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- SECTION 07190
-
- WATER REPELLENTS
- NOTE ** This section is based on products manufactured by
- Chemprobe Technologies, Inc., at the following
- address:
- NOTE ** 2805 Industrial Lane
- NOTE ** Garland, TX 75041
- NOTE ** Voice: 800-760-6776 or 972-271-5551
- NOTE ** FAX: 972-271-5553
- NOTE **
- NOTE ** Chemprobe Technologies, Inc. manufactures a full
- line of water repellent products for exterior
- surfaces.
- NOTE **
- NOTE ** SECTION 07190 - WATER REPELLENTS, Copyright 1996,
- The Architect's Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items below not required for project.
-
- A. Water repellents for above grade surfaces of concrete.
-
- B. Water repellents for above grade surfaces of stone.
-
- C. Water repellents for above grade surfaces of masonry.
-
- D. Water repellents for above grade surfaces of stucco.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete any sections below not relevant to this
- project; add others as required.
-
- A. Section 03300 - Cast-In-Place Concrete.
-
- B. Section 03400 - Precast Concrete.
-
- C. Section 03900 - Concrete Restoration and Cleaning.
-
- D. Section 04400 - Stone.
-
- E. Section 04800 - Masonry Assemblies.
-
- F. Section 04900 - Masonry Restoration and Cleaning.
-
- G. Section 07180 - Traffic Coatings.
-
- H. Section 09630 - Masonry Flooring.
-
- I. Section 09900 - Paints and Coatings.
-
- J. Section 09960 - High-Performance Coatings.
-
- 1.3 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Manufacturer's technical literature,
- specifications and application instructions.
-
- C. Contractor's certification that the applicator has the
- specified experience, include a list of the names of
- several recent projects, locations, names of architects,
- and methods of application.
-
- 1.4 QUALITY ASSURANCE
-
- A. Qualifications:
- 1. Manufacturer: A firm with not less than 10 years
- experience in manufacturing the products specified in
- this Section.
- 2. Applicator: A firm with not less than 3 years
- experience in the application of the products
- specified in this Section.
-
- B. Mock-Ups:
- 1. Apply specified products to sample panels as directed
- by the Architect to determine acceptability of
- appearance and optimum coverage rate required for
- application.
- 2. After materials have cured in accordance with
- manufacturer's recommendations, water test surface to
- determine that sufficient water repellent has been
- applied to repel liquid water.
- 3. Do not begin application of water repellents to the
- work until the mock-up has been approved by the
- Architect.
-
- C. Pre-Installation Conference: Prior to application of
- water repellents, hold a meeting at the job site with
- representatives of the manufacturer and the applicator.
- Notify the Owner and the Architect at least 3 days in
- advance of the time of the meeting.
-
- 1.5 DELIVERY, STORAGE, AND HANDLING
-
- A. Packaging and Shipping: Deliver materials in original
- sealed containers, clearly marked with manufacturer's
- name, brand name, and type of material.
-
- B. Acceptance at Site: Verify that the product delivered
- matches the product applied to the approved mock-up.
-
- C. Storage and Protection:
- 1. Store and handle materials in accordance with
- manufacturer's written instructions.
- 2. Store materials indoors and away from sparks and open
- flame in a secure area to prevent tampering and
- contamination. Do not allow water-based materials to
- freeze.
-
- 1.6 ENVIRONMENTAL REQUIREMENTS
-
- A. Provide products that comply with federal, state, and
- local volatile organic compounds (VOC) regulations.
-
- B. Do not apply water repellents to surfaces below 40
- degrees F or above 95 degrees F unless recommended by the
- manufacturer.
-
- C. Do not apply water repellents when rain is predicted
- within 48 hours or less than 5 days after surface has
- been wet.
-
- D. Do not apply water repellents in high or gusty winds.
-
- 1.7 SCHEDULING
-
- A. Notify the Architect not less than 48 hours before each
- application of water repellent.
- NOTE ** Delete the following article if no warranty is
- required, or if water repellent work is covered
- under the terms of a general project warranty
- specified elsewhere. You may wish to edit the
- article to obtain a warranty from the contractor,
- only, or to suit other project-specific criteria.
-
- 1.8 WARRANTY
-
- A. The Contractor and the installer shall jointly and
- severally warrant water repellents against failure in
- material and workmanship for a period of 5 years from the
- date of Substantial Completion.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Provide water repellents manufactured by Chemprobe
- Technologies, Inc.; 2805 Industrial Land, Garland, TX
- 75041; Voice 800-760-6776 or 972-271-5551, FAX 972-271-
- 5553.
-
- 2.2 PRODUCTS
-
- A. General: All products shall contain siloxane. No
- fillers, sterates, or paraffins. Products containing
- siloxane only, shall have a range of 3 to 7 percent
- solids. Silane-siloxane blend products shall contain
- minimum 15 percent solids.
- NOTE ** Refer to Chemprobe's product data sheets or contact
- a Chemprobe representative to determine the
- appropriate water repellent to be specified. Edit
- this list to retain only those products to be
- included in the work.
-
- B. Solvent Based Siloxane: Prime A Pell 200.
-
- C. Water Based Siloxane: Prime A Pell H2O Block Formula.
-
- D. Water Based Siloxane: Prime A Pell H2O Brick & Precast
- Formula.
-
- E. Solvent Based Silane/Siloxane Blend: Deck A Pell.
-
- F. Solvent Based Silane/Siloxane Blend: Deck A Pell 20.
-
- G. Water Based Silane/Siloxane Blend: Dur A Pell 20.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verification of Conditions:
- 1. Do not apply water repellents to surfaces that
- contain liquid or frozen water.
- 2. Verify that new masonry and mortar has cured for at
- least 21 days.
- 3. Verify that all sealants have been installed.
-
- 3.2 PREPARATION
-
- A. Protection:
- 1. Prevent water repellent fumes from entering the
- building being treated, turn off ventilation system
- and close fresh air intakes.
- 2. Protect shrubs, metal, wood trim, glass, asphalt, and
- hardware during application of water repellents.
- 3. Do not permit spray mist or liquid to drift onto
- adjacent properties.
-
- B. Surface Preparation: Prepare surface so that it is free
- of cracks, dirt, oils, paint, and other contaminants that
- may affect the appearance and performance of the water
- repellents.
-
- 3.3 APPLICATION
-
- A. General: Apply water repellents in accordance with
- manufacturer's printed instructions.
-
-
- B. Apply water repellents using low pressure spray equipment
- designed for water repellent application.
-
- C. Apply water repellents as shipped by the manufacturer, do
- not dilute.
-
- D. Apply water repellents evenly until surface is totally
- saturated. Coverage rates are dependent on surface
- material. Only one saturation coat is required.
-
- 3.4 FIELD QUALITY CONTROL
-
- A. After water repellent has dried for 24 hours at low
- humidity and a temperature between 70 and 90 degrees F or
- for 48 hours at high humidity and a temperature between
- 50 and 69 degrees F., test all surfaces with a water
- spray. Recoat areas that indicate water absorption.
-
-
- END OF SECTION
-