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	SECTION 07 26 13
	VAPOR RETARDERS, TOPICALLY APPLIED
	Copyright 2021 - 2021 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** Aquafin, Inc.; waterproofing, coatings and moisture vapor mitigation. This section is based on the products of Aquafin, Inc., which is located at: 505 Blue Ball Rd. Suite 160 Elkton, MD 21921 Toll Free Tel: 866-278-2346 Tel: 410-392-2300 Fax: 410-392-2324 Email: request info Web: http://www.aquafin.net [ Click Here ] for additional information. AQUAFIN, Inc. founded in January 1989, a member of the SCHOMBURG Group offers a full range of products to repair, protect, water and vapor proof concrete, masonry, brick, and some natural stone structures. In addition to providing the highest quality products we are dedicated to supporting our clients with technical expertise and practical know how gained over many years of on-site experience. Our R&D support consists of 25 highly motivated individuals, including 8 M.S. and PhD chemists.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Topically applied vapor retarder. (SG2) (SG3) (SG4)
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 03 30 00 - Cast-in-Place Concrete.
		B.	Section 09 62 13 - Asphaltic Plank Flooring0 - Specialty Flooring.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	ASTM International (ASTM):
			1.	ASTM D4541 B - Pull-Off Strength of Coatings; 1995, Modified.
			2.	ASTM E96 - Standard Test Method for Water Vapor Transmission of Materials.
			3.	ASTM E648 - Standard Test Method for Critical Radiant Flux of Floor-Covering Systems using a Radiant Heat Energy Source.
			4.	ASTM F1869 - Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.
			5.	ASTM E1907 - Standard Practices for Determining Moisture-Related Acceptability of Concrete Floors to Receive Moisture-Sensitive Finishes.
			6.	ASTM F2170 - Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes.
			7.	ASTM F3010 - Standard Practice for Two-Component Resin Based Membrane-Forming Moisture Mitigation Systems for Use Under Resilient Floor Coverings.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
		B.	Product Data:
			1.	Manufacturer's data sheets on each product to be used.
			2.	Preparation instructions and recommendations.
			3.	Storage and handling requirements and recommendations.
			4.	Typical installation methods.
			5.	Laboratory tests or data that validate product compliance with the performance criteria specified.
	** NOTE TO SPECIFIER ** VAPORTIGHT COAT SG2. Delete if not required.
		C.	Test Data: Independent testing laboratory data for product, evidencing:
			1.	Up to 95 percent reduction of water vapor transmission (tested as per ASTM E 96-95).
			2.	Product is insensitive to alkaline environment up to pH 14 (tested as per ASTM D 1308).
	** NOTE TO SPECIFIER ** the following two paragraphs apply to VAPORTIGHT COAT Delete if not required.
		D.	Test Data: Independent testing laboratory data for product, evidencing:
			1.	Up to 97 percent reduction of water vapor transmission (tested as per ASTM E 96-95).
			2.	Product is insensitive to alkaline environment up to pH 14 (tested as per ASTM D 1308).
			3.	No after flaming, no delamination, warpage or flaming pieces when subjected to radiant heat as per ASTM E 648-03.
		E.	Manufacturer's Certification: Proposed materials, details and systems as indicated and specified fully comply with manufacturer's details and specifications. If any portion of Contract Documents does not conform to manufacturer's standard recommendations, submit notification of portions of design that are at variance with manufacturer's specifications.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications:
			1.	Company specializing in manufacturing epoxy based surface applied moisture vapor barriers with minimum 10 years documented experience.
		B.	Installer Qualifications:
			1.	Acceptable to manufacturer with documented experience on at least 2 projects of similar nature in past 5years and/or training provided by the product manufacturer.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Deliver, store off the ground and covered, handle and protect products from moisture in accordance with manufacturer's instructions.
	** NOTE TO SPECIFIER ** VAPORTIGHT COAT SG2 and SG3. Delete if not required.
			1.	Store in a dry, well ventilated area at minimum 50 degrees F (10 degrees C) and maximum 90 degrees F (32 degrees C).
		B.	Deliver materials in manufacturer's unopened containers, fully identified with brand, type, grade, class, and all other qualifying information. Provide Safety Data Sheets for each product.
