072100_01_00 Basecoat _ Adhesive Submittal_EG.pdf
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- Solicitation number
- PE-54300-RFQC-2025-000000063
- Issued by
- Cobb County, Georgia
About this file
This document is a Submittal Cover Sheet for the KSU Clendenin Building Envelope Repairs project, involving F.H. Paschen as the contractor and Epsten Group as the architect/engineer for Kennesaw State University. The submittal specifically covers Parex USA's 121 Dry Basecoat & Adhesive, which is part of a stucco assembly for the building envelope repair project. The submittal is dated 7/19/24, with a review by RJ Wells of Epsten Group on 7/24/2024, and includes technical specifications for the basecoat and adhesive product, detailing its composition, uses, application methods, and performance characteristics.
The product is a water-based, VOC-compliant basecoat and adhesive designed for use in Exterior Insulation and Finish Systems (EIFS), with specific applications including adhesion to various substrates like exterior grade gypsum sheathing, masonry, concrete, and EPS boards. The technical data sheet provides comprehensive testing results demonstrating the product's performance, including impact resistance, water penetration resistance, and surface burning characteristics. The submittal emphasizes that product substitutions are not accepted unless explicitly approved in writing by the manufacturer, and the acceptance of this product is contingent on using compatible AWRB and stucco components within the Parex USA system.
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F.H. PASCHEN, S.N. NIELSEN & ASSOCIATES LLC
1344 La France Street, NE Suite 2, Atlanta, GA 30307
p. 404.942.1307 f. 404.228.4050 | www.fhpaschen.com
SUBMITTAL COVER SHEET
Fill out items 1 through 4 below and submit product data sheet, sample, shop drawing, or other items submitted to the
Owner/Architect/Engineer. Each submittal line item shall have its own Submittal Cover Sheet.
Project Name: KSU Clendenin Building Envelope Repairs Contractor: FH Paschen
Project Manager: Justice Hill
Address:
739 Trabert Ave NW
Atlanta, GA 30318
Phone: 770-584-4267
Architect/Engineer: RJ Wells – Epsten Group Owner: Kennesaw State University
Owner Project
Manager:
Emmanuel Bertrand - KSU
1. Date: ______7/19/24 _____
2. Submitted Item: ________Basecoat & Adhesive
3. Manufacturer: ____Parex USA___
4. Notes:
Contractor’s Stamp Owner/ Engineer/ Architect Stamp
No exception taken.
Revise as noted. Do not resubmit. See Notes above.
Revise as noted. Resubmit. See Notes above.
Rejected. See Notes above.
Checking of submittals is only for general conformance with the design concept of the Project and general compliance with the information given in Contract Documents. Any action shown is subject to the requirements of the Drawings and Specifications. Contractor is responsible for dimensions to be confirmed and correlated at the job site, quantities, information that pertains solely to the fabrication processes or to techniques of construction, coordination of the work of all trades, and the satisfactory performance of his work.
By: Date:
EGI General Comments
1. This product is part of a whole stucco assembly, the acceptance of this product is contingent on the use of other compatible AWRB and stucco components. Review comments on other stucco-related submittals prior to procurement.
2. Product substitutions are not accepted unless explicitly accepted in writing by the manufacturer.
3. This product data is not associated to division 072100 Thermal Insulation, suggest using stucco-related division instead.
REVIEWED NO
COMMENT
REVISE &
RESUBMIT
BY
SUBMITTAL#
DATE
SPEC
RJWells 7/24/2024
072100-01-00 072100 epstengroup 101 Marietta Street NW Suite 2600 Atlanta, Georgia 30303 t 404 577 0370 epstengroup.com
Disclaimer: Review is for systems commissioning only. Submittal acceptance or rejections above are recommendations only. Final approval is the responsibility of the Design Professional.
