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	SECTION 07185
	WATERPROOF TRAFFIC MEMBRANE
	Copyright 2007 - 2011 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** Tuff Industries, Inc.; Waterproof Traffic Membrane. . This section is based on the products of Tuff Industries, Inc., which is located at: 9570 Bottom Wood Lake Rd. Lake Country, BC, Canada V4V 1S7. Toll Free Tel: (877) 860-9333. Tel: (250) 766-1333. Fax: (250) 766-1366. Email: info@tufdek.com . Web: www.tufdek.com. . Tufdek Professional Series 66 mil waterproof vinyl traffic membrane is suitable for waterproofing horizontal surfaces over habitable spaces provided they are subject to not more than pedestrian traffic. Tufdek Tuf-Shield 2 Ply Walkable Roof System is composed of a 50 mil Tufdek Tuf-Shield vinyl base sheet fully adhered to the substrate with a 60 mil Tufdek Professional Series vinyl traffic membrane (cap sheet) fully adhered to the base sheet and hot air welded at the perimeters. Tufdek products are a waterproof floor, deck and roof system designed for your above grade wood or concrete deck, patio and walkable roof area. Available in a variety of colors to complement your projects exterior and perfect for all of your outdoor living needs, Tufdek adds the essential finishing touch.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Waterproof vinyl traffic membrane, single-ply, walkable roof surface.
		B.	Waterproof vinyl traffic membrane, two-ply walkable roof surface.
		C.	Waterproof vinyl traffic membrane for the following applications:
			1.	Balcony decks.
			2.	Roof decks.
			3.	Walkways.
			4.	Ramps.
			5.	Stairways.
			6.	Patios.
			7.	Above grade court yards.
			8.	Above grade swimming pool deck.
			9.	Hot tub decks.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 03300 - Cast-In-Place Concrete: Concrete flooring to receive vinyl flooring.
		B.	Section 06160 - Sheathing: Subfloor and plywood underlayment to receive vinyl flooring.
		C.	Section 06200 - Finish Carpentry: Moldings and trim at floor penetrations and terminations.
		D.	Section 07620 - Sheet Metal, Flashing and Trim: Scuppers, counter flashings, and fascias.
		E.	Section 07710 - Manufactured Roof Specialties: Scuppers, counter flashings, and fascias.
		F.	Section 15146 - Plumbing specialties: Roof drains, deck drains.
	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 D 4434 Standard Specifications for (Polyvinyl Chloride) Sheet Roofing. Trinity / ERD Report # 02732.09.04 / project 02750.06 LAB.
		B.	CCMC 07544 - Canadian Construction Materials Centre. Polyvinyl Chloride Roofing and Waterproof Membranes, "PVC Sheet - Applied Roofing" Type 4, Class B. Listing # 13293-L.
		C.	CAN/CGSB 37.54 - Canadian General Standards Board Standard for Roofing and Waterproofing Membrane, Sheet Applied, Flexible Polyvinyl Chloride. Trinity / ERD Report # P2770.05.07 - R1.
		D.	CAN/CGSB 37-GP-55M - Canadian General Standards Board Standard for Application of Flexible Polyvinyl Chloride Roofing and Waterproofing Membrane.
		E.	Intertek (Warnock Hersey) Certification, Quality Control and License to Mark as per Report # 3124471. Also listed with Intertek on www.spec-direct.com.
		F.	Underwriters Laboratories (UL): UL - 790 / ULC - S107 Standard Methods of Fire Tests of Roof Coverings. File # R25544.
		G.	Trinity ICC-ES AC39 Sections 4.13.4 and 4.15 (Wind Uplift and Impact Resistance). Report # T32800.08.10.
	1.4	DESIGN REQUIREMENTS
		A.	Drainage:
			1.	Slope: 1/4 inch in 12 inches (6mm in 305mm) recommended.
			2.	Direction: Slope towards drain.
			3.	Ponding Water: Acceptable.
		B.	Structural:
			1.	Tufdek membranes are acceptable for use with structures designed to support lightweight deck / roof assemblies.
			2.	Adequacy of the structural support must be verified by the owner or the owner's technical representative and is his sole responsibility to determine.
			3.	Potential live loads, such as snow or ponding water, should be considered.
		C.	Chemical Compatibility
			1.	Unless otherwise indicated in this section, Tufdek membranes must not come in contact with bituminous substances.
			2.	Tufdek membranes must not come into contact with polystyrene insulations.
			3.	Tufdek membrane is not affected by chemicals normally found in commercial / residential environments although the printed top surface can be removed under extremely harsh conditions. Contact Tufdek Technical Department for specific chemical incompatibilities.