		C.	Take necessary precautions to keep products clean, dry, and free of damage.
	1.7	SYSTEM REQUIREMENTS
		A.	Coordinate floor ceiling installation with other trades.
		B.	Provide materials and accessories in timely manner so as not to delay Work.
	1.8	PROJECT CONDITIONS
		A.	Maintain surfaces to be sealed and surrounding air temperature at not less than 50 degrees F (10 degrees C).
		B.	Exercise caution when temperatures exceed 90 degrees F (32 degrees C).
	1.9	WARRANTY
		A.	Provide manufacturer's limited material warranty.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Aquafin, Inc., which is located at: 505 Blue Ball Rd. Suite 160; Elkton, MD 21921; Toll Free Tel: 866-278-2346; Tel: 410-392-2300; Fax: 410-392-2324; Email: request info; Web: http://www.aquafin.net
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs: coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
	2.2	TOPICALLY APPLIED VAPOR RETARDERS
	** NOTE TO SPECIFIER ** VAPORTIGHT COAT®-SG2 is a unique 2-component, alkali resistant, moisture tolerant, extremely high density and chemically enhanced epoxy based product which prevents capillary infiltration of oil and other chemicals from the ground. Applied in one coat, SG2 reduces the passage of water vapor and moisture through slabs and walls, thus eliminating delamination of adhesives, floor coverings and coatings.
		A.	Product: VAPORTIGHT COAT - SG2 as manufactured by AQUAFIN.
			1.	One-Coat Moisture Vapor Emission Reduction Control System (concrete floor sealer) consisting of a two-component, moisture tolerant, high density, low odor, chemically enhanced epoxy-based product which reduces vapor emissions (MVER) to less than or equal to 3 lbs per 24 hours per 1000 sq ft or less than or equal to 85 percent Relative Humidity. Compatible with floor finishes and adhesives approved by the manufacturer.
			2.	Application:
				a.	Indoor and outdoor, new, and existing concrete slabs: on grade, above grade, below grade and split slabs.
				b.	Oil and other chemically contaminated slabs.
				c.	Industrial/retail facilities, office buildings, hospitals and schools, food processing plants, secondary containment slabs, etc.
			3.	Material: 2-component epoxy.
				a.	Precise blend of white and yellowish liquid.
			4.	Color: White.
			5.	Density: 14.66 lbs per gal (1.76 kg per L).
			6.	VOC: 47 g/L.
			7.	Volume Solids: 97.3 percent.
			8.	Flash Point: Part A: Greater than 212 degrees F (Greater than 100 degrees C).
			9.	Flash Point: Part B: 170 degree F (77 degrees C).
			10.	Mixing Ratio: A:B - 100:12 by weight.
			11.	Pot Life at 73 degrees F (23 degrees C): Approximately 60 minutes.
			12.	Open to Foot Traffic: After 12 hours at 73 degrees F (23 degrees C).
			13.	Application Temperature: From 45 to 95 degrees F (8 to 35 degrees C).
			14.	Curing Temperature: 45 degrees F (8 degrees C) minimum.
			15.	Full Strength: After 7 days at 73 degrees F (23 degrees C).
			16.	Compressive Strength per ASTM D-695: Greater than 11,000 psi (80 Mpa).
			17.	Flexural Strength per ASTM D-790: Greater than 4,300 psi (30 Mpa).
			18.	Bond/Adhesion per ASTM D-4541: Greater than 500 psi (3.5 Mpa) at 28 days.
			19.	Permeance per ASTM E-96: Greater than 1.0 perm (5.7E-08 grams per Pa per sec per sq m).
			20.	Alkaline Resistance per ASTM D-1308: up to pH 14.
			21.	Vapor Reduction per ASTM E-96: up to 95 percent.
			22.	Cured for Installation of Flooring: 12 hours at 73 degrees F (23 degrees C).
			23.	pH on Cured Surface: 7.
			24.	Temperature Resistance:
				a.	Continuous Exposure:
					1)	Dry heat: 140 degrees F (60 degrees C).
					2)	Humid heat: 113 degrees F (45 degrees C).
				b.	Intermittent Exposure:
					1)	High pressure water: 185 degrees F (85 degrees C).
