SECTION 07190
WATER REPELLENTS
PART 1 1.1
1.2
SUMMARY
A.
Related Documents: General and Supplementary Conditions of the Contract,
Division 1 General Requirements, and Drawings are applicable to this Section.
B.
Section Includes, but is not limited to:
1.
Sealing of exterior and interior concrete masonry or stone.
C.
Related Sections:
1.
Section 04220 - Concrete Masonry Units
2.
Section 04230 – Calcium Silicate Masonry Units
3.
Section 04720 – Cast Stone
4.
Section 07920 - Joint Sealants
REFERENCES
A.
1.3
1.4
GENERAL
American Society for Testing and Materials (ASTM):
1.
D 2369-04 Standard Test Method for Volatile Content of Coatings 2.
D 3273-05 Standard Test Method for Resistance to Growth of Mold on the
Surface of Interior Coatings in an Environmental Chamber
SUBMITTALS
A.
Shop drawings, product data, and samples under provisions of Section 01330.
B.
Applicator Qualifications: Submit qualifications of applicator.
1.
Certification stating applicator is experienced in the application of the specified
products.
2.
List of recently completed masonry cleaning projects, including project name
and location, names of owner and architect, description of cleaning products
used and substrates, applicable local environmental regulations, and
application procedures.
C.
Environmental Regulations: Submit description for testing, handling, treatment,
containment, collection, transport, disposal, and discharge of hazardous wastes and
cleaning effluents. Describe any hazardous materials to be cleaned from substrates.
Submit applicable local environmental regulations.
D.
Protection: Submit description for protecting surrounding areas, landscaping,
building occupants, pedestrians, vehicles, and non-masonry surfaces during the
work from contact with masonry cleaners, residues, rinse water, fumes, wastes, and
cleaning effluents.
E.
Surface Preparation: Submit description for surface preparation of substrates to be
completed before application of masonry cleaners.
F.
Application: Submit description for application procedures of masonry cleaners.
QUALITY ASSURANCE
A.
Qualifications:
1.
Manufacturer Qualifications:
a.
Manufacturer capable of providing field service representation during
installation and who will approve the installer and application method.
2.
Installer Qualifications:
a.
Installer experienced in performing this type of work and who has
specialized in work similar to the type required for this project.
B.
Test Panels:
1.
Before full-scale application, test products to be used on test panels.
2.
Review manufacturer's product data sheets to determine suitability of each
product for each surface.
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Water Repellents
3.
4.
5.
6.
7.
C.
1.5
Project Environmental Requirements
1.
Do not apply products under conditions outside manufacturer's requirements,
which include:
a.
Surfaces that are frozen; allow complete thawing prior to installation.
b.
Surface and air temperatures below 40 degrees F.
c.
Surface and air temperatures above 95 degrees F.
d.
When surface or air temperature is not expected to remain above 40
degrees F for at least 8 hours after application.
e.
Wind conditions that may blow materials onto surfaces not intended to
be treated.
f.
Less than 24 hours after a rain or 6 hours before rain is expected after
installation.
2.
Ventilate spaces receiving product in accordance with material manufacturers'
instructions.
WARRANTY
A.
Comply with requirements of Section 01780 - Closeout Submittals.
B.
Submit a written warranty, executed by the Contractor, Installer, and Manufacturer,
agreeing to replace sealant that fails in materials or workmanship within the specified
warranty period.
1.
Warranty Period: Five (5) years after date of Substantial Completion.
PART 2 2.1
Comply with requirements of Section 01660 - Storage and Handling Requirements.
PROJECT CONDITIONS
A.
1.7
Pre-installation Meetings
1.
Comply with provisions of Section 01310 - Project Management and
Coordination.
a.
Applicator and Product representative shall be present during meeting.
2.
Reference Section 04050 Basic Masonry Materials and Methods for
Requirements.
DELIVERY, STORAGE, AND HANDLING
A.
1.6
Apply products using manufacturer-approved application methods,
determining actual requirements for application.
