Induced
Tensile Stress Characteristics of Mor
tar and Concrete under Restrained Shrinkage
.


R
.

COE
CRD C 39


Test Method for Coefficient of Linear Thermal Expansion of Concrete.


S
.

COE
CRD C 164


Standard Test Method for Direct Tensile Strength of Cylindrical Concrete or
Mortar Specimens.


T.

ICRI
320.3


Guide for Product Data Sheet Protocol.


1.
4

SUBMITTALS


Specifier Notes: Edit submittal requirements as required. Delete submittals not required.


A.

Comply with Section 01 33 00



Submittal Procedures.


B.

Product Data: Submit manufacturer’s ma
terial data sheets for repair mortar in accordance with
data sheet protocol for testing and reporting of data in ACI 364.3R

and
ICRI 320.3, including
surface preparation, mixing, application, and curing instructions.


C.

Test Reports: Submit manufacturer’
s test reports
from testing of materials performed by
qualified, independent testing laboratories.


D
.

Manufacturer’s Certification: Submit manufacturer’s certification that materials comply with
specified requirements and are suitable for intended applic
ation.


E
.

Manufacturer’s Project References: Submit manufacturer’s list of successfully completed
repair
mortar

projects, including project name and location, name of architect, and type and quantity of
repair mortar
furnished
.


F
.

Applicator’s

Project R
eferences: Submit
applicator’s

list of successfully completed
repair mortar
projects, including project name and location, name of architect, and type and quantity of
repair
mortar
applied
.


1.
5

QUALITY ASSURANCE


A
.

Manufacturer’s Qualifications:

1.

Manu
facturer
regularly
engaged
,

for
minimum 1
5 years
,

in manufacture of
repair mortar
of
similar type to that specified.

2.

ISO 9001
:2000

certified
.


B
.

Applicator’s

Qualifications:

1.

Applicator

regularly
engaged, for
minimum
5 years, in
application

of
repair

mortar
of
similar type to that specified
.

2
.

Employ persons trained for
application

of
repair mortar
.




BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

4

Specifier Notes:
Include a pre
-
application meeting for critical
or

large projects.
Edit as required
.

Delete if not needed.


C
.

Pre
-
application

Meetin
g:

1.

Convene pre
-
application meeting before start of application

o
f
vertical and overhead

repair
mortar
.

2.

Require attendance of parties directly affecting work of this section, including
:

a.

Contractor
.

b.

Architect
.

c.

Engineer.

d.

A
pplicator
.

e.

M
anuf
acturer’s representative
.

3.

Review
:

a.

Materials.

b
.

S
urface preparation
.

c
.

Mixing.

d
.

Application.

e
.

Curing.

f
.

P
rotection
.

g
.

C
oordination with other work.


1.
6

DELIVERY, STORAGE, AND HANDLING


A.

Delivery

and Acceptance Requirements
: Deliver materia
ls
to site
in manufacturer’s original,

weatherproof,

unopened

containers and packaging, with labels clearly identifying product name
and manufacturer.


B.

Storage

and Handling Requirements
:

1.

Store
and handle
materials in accordance with manufacturer’s in
structions.

2
.

Keep materials in manufacturer’s original, unopened containers and packaging until
installation.

3
.

Store materials in clean, dry
conditions
.

4
.

Protect materials
d
uring
storage,
handling
,

and application

to prevent contamination or
damage.


1.
7

AMBIENT CONDITIONS


A.

A
mbient and Surface Temperatures:
45
to
90 degrees F (7
to
32 degrees C)

at time of
application
.


B.

Exterior Applications:
Do not apply

vertical and overhead

repair mortar w
hen rain, snow, or
excessive moisture is expected du
ring application

or within 24 hours after application.



PART 2

PRODUCTS


2.1

MANUFACTURER




BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

5

A.

BASF Corporation, 889 Valley Park Drive, Shakopee, Minnesota 55379. 800
-
433
-
9517.
www.BuildingSystems.BASF.
com
.


2.2

VERTICAL AND OVERHEAD

REPAIR MORTAR


A.

Vertical and Overhead

Repair Mortar:
ZERO
-
C

Vertical

Overhead
Mortar.

1.

Components:

a.

ZERO
-
C

Vertical

O
verhead

Liquid.

b.

ZERO
-
C

Lightweight
Mortar.