					2)	248 degrees F briefly (120 degrees C).
					3)	Dry heat 140 degrees F (60 degrees C).
			25.	Sand Broadcast: Oven dried No. 20 to 50 silica sand per ASTM E11, No. 18 to 35 sieve sizes for full broadcast to "rejection" into fresh wet SG2.
	** NOTE TO SPECIFIER ** VAPORTIGHT COAT®-SG3 is a unique 2-component, moisture tolerant, low viscosity, solvent free, chemically enhanced epoxy based product which reduces the passage of water vapor and moisture through slabs on, below and above grade as well as split slabs, thus eliminating delamination of adhesives, floor coverings and coatings. SG3 meets or exceeds the requirements of ASTM F3010-13 Standard Practice for Two Component Resin Based Membrane-Forming Moisture Mitigation Systems for Use Under Resilient Floor Coverings.
		B.	Product: VAPORTIGHT COAT - SG3 as manufactured by AQUAFIN. Moisture Vapor Emission Reduction Control System (concrete floor sealer): One-part system consisting of a two-component, 100 percent solids, solvent free, moisture tolerant, high density, low odor, chemically enhanced epoxy-based product which must reduce vapor emissions (MVER) to 3 lbs per 24 hours per 1000 sq ft or less and be compatible with floor finishes and adhesives approved by the manufacturer.
			1.	Application:
				a.	Indoor and outdoor, new, and existing concrete slabs: on grade, above grade, below grade and split slabs, old cementitious underlayment (no gypsum) and ceramic tiles with missing or damaged under-slab vapor barriers.
				b.	Industrial/retail facilities, office buildings, supermarkets, food processing plants, airplane hangars, hospitals, schools, etc.
				c.	For capillary infiltration of oil or other chemicals from the ground or to treat oil-contaminated slabs or radon infiltration consider VAPORTIGHT-COAT-SG2.
			2.	Standard Compliance:
				a.	ASTM F3010: Meets or exceeds.
			3.	Material: 2-component, clear epoxy.
				a.	Precise blend of clear and yellowish liquid.
			4.	Density: 9.08 lbs gal (1.09 plus or minus 0.02 kg per L).
			5.	VOC: 0 g per L.
			6.	Volume Solids: 100 percent.
			7.	Flash Point: Part A: Greater than 212 degrees F (Greater than 100 degrees C).
			8.	Flash Point: Part B: 170 degree F (77 degrees C).
			9.	Mixing Ratio: A:B - 100:50 by weight.
			10.	Pot Life at 73 degrees F (23 degrees C): Approximately 35 minutes.
			11.	Open to Foot Traffic: After 12 hours at 73 degrees F (23 degrees C).
			12.	Recoat Time indoors at 73 degrees F (23 degrees C): 12 hours to 5 days. Observe dew point.
			13.	Application Temperature: From 45 to 95 degrees F (8 to 35 degrees C).
			14.	Curing Temperature: 45 degrees F (8 degrees C) minimum.
			15.	Full Strength: After 7 days at 73 degrees F (23 degrees C).
			16.	Compressive Strength per ASTM D-695: Greater than 11,000 psi (80 Mpa).
			17.	Bond/Adhesion per ASTM D4541: Greater than 220 psi (1.5 Mpa) at 28-day old concrete.
			18.	Permeance per ASTM E96: Less than 0.5 perm (3.1E-08 grams per Pa per sec per sq m).
			19.	Alkaline Resistance per ASTM D1308: up to pH 14.
			20.	Vapor Reduction per ASTM E96: up to 97 percent. 0.100 grains/h-sq ft-in.Hg.
			21.	Cured for installation of flooring: 12 hours at 73 deg F (23 deg C).
			22.	pH on cured surface: 7.
			23.	Average Critical Radiant Flux (CRF) per ASTM E648: 1.00 W per sq cm; Passed: Nonflammable).
	** NOTE TO SPECIFIER ** VAPORTIGHT COAT®-SG4 is a rapid setting 2-component, moisture tolerant, low viscosity, solvent free, chemically enhanced epoxy based product which reduces the passage of water vapor and moisture through slabs on, below and above grade as well as split slabs, thus eliminating delamination of adhesives, floor coverings and coatings. SG4 meets or exceeds the requirements of ASTM F3010-13 Standard Practice for Two-Component Resin Based Membrane-Forming Moisture Mitigation Systems for Use Under Resilient Floor Coverings.