DESCRIPTION:
n Basecoat for Parex EIFS n Adhesive to laminate EPS to listed substrates n Applied without the addition of cement n Mixed on site with water n Excellent workability
USES:
n EPS adhesive for the following substrates:
- Exterior grade gypsum sheathing
- Glass mat gypsum sheathing
- Masonry, concrete and cement board
- EPS
- Parex USA WeatherSeal Spray &
Roll-On and WeatherSeal Trowel-On Water Resistive Barrier Coatings n Basecoat for Parex NuTech and other architectural coatings and finishes
(ACF).
n Leveler and filler for masonry, concrete, stucco surfaces. For this application only, 121 Dry Bascoat & Adhesive can be built up to 1/4 in. (6 mm) thick in a single pass.
COMPOSITION:
n Binder base: Copolymer compatible with portland cement n Water base: VOC-Compliant n Color: Light gray
WORKING TIME:
Pot life is 1–2 hours after water has been added. Open time is affected by humidity and temperature.
DRYING TIME:
Full adhesive bond strength is reached after 1–4 days, depending on humidity and temperature. Dries within 24 hours under normal drying conditions [70ºF (21ºC), 50% RH]. Cold and/or humid weather may extend drying time. Parex USA Accel-Pak may be added to decrease drying time. See Data sheet for more information.
CLEAN-UP:
Water-soluble prior to drying. Clean tools and containers with water before mixture sets.
121 Dry Basecoat & Adhesive
TEST METHOD CRITERIA RESULTS
Accelerated Weathering*
ASTM G153
(ASTM G 23)
ASTM G154
No deleterious effects at 2000 hours when viewed under 5x magnification
Pass
Fungus Resistance MIL STD 810B 28 days: no growth
Freeze/Thaw Resistance*
ASTM E2485
No deleterious effects at 10 cycles when viewed under 5x magnification
Pass
Impact Strength EIMA 101.86 /
ASTM E2486
Standard Impact Pass with Standard Mesh, Higher Impact Ranges per Mesh
Mildew Resistance ASTM D3273 No growth supported during 28 day exposure period
Pass
Water Penetration ASTM E331
No water penetration beyond the plane of the Basecoat/EPS board interface after 15 minutes at 6.24 psf (299 Pa)
Pass
Moisture Resistance ASTM D2247 No deleterious effects at 14 day exposure
Pass
Salt Fog Resistance* ASTM B117 No deleterious effects at 300 hours Pass: 500 hrs
Surface Burning Characteristics
ASTM E84 < 25 Flame Spread < 450 Smoke Developed
Flame Spread : 0 Smoke Developed :10
Tensile Adhesion (psi)
ASTM C297
> 15 psi or no failure of adhesive Pass: Concrete, Gypsum Sheathing, Dens-Glass Gold, Cement Board
Water Penetration ASTM E331
No water penetration beyond the inner-most plane of the wall after 2 hours at 299 Pa (6.24 psf)
Pass
Water Vapor Transmission
ASTM E96
Procedure B
Vapor Permeable Permeable
Wind-Driven Rain F.S. TT-C-555B 24Hrs: No penetration of water
*Tested with Parex USA Reinforcing mesh and DPR Finish Coat of the 121 Dry Basecoat & Adhesive material. A slight pattern of the mesh is acceptable, due to shrinkage of the cementitious Basecoat upon drying.
n As a leveler or filler: Apply Parex 121 Dry Basecoat & Adhesive and trowel to a smooth, uniform surface. Maximum thickness in a single application should be no more than 1/4 in. (6mm).
n When overlapping reinforcing mesh, special care must be taken to ensure the basecoat & mesh is flat, level and free from bumps. Basecoat should be feathered onto either side of the overlap. The mesh overlaps should be reviewed to ensure they are acceptably flat before proceeding.
Refer to Technical Bulletin 61 for more information.
LIMITATIONS:
n Ambient and surface temperature must be 40°F (4°C) or higher during application and curing time. Provide supplemental heat and protection from precipitation as needed.
n Use only on surfaces that are sound, clean, dry, unpainted (10% or less) and free from any residue which may affect the ability of the 121 Dry Basecoat & Adhesive to bond to the surface.
n Application in direct sunlight in hot weather will significantly reduce open time for embedding Parex reinforcing mesh and smoothing the surface.
n Do not use as a leveler for EPS. Rasp EPS level.