2.

Description: Two
-
component,
vertical and overhead
, shrinkage
-
compensated, portland
-
cement
-
based

repair mortar, with integral corrosion inhibitor.

3.

Application Thickness:

a.

Minimum: 1/8 inch (3 mm).

b.

Maximum per Lift: 2 inches (50 mm).


B.

Typical Properties:

1.

Unit Weight, ASTM C 185:
114

to
120

pcf (1,
826

to
1,922

kg/m
3
).

2.

Working Time, 70 degrees F

(21 degrees C)
: Greater than 30 minutes.

3.

Set
ting

Time, ASTM C 266:

a.

Standard Application Temperature
,
70 degrees F

(21 degrees C)
:

1)

Initial Setting Time: 40 to 90 minutes.

2)

Final Setting

Time: Less than 120 minutes.

b.

Maximum Application Temperature
,
90 degrees F

(32 degrees C)
:

1)

Initial Setting Time: 25 to 50 minutes.

2)

Final Setting Time: Less than 60 minutes.

c
.

Minimum Application Temperature
,
50 degrees F

(10 degrees C)
:

1)

In
itial Setting Time: 100 to 150 minutes.

2)

Final Setting Time: Less than 170 minutes.

4.

Compressive Strength, ASTM C 109, 73 degrees F

(23 degrees C)
:

a.

3 Hours:
Greater than
1,5
00 psi (
10.3

MPa).

b.

1 Day:
Greater than
3,
0
00 psi (
20.7

MPa).

c.

7 Day
s:
Greater than
4,000

psi (
27.6

MPa).

d.

28 Days:
Greater than
5,000

psi (
34.5

MPa).

5.

Drying Shrinkage, ASTM C 157, Modified, 28 Days: Less than 500
percent (
µstrain
)
.

6.

Rapid Chloride Permeability, ASTM C 1202/AASHTO T 277: Very low range, coulombs
.

7.

Static Modulus of Elasticity, ASTM C 469, 28 Days: 3.2 x 10
6

psi (22.1 GPa).

8.

Salt Scaling Resistance, ASTM C 672, 50 Cycles
, Rating
:
1
.

9.

Coefficient of Thermal Expansion, CRD C 39:
7.6

x 10
-
6

in/in/degree F (1.
37

x 10
-
5

m/m/degree C).

10.

Free
zing and Thawing Resistance, ASTM C 666, Procedure A:

a.

Average Durability Factor, 300 Cycles:
Greater than 90
.

11.

Cracking Resistance, ASTM C 1581,
p
lots of steel ring strain versus specimen age for
each test specimen:

a.

Average Initial Strain:
25.77
.

b.

Average Maximum Strain:
71.69
.

c.

Average Age at Cracking: Greater than 60 days.

12.

Compressive Creep, ASTM C 512, Average Creep Strain:

a.

7 Days: 0.0
27

µstrain/psi.

b.

28 Days: 0.0
44

µstrain/psi.



BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

6

13.

Direct Tensile Strength, CRD C 164, 2
-
inch b
y 4
-
inch specimens, Average Tensile
Strength:

a.

1 Day:
325

psi.

b.

7 Days: 400 psi
.

c.

28 Days: 500 psi.

14.

Bond Strength, ASTM C 882, Modified per ASTM C 928, 3
-
inch by 6
-
inch slant
-
shear
specimens, Average Slant
-
Shear Bond Strength:

a.

1 Day:
Great
er than
1,
0
00 psi.

b.

7 Days:
Greater than
1,
5
00

psi.

c.

28 Days:
Greater than
2,
0
00 psi.

1
5
.

VOC Content: 0 lbs per gal (0 g/L), less water and exempt solvents.


2.
3

ACCESSSORIES


A.

Reinforcing Steel

Coating: BASF Corporation “Emaco P24”.


B.

Reinfor
cing Steel

Primer:
BASF Corporation “Zincrich Rebar Primer”.


C
.

Bonding Agent: BASF Corporation “Concresive Liquid LPL” or “Emaco P24”.


D
.

Evaporation Reducer: BASF Corporation “Confilm”.


E
.

Curing Compound:

1.

Approved by
vertical and overhead

repai
r mortar manufacturer.

2.

Compatible with
vertical and overhead

repair mortar.

3.

Water based.

4
.