		C.	Product: VAPORTIGHT COAT - SG4 as manufactured by AQUAFIN. Moisture Vapor Emission Reduction Control System (concrete floor sealer): One-part system consisting of a rapid setting 2-component, moisture tolerant, low viscosity, solvent free, chemically enhanced epoxy based product. Reduces passage of water vapor and moisture through slabs on, below and above grade as well as split slabs. Eliminates delamination of adhesives, floor coverings and coatings.
			1.	Standards Compliance:
				a.	ASTM F3010: Meets or exceeds requirements.
			2.	Application:
				a.	Indoor and outdoor, new, and existing concrete slabs: on grade, above grade, below grade and split slabs where a fast turnaround time is desired.
				b.	Concrete slabs, old cementitious underlayment (no gypsum) and ceramic tiles with missing or damaged under-slab vapor barriers.
				c.	Industrial/retail facilities, office buildings, supermarkets, food processing plants, airplane hangars, hospitals, schools, etc.
				d.	Use for capillary infiltration of oil or other chemicals from the ground or to treat oil-contaminated slabs or radon infiltration consider VAPORTIGHT-COAT-SG2.
			3.	Material: 2-component, clear epoxy. One coat system. No sand broadcast.
			4.	Density: 9.0 lbs gal (1.08 plus or minus 0.02 kg per L).
			5.	VOC: 0 g per L.
			6.	Volume Solids: 100 percent.
			7.	Flash Point: Part A: Greater than 212 degrees F (Greater than 100 degrees C).
			8.	Flash Point: Part B: 170 degree F (77 degrees C).
			9.	Mixing Ratio: A:B - 100:47 by weight
			10.	Viscosity at 77 degrees F (25 degrees C): 650 plus or minus 100 cps.
			11.	Pot Life at 73 degrees F (23 degrees C): Approximately 15 minutes. 150 gram mass.
			12.	Open to Foot Traffic: After 3.5 hours at 73 degrees F (23 degrees C).
			13.	Recoat Time at 73 degrees F (23 degrees C):
				a.	Indoor: 3.5 hours - to 5 days.
				b.	Outdoor: 3.5 hours - to 24 hours.
			14.	Application Temperature: From 40 to 85 degrees F (5 to 30 degrees C).
			15.	Curing Temperature: 40 degrees F (5 degrees C) minimum.
			16.	Full Strength: After 7 days at 73 degrees F (23 degrees C).
			17.	Compressive Strength per ASTM D695: approximately 12,000 psi (85 Mpa).
			18.	Indoor Air Comfort per 5.3a EN 717-1: Formaldehyde was below the limit of 60 micro-grams per cu m at 28 days.
			19.	Water Vapor Transmission per ASTM E96: 0.06 grains per hour per sq ft-in.Hg at 16 mils (0.40 mm).
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Examine substrates, adjoining construction, and conditions under which Work is to be installed. Do not proceed with Work until unsatisfactory conditions are corrected.
		B.	Assure before application that surfaces to be treated do not contain any kind of sealer (sodium, potassium, etc.), chlorides, oil, grease, dirt, curing compounds, organic compound, or any substance that might act as a bond breaker.
		C.	Anhydrous Calcium Chloride Testing as per ASTM F-1869 and/or Relative Humidity Testing as per ASTM F-2170:
			1.	Before installation of concrete floor sealer: use tests carried out by Architect/Engineer during study phase and confirm by testing through installer or independent laboratory prior to installation of concrete floor sealer.
			2.	After Installation of Concrete Floor Sealer: Not required by manufacturer of specified concrete floor sealer, unless to be carried out on a test application, specified during bid stage.
			3.	Alternatively, or in addition to Calcium Chloride Testing: Use Relative Humidity tests carried out by Architect/Engineer during study phase and confirm by testing through installer or independent laboratory prior to installation of concrete floor sealer.