	1.5	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	Product Data: Manufacturer's data sheets on each product to be used, including:
			1.	Preparation instructions and recommendations.
			2.	Storage and handling requirements and recommendations.
			3.	Installation methods.
		C.	Detail Drawings: Submit copies of manufacturer's standard detail drawings describing installation methods, seaming plan showing joints, termination details and interface with other materials as well as flashing conditions applicable to the project.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		D.	Selection Samples: For each finish product specified two complete sets of color samples 8 1/2 inches by 11 inches (216mm x 280mm), representing manufacturer's full range of available colors and patterns.
		E.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square representing actual product, color, and patterns.
		F.	Installer's qualifications.
	1.6	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: All primary products specified in this section will be supplied by a single manufacturer with a minimum of ten (10) years experience.
		B.	Installer Qualifications: All products listed in this section are to be installed by a single installer with a minimum of five (5) years demonstrated experience in installing products of the same type and scope as specified.
	** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
		C.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
			1.	Finish areas designated by Architect.
			2.	Do not proceed with remaining work until workmanship, color, and details are approved by Architect. Refinish mock-up area as required to produce acceptable work.
			3.	Pre Installation Meeting: Discuss waterproof practices and precautions applicable to this project.
	1.7	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
		B.	Store and dispose of hazardous materials, and materials contaminated by hazardous materials, in accordance with requirements of local authorities having jurisdiction.
		C.	Deliver all materials to the job site in their original, tightly-sealed container or unopened packaging.
		D.	All materials must be clearly labeled with the manufacturer's name and product identification.
		E.	All materials must be protected from damage during transit, handling, storage and installation. Leave all materials on pallets fully protected from moisture.
		F.	Reject damaged materials at delivery. Replace all damaged materials with new materials.
		G.	All materials shall be stored in a dry area and protected from the elements. Store membrane rolls flat on pallets.
		H.	Store adhesive at temperatures between 5 C (40 F) and 26 C (80 F): if adhesives are exposed to lower temperatures, verify usability with manufacturer before using.
		I.	Store all flammable materials in a cool, dry area away from sparks and open flames. Follow precautions outlined by manufacturer / supplier.
	1.8	AMBIENT CONDITIONS
		A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
	1.9	WARRANTY
		A.	At project closeout, provide to Owner or Owners Representative an executed copy of the manufacturer's standard limited warranty against manufacturing defect, outlining its terms, conditions, and exclusions from coverage.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Tufdek™ by Tuff Industries, which is located at: 9570 Bottom Wood Lake Rd. ; Lake Country, BC; Canada V4V 1S7; Toll Free Tel: 877-860-9333; Tel: 250-766-1333; Email: request info; Web: www.tufdek.com
	** 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 01600.
	2.2	APPLICATIONS/SCOPE
		A.	Apply vinyl flooring over all traffic bearing decks and roof decks in commercial, institutional and residential applications; restoration and new construction.
		B.	Fully adhered vinyl flooring without ballast to solid construction, suspended concrete or fir plywood, on flat, sloped and unusual configuration traffic decks.
	** NOTE TO SPECIFIER ** Delete the following paragraph of 2-ply system if not required.
	2.3	BASE SHEET MEMBRANE FOR TUFDEK TUF-SHIELD 2-PLY SYSTEM
		A.	Base Sheet Membrane:
			1.	Membrane Overall Thickness: 50 mil (1.26 mm).
				a.	Film Thickness Above Scrim: 21 mil top film.
				b.	Film Thickness Below Scrim: 21 mil bottom film.
			2.	Sheet Width: 64 inches (1625.6 mm) typical; other standard widths as applicable to project requirements and available from the manufacturer.
			3.	Weight: 45 oz/sq yd.
			4.	Elongation Tear Strength - ASTM D 751: PASS.
			5.	Dimensional Change - CGSB 37.54-95: PASS.
			6.	Accelerated Weathering - ASTM G 154 at 5000 hours: PASS.
			7.	Color: White top, grey back.
	2.4	TRAFFIC MEMBRANE
	** NOTE TO SPECIFIER ** Select specified membrane. Delete three of the next four paragraphs and modify the included text as instructed.
		A.	Solid Tufdek 66 Mil PVC Waterproof Traffic Membrane:
			1.	Membrane Overall Thickness: 66 mil (1.55 mm).
				a.	Film Thickness Above Scrim: 32 mil top film.
				b.	Film Thickness Below Scrim: 21 mil bottom film.