WARNING:
n Read complete warning information printed on product container prior to use. For medical emergency information, call 1-800-424-9300.
n For more information on handling this product refer to its Safety Data Sheet (SDS). The most current SDS and Product Data Sheet (PDS) can be found on our website.
n This Product Data Sheet has been prepared in good faith on the basis of information available at the time of publication. It is intended to provide users with information about the guidelines for the proper use and application of the covered product(s) under normal environmental and working conditions. Because each project is different, Parex USA, Inc. cannot be responsible for the consequences of variations in such conditions, or for unforeseen conditions.
COVERAGE:
Depending on the condition of the substrate and method of application, approximate coverages per bag are:
n As an adhesive:
5/16 in. (8mm) notched trowel:
130-140 ft2 (12-13 m2) 5/8 in. (16mm) notched trowel:
92-100 ft2 (8-9 m2) n 1/2 in. (12.7mm) notched trowel:
113-120 ft2 (10.5 - 11.2 m2) n As a basecoat to embed 355 Parex
USA Standard Mesh:
75-95 ft2 (7-9 m2) n As a double-layer basecoat to embed 355 Parex USA Standard Mesh and
358.20 Ultra High Impact Mesh:
35-55 ft2 (3.3-5.1 sq. m2) n As a leveler, coverage depends upon the thickness applied.
CONTAINER:
50 lbs. (22.7 kgs) net weight in multiwall moisture-resistant bags.
n Storage: Store off the ground and protect from sun and moisture n Shelf life: Reference Parex USA
Expiration Date of Products Technical Bulletin
SURFACE PREPARATION:
n Planar irregularities are limited to
1/4 in. (6mm) or less in a 4 ft. (1.22 m) radius. Surface irregularities are limited to 1/4 in. (6mm) or less for masonry and concrete and 1/8 in.
(3mm) or less for sheathing.
n Irregular and uneven surface should be filled with any Parex 121 Basecoat & Adhesive.
n Remove surface contaminants such as dust or dirt without damaging the substrate.
n Painted substrates must have the paint removed with methods that result in no more than 10% of the remaining surface having paint.
n For additional options for surface preparation, contact Parex USA Technical Services Department.
MIXING:
n Use clean equipment for mixing and preparation.
n Add 5-6 quarts (4.7-5.7 L) of cool clean potable water to a 5 gal pail.
Add half of the amount of 121 Dry Basecoat & Adhesive and mix to a homogenous consistency using a heavy-duty 1/2 in. (13 mm) drill with a rust-free paddle at 400-500 rpm.
Then add the remaining half and mix until consistent.
n Small amounts of cool clean potable water may be added to adjust workability.
n Let the mixture stand for five minutes after initial mixing, then stir again, adding small amounts of water for workability once only.
n Parex 121 Dry Basecoat & Adhesive should be used immediately after mixing.
n Half batches may be mixed for convenience.
n Only Parex USA approved additives can be added to this product.
APPLICATION:
n Read the entire label before using this product.
n Adhesive Application: Apply the
121 Dry Basecoat & Adhesive to the entire surface on one face of the insulation board, using a 5/8 in. (16mm) notched trowel for masonry and concrete, or a 1/2-in. notched trowel for the Standard WaterMaster System, or a 5/16 in. (8mm) notched trowel for sheathing. The adhesive ribbons should be of uniform thickness, run vertically when positioned on the wall (parallel to the 2 ft. [61 cm] board dimension), and reach the perimeter of the insulation board. To ensure high initial grab and uniform adhesive contact, apply insulation board to the wall with firm pressure to the entire surface. Apply sufficient pressure to flatten adhesive ridges. Glass mat sheathing requires extra pressure.
n Basecoat Application: Rasp EPS board after 24 hours and when adhesive has fully cured and bonded. Using a stainless steel trowel, apply the 121 Dry Basecoat & Adhesive mixture to the rasped surface of the insulation board to a uniform thickness of 1/16 - 3/32 in.