After 48 hours, review effectiveness of cleaning or treatment, compatibility with
substrates, and ability to achieve desired results. Let test area protective
treatment cure before inspection.
Obtain approval by Architect and Owner of workmanship, color, and texture
before proceeding with work.
Test Panels: Inconspicuous sections of actual construction.
a.
Location and number as selected by Architect.
b.
Size; 4 feet by 4 feet.
c.
Repair unacceptable work to the satisfaction of the Architect and
Owner.
Regulatory Compliance
a.
Comply with applicable federal, state, and local environmental
regulations including testing, handling, treatment, containment,
collection, transport, disposal, and discharge of hazardous wastes and
cleaning effluents.
PRODUCTS
MANUFACTURERS
A.
Subject to compliance with requirements indicated herein, provide products of one of
the listed manufacturers.
1.
PROSOCO, Inc., 3741 Greenway Circle, Lawrence, KS; (800) 255-4255;
www.prosoco.com
2.
As approved by Architect.
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3.
2.2
Substitutions: Under provisions of Section 01630 - Product Substitution
Procedures.
MATERIALS –WATER REPELLENTS
Substrate
Brick
CMU
Type
Clay
Split Face
Burnished Block
Interior
Burnished/Ground
Face
Natural Stone
Manufactured Stone
Exterior
Burnished Block
Interior
Stone Construction
PART 3 3.1
3.3
3.4
Weather Seal Natural Stone Treatment
Weather Seal Siloxane PD
Weather Seal Blok-Guard & Graffiti
Control
Consolideck® DuraSheen
EXECUTION
EXAMINATION
A.
3.2
Water Repellent
Weather Seal Siloxane PD
Weather Seal Blok-Guard & Graffiti
Control
Sure Klean® Burnished Block Sealer
Site Verification of Conditions:
1.
Verify that substrates are acceptable for product installation; do not begin until
substrates meet manufacturer's requirements.
2.
Do not begin until test panels have been approved by Architect.
PREPARATION
A.
Comply with provisions of Section 01720 – Preparation.
B.
Surface Preparation
1.
Protect surrounding areas, landscaping, building occupants, pedestrians,
vehicles, and non-masonry surfaces during the work from contact with
masonry cleaners, residues, rinse water, fumes, wastes, and cleaning
effluents in accordance with manufacturer's written instructions.
2.
On surfaces to be coated or treated, remove dirt, dust, oil, grease, and other
contaminants that would interfere with penetration or performance of products;
where cleaners are required, use products recommended by manufacturer;
rinse thoroughly and allow to dry completely.
3.
Apply all specified sealants and caulking and allow curing before sealing
process begins.
4.
Divert and protect pedestrian and auto traffic.
5.
Avoid wind drifting of spray of cleaning products, residues, and rinse water.
6.
Protect open joints.
APPLICATION
A.
Comply with provisions of Section 01730 – Execution.
B.
Seal in accordance with manufacturer's instructions and recommendations, product
data, and container label instructions.
C.
Mix materials in strict accordance with manufacturer's instructions; do not dilute
unless permitted by manufacturer.
D.
Prevent overspray, wind drift, and splash onto surfaces not to be treated.
FIELD QUALITY CONTROL
A.
Inspection:
1.
Inspect the masonry cleaning work with the Contractor, Architect, applicator,
and product representative, and compare with test panel results approved by
the Architect. Determine if the substrates are suitably clean.
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B.
3.5
Manufacturers’ Field Services
1.
Provide the services of the manufacturer's authorized field representative to
verify that installed products comply with manufacturer's requirements and
with the standard established by the Architect-approved test panels.
CLEANING
A.
At completion of work, remove protective coverings.
B.
Protect completed work from damage during construction.
C.
Clean site of all unused cleaning products, residues, rinse water, wastes, and
cleaning effluents in accordance with environmental regulations.
D.
Repair, restore, or replace to the satisfaction of the Architect, all materials,
landscaping, and non-masonry surfaces damaged by exposure to the cleaning
process.
END OF SECTION
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