	3.2	PREPARATION
		A.	Protect adjacent surfaces not designated to receive concrete floor sealer.
		B.	Substrate preparation:
	3.3	Acceptable Methodology: Steel shot blasting, abrasive sand blasting, or grinding with a diamond cup blade.
		A.	Not Acceptable: Acid etching.
			1.	Concrete Surface Profile:
				a.	Steel shot blasted meeting ICRI CSP 3 - 5 for mechanical bond.
				b.	Not Acceptable: Smooth surfaces.
			2.	Burn off reinforcing fibers and collect and vacuum remains.
			3.	Repair Defective Areas: Honeycombs, cracks, or other defects.
				a.	Use a suitable repairing or manufacturer recommended mortar.
			4.	Saw Cut and Expansion Joints: Treat per manufacturer's application guideline.
			5.	Carefully rinse or pre-dampen several times all surfaces to be treated with clean water. Leave no standing water.
	3.4	INSTALLATION
		A.	Mix concrete floor sealer material in proportions recommended by manufacturer written instructions.
		B.	Apply concrete floor sealer material in quantities as per manufacturer's specifications and recommendations.
			1.	Apply in one coat at manufacturer's specified rate.
			2.	Application Method:
				a.	Use non-shred roller or notched squeegee to the still moist substrate.
				b.	Carefully scrub it into the pores with a long handled scrub brush.
				c.	Follow with a roller to achieve a uniform coverage.
	** NOTE TO SPECIFIER ** The following four paragraphs apply to VAPORTIGHT COAT - SG3 and SG4. Delete paragraphs if not required.
		C.	Where specified install leveling course as per manufacturer's specifications and recommendations.
		D.	Where specified install floor covering as per manufacturer's specifications and recommendations.
		E.	Cementitious Underlayment Installation: Water based adhesives under VCT, sheet vinyl, linoleum, rubber backed carpet or other non-breathable flooring systems require a cementitious underlayment on top of the concrete floor sealer for their curing process.
			1.	Consult adhesive manufacturer for recommended minimum thickness of cementitious underlayment.
		F.	Pressure Sensitive Adhesives Directly Over Concrete Floor Sealer: "Tack" time will need to be longer than what is listed in manufacturer's literature to prevent adhesive moisture entrapment. Consult manufacturer for more information.
	** NOTE TO SPECIFIER ** The Following three paragraphs apply to VAPORTIGHT COAT - SG2. Delete paragraphs if not required.
		G.	Sand Broadcast: Within 2 minutes of sealer application, broadcast clean, dry, fresh water washed and dried No.20-50 silica sand (0.5 to 1.0 mm) to "rejection" (full broadcast) or at a rate up to 30 to 50 lbs per 100 sq ft (1.5 kg per sq m) into the fresh/wet concrete floor sealer.
			1.	Walk over fresh/wet SG2 using shoes with attached spikes.
		H.	Cure Time: 12 hours cure for fully broadcasted sealer as per manufacturer's instructions,
			1.	After Cure: Broom sweep and vacuum surface to remove loose sand.
		I.	Hydraulic Cement Underlayment:
	** NOTE TO SPECIFIER ** The clean, prepared surface of the sand is the priming system for the LEVEL-HF underlayment. No additional priming is required.
			1.	Mix and pour LEVEL-HF at 3/8 inch (9.5 mm) thickness over the firmly sanded SG2 surface as per manufacturer's instructions.
			2.	It is not necessary to re-test the substrate for moisture emissions prior to installing the concrete sealer or floor covering.
	** NOTE TO SPECIFIER ** Following article applies to VAPORTIGHT COAT - SG2. Delete article if not required.
	3.5	FIELD QUALITY CONTROL
		A.	There is no in-situ test method applicable for this system. Where specified, an entire unopened bag/unit of the product to be installed has to be sent to an independent testing facility to perform testing.
	3.6	ACCEPTANCE
		A.	Remove left over materials and any foreign material resulting from the work from the site.
		B.	Clean adjacent surfaces and materials.
	** NOTE TO SPECIFIER ** Delete paragraph if VAPORTIGHT COAT - SG2 is not required.
		C.	Protect the underlayment (LEVEL-HF) from abuse by other trades with plywood, Masonite, or other suitable protection materials
	END OF SECTION