(1.5 - 2.4mm). Embed the Parex USA reinforcing mesh immediately in the wet 121 Dry Basecoat & Adhesive mixture. Smooth the surface of the 121 Dry Basecoat & Adhesive mixture with a trowel until the reinforcing mesh is fully embedded and the basecoat thickness is approximately 1/16 in. (1.5mm).
The color of the reinforcing mesh should not be visible at the surface
Parex USA, Inc., a California Corporation 4125 E. La Palma Ave., Suite 250 Anaheim, CA 92807 www.parexusa.com 866-516-0061 Tech Support: 800-226-2424
© Parex USA, Inc. August 2018 • PX 121D DS 0818
DESCRIPTION USES
Reinforcing Meshes
355 Standard Mesh Standard reinforcement of Parex USA EIFS walls for impact resistance and used in Parex USA Stucco Krak-Shield assemblies.
4.5 oz fiberglass 38 in. (96.5cm) wide mesh. Highly flexible for full walls or details. Alkali-resistant.
356 Short Detail Mesh Backwrapping , corners, reveals and trim.4.5 oz fiberglass mesh 9.5 in. (24cm) wide. Highly flexible for details.
Alkali-resistant.
352 Adhesive Mesh Complex architectural details only.4.5 oz fiberglass mesh. Self-adhesive, facilitates the wrapping of complex contours. Highly flexible for details.
Alkali-resistant.
358.10 Intermediate Impact Mesh
Use with Parex USA EIFS to achieve EIMA/ASTM medium-impact strength classification. Used in Parex USA Stucco Krak-Shield assemblies.
12 oz fiberglass 38 in. (96.5cm) wide mesh. Intermediate strength to enhance impact and abuse resistance.
Alkali-resistant.
358.14 High Impact Mesh
Use with Parex USA EIFS to achieve EIMA/ASTM high-impact strength classification. 355 Standard Mesh must be used in combination with 358.14 High Impact Mesh for impact resistance.
15 oz fiberglass 38 in. (96.5cm) wide mesh. High strength to enhance impact and abuse resistance. Alkali resistant.
358.20 Ultra High Impact Mesh
Use with Parex USA EIFS to achieve EIMA/ASTM ultra-high impact strength classification. 355 Standard Mesh must be used in combination with 358.20 Ultra- High Impact Mesh for Impact Resistance.
20 oz fiberglass 38 in. (96.5cm) wide mesh. Ultra high strength to enhance impact and abuse resistance. Alkali-resistant.
Parex USA Reinforcing Meshes have been tested within the Parex USA EIFS Systems for compliance to Chapter 26 of the International Building Code.
Alkali resistant is defined as 120 pli (21 dN/cm) retained tensile strength per ASTM E2098 after 28 days soaked in 5% sodium hydroxide solution.
357 Corner Mesh Corner reinforcement7.2 oz fiberglass 9.5 in (24cm) wide mesh. Heavy duty. Factory pre-bent to fold uniformly around corners.
Designed to enhance impact and abuse resistance at corners. Alkali-resistant.
355.48 Long Standard Mesh
Standard reinforcement of Parex USA EIFS walls for impact resistance and used in Parex USA Stucco Krak-Shield assemblies.
4.5 oz fiberglass mesh 48 in. (121.9cm) wide. Highly flexible for details.
Alkali-resistant.