Moisture
-
Retention Requirements: ASTM C 309 or C 1315.



PART 3

EXECUTION


3.1

EXAMINATION


A.

Examine areas to receive
vertical and overhead

repair mortar
.


B.

Notify Architect
of conditions that would adversely affect
surface preparation or
application.


C.

Do not begin surface preparation or application

until unacceptable conditions
are
corrected.


3.2

SURFACE
PREPARATION


Specifier Notes: Edit the followi
ng sentence as required for the specific application
.


A.

Protection

of In
-
Place Conditions
: Protect adjac
ent surfaces
,
areas,
and
adjoining walls

from
contact with
vertical and overhead

repair mortar
.


B
.

Concrete
:

1.

Prepare surfaces in accordance with
manufacturer’s instructions.

2.

Remove unsound
, contaminated,
and delaminated concrete.



BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

7

3.

Provide minimum of 1/4
-
inch (6
-
mm) substrate profile.

4
.

Provide 3/4
-
inch (19
-
mm)

clearance behind corroded reinforcing steel.

5
.

Saw cut perimeter of area being rep
aired to minimum depth of 1/
4

inch (
6

mm)

to prevent
featheredges.

6
.

Do not
cut
reinforcing steel.

7
.

Mechanically abrade concrete surface to remove bond
-
inhibiting materials and to provide
additional mechanical bond, after removal of concrete.

8
.

Do not
use method of surface preparation that could
fracture concrete
, unless absence of
microcracking or bruising can be verified and is followed with abrasive blasting to remove
microfractures and du
s
t
.

9
.

Presoak prepared concrete surface to saturated
-
surface
-
dry (SSD) condition, unless
bonding agent will be used.

10
.

Remove excess water.


C
.

Corroded Reinforcing Steel:

1
.

Remove oxidation and scale from exposed reinforcing steel in accordance with
manufacturer’s instructions.

2
.

Coat prepared reinforcing steel

with
reinforcing steel

coating or
primer
.


3.
3

MIXING


A.

Mix components in accordance with manufacturer’s instructions.


B.

Precondition
components to
60

to
80

degrees F (
16

to
27

degrees C)
for 24 hours
before
mixing.


C
.

Do not use free
-
fall or rotatin
g
-
drum mixers.


D
.

Do not mix partial units of components.


3.
4

APPLICATION


A.

Apply

vertical and overhead

repair mortar
in accordance with manufacturer’s instructions

at
locations indicated on the Drawings
.


B.

Hand or Trowel
Applications:

1.

Remove pond
ing or standing water

immediately before application
.

2.

Place air relief vents at high points in repair area to prevent voids from entrapping air.

3.

Mechanically scrub small quantity of mixed
vertical and overhead

repair mortar
or bonding
agent
into prep
ared substrate.

4.

Apply
vertical and overhead

repair mortar before bond coat
or bonding agent
dries or
hardens.

5
.

Apply
vertical and overhead

repair mortar with sufficient pressure to ensure intimate
contact with substrate.

6.

Form Removal: Remove forms

when
vertical and overhead

repair mortar has reached
a
minimum of 80 percent of design strength
.

7
.

Apply evaporation reducer to
vertical and overhead

repair mortar surface when
finishing
.

8
.

Provide surface finish to
vertical and overhead

repair mortar a
s required.


3.
5

CURING



BASF Corporation

ZERO
-
C

Vertical and
O
verhead

Repai
r
Mortar

03 01 30.71
-

8


A.

Cure
vertical and overhead

repair mortar in accordance with manufacturer’s instructions

and
ACI 308.1
.


B.

Continue curing after removal of forms.


C.

Cure
vertical and overhead

repair mortar by one of the following two methods:

1.

Curing Compound:
Apply curing compound
in accordance with product instructions.

2.

Moist Curing:

a.

Moist cure for 1 to 3 days, depending on drying conditions.

b
.

Include time in form.

c
.

Moist cure for 3 days in hot, dry, or windy conditions.


D.

Pro
tect
vertical and overhead

repair mortar from direct sunlight, wind, and other conditions that
could cause rapid drying.


3.
6

PROTECTION


A.

Protect
completed
vertical and overhead

repair mortar
to ensure that

material
will be without
damage or deterioration at time of
S
ubstantial
C
ompletion.



END OF SECTION