ASTM E2486 Impact Classification (formerly EIMA 101.86)
A. Standard Impact Resistance, 25-49 in-lbs (2.8 - 5.6 J) Impact Range B. Medium Impact Resistance, 50-89 in-lbs (5.7-10.1 J) Impact Range C. High Impact Resistance, 90-150 in-lbs (10.2-17.0 J) Impact Range D. Ultra High Impact Resistance, >150 in-lbs (> 17.0 J) Impact Range
Product Nominal Weight Coverage per Roll Width Length Packaging
355 Standard Mesh 4.5 oz/yd² (153g/m²) 475 ft² (43.6 m²) 38 in (96.5cm) 150' 4 rolls/box
355.48 Long Standard Mesh 4.5 oz/yd² (153g/m²) 600 ft² (55.7 m²) 48 in (122cm) 150' 4 rolls/box
356 Short Detail Mesh 4.5 oz/yd² (153g/m²) 119 ft² (11 m²) 9.5 in (24cm) 150' 16 rolls/box
352 Adhesive Mesh 4.5 oz/yd² (153g/m²) 237 ft² (21.7m²) 19 in (48.2cm) 150' 8 rolls/box
Im p ac t 358.10 Intermediate Impact Mesh 12 oz/yd² (407g/m²) 237 ft² (21.7m²) 38 in (96.5cm) 75' 4 rolls/box
358.14 High Impact Mesh 15 oz/yd² (509g/m²) 237 ft² (21.7m²) 38 in (96.5cm) 75' 2 rolls/box
358.20 Ultra High Impact Mesh 20 oz/yd² (692g/m²) 237 ft² (21.7m²) 38 in (96.5cm) 75' 2 roll/box
Sp ec ia lt y
357 Corner Mesh 7.2 oz/yd² (244g/m²) 119 ft² (11 m²) 9.5 in (24cm) 150' 4 rolls/box
Impact: Where mesh edges butt together, the joint has to be covered with a layer of Standard or Detail mesh with a minimum lap of 4 in. (102mm).
For 358.14 High Impact Mesh and 358.20 Ultra High Impact Mesh, a second layer of 355 Standard Mesh must be applied on the whole surface.
n 357 Corner Mesh: The fiberglass mesh must be embedded into the wet base coat and be smoothed with a trowel until fully embedded with the mesh color not visible. A slight pattern of the mesh is acceptable, due to shrinkage of the cementitious basecoat. Tightly butt mesh edges but do not overlap them. Install mesh taking care to avoid wrinkles. Where mesh edges butt together, the joint has to be covered with a layer of Standard or Detail mesh with a minimum lap of 6 in. (152mm) n For all mesh overlaps: When overlapping reinforcing mesh, special care must be taken to ensure the basecoat mesh is flat, level and free from bumps. Basecoat should be feathered onto either side of the overlap. The mesh overlaps should be reviewed to ensure they are acceptably flat before proceeding. Refer to Technical Bulletin 61 for more information.
APPLICATION:
n 355 Standard, 355.48 Long Standard and 356 Short Detail Mesh: The fiberglass mesh must be embedded into a Parex USA basecoat and be smoothed with a trowel until mesh is fully embedded and the basecoat, thickness is approximately 1/16 in.
(1.5mm). The color of the reinforcing mesh should not be visible at the surface of the Parex USA basecoat material. A slight pattern of the mesh is acceptable, due to shrinkage of the cementitious basecoat upon drying. Install mesh taking care to avoid wrinkles. The mesh must be continuous at all corners and must be lapped a minimum of 2-1/2 in.
(63.5mm) at the mesh seams.
n 352 Adhesive Mesh: 352 Adhesive Mesh is adhered to the EPS board before the basecoat is applied. Apply the basecoat and smooth it with a trowel until the mesh color is not visible. A slight pattern of the mesh is acceptable, due to shrinkage of the cementitious basecoat. The mesh must be continuous at all corners and must be lapped a minimum of 2-1/2 in. (63.5
mm) at the mesh seams.
n 358.10 Intermediate Impact, 358.14 High Impact, and 358.20 Ultra High Impact Mesh: The fiberglass mesh must be embedded into the wet basecoat and be smoothed with a trowel until fully embedded with the mesh color not visible. Tightly butt mesh edges but do not overlap them.
Install Parex USA 357 Corner Mesh at all edges. 358.10 Intermediate
Parex USA, Inc., a California Corporation 4125 E. La Palma Ave., Suite 250 Anaheim, CA 92807 www.parexusa.com 866-516-0061 Tech Support: 800-226-2424
© Parex USA, Inc. August 2018 • PU RM DS 0818
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