			2.	Sheet Width: 64 inches (1625.6 mm) typical; other standard widths as applicable to project requirements and available from the manufacturer.
			3.	Weight: 55 oz/sq yd.
			4.	Seam Strength - CGSB 37.54-95: PASS.
			5.	Elongation Tear Strength - ASTM D 751: PASS.
			6.	Dimensional Change - CGSB 37.54-95: PASS.
			7.	Accelerated Weathering - ASTM G 154 at 5000 hours: PASS.
	** NOTE TO SPECIFIER ** Select membrane color. Delete one of the next two paragraphs.
			8.	Color: Stone.
			9.	Color: Wicker.
		B.	Supreme Tufdek 66 Mil PVC Waterproof Traffic Membrane:
			1.	Membrane Overall Thickness: 66 mil (1.55 mm).
				a.	Film Thickness Above Scrim: 32 mil top film.
				b.	Film Thickness Below Scrim: 21 mil bottom film.
			2.	Sheet Width: 63.5 inches (1612.9 mm); other standard widths as applicable to project requirements and available from the manufacturer.
			3.	Weight: 55 oz/sq yd.
			4.	Seam Strength - CGSB 37.54-95: PASS.
			5.	Elongation Tear Strength - ASTM D 751: PASS.
			6.	Dimensional Change - CGSB 37.54-95: PASS.
			7.	Accelerated Weathering - ASTM G 154 at 5000 hours: PASS.
	** NOTE TO SPECIFIER ** Select membrane color. Delete two of the next three paragraphs.
			8.	Color: Graphite.
			9.	Color: Pearl.
			10.	Color: Walnut.
			11.	Color: Pewter.
			12.	Color: Bronze.
		C.	Designer Tufdek 66 Mil PVC Waterproof Traffic Membrane:
			1.	Membrane Overall Thickness: 66 mil (1.55 mm).
				a.	Film Thickness Above Scrim: 32 mil top film.
				b.	Film Thickness Below Scrim: 21 mil bottom film.
			2.	Sheet Width: 63.5 inches (1612.9 mm); other standard widths as applicable to project requirements and available from the manufacturer.
			3.	Weight: 55 oz/sq yd.
			4.	Seam Strength - CGSB 37.54-95: PASS.
			5.	Elongation Tear Strength - ASTM D 751: PASS.
			6.	Dimensional Change - CGSB 37.54-95: PASS.
			7.	Accelerated Weathering - ASTM G 154 at 5000 hours: PASS.
			8.	Color: Greystone Aggregate.
			9.	Color: Brownstone Aggregate.
			10.	Color: Fir Plank.
			11.	Color: Birch Plank.
	2.5	ADHESIVES
	** NOTE TO SPECIFIER ** Select Adhesive. Delete two of the next three paragraphs.
		A.	Tufdek I: Water-based synthetic polymer trowel on adhesive used for bonding all Tufdek membranes to flat horizontal wood and / or concrete surfaces, Shelf life 1 Year.
		B.	Tufdek II: Solvent based roll or brush on adhesive for bonding all Tufdek membranes to flat or vertical wood and / or concrete surfaces. Shelf life 1 Year.
	** NOTE TO SPECIFIER ** Delete if 2-ply system not required.
			1.	Use for adhering top ply to base ply in the Tufdek 2 ply system.
		C.	Tufdek Roll-On: Water-based synthetic polymer roll on adhesive used for bonding all Tufdek membranes to flat horizontal or vertical wood and / or concrete surfaces, Shelf life 1 Year.
	2.6	ACCESSORIES
	** NOTE TO SPECIFIER ** Retain only Accessories required on this project and delete all others. Modify the included text where instructed.
		A.	Tuf-Seal Drain: Spun aluminum drain with plastisol coated flange and removable clamping ring.
		B.	Tuf-Patch: Cement based floor leveling compound used for filling plywood gaps, knot holes and uneven surfaces, follow directions for mixing and application thickness on container.
		C.	Tuf-Seal Overflows: Welded aluminum overflows with plastisol coated flange and a 12 inch (304.8 mm) outflow pipe.
	** NOTE TO SPECIFIER ** Select Overflow Drain Diameter. Delete one of the next two paragraphs.
			1.	Drain Diameter: 2 inch (50.8 mm) o.d. (sloped at 10%).
			2.	Drain Diameter: 3 inch (76.2 mm) o.d. (sloped at 10%).
			3.	Drain Diameter: 2 inch (50.8 mm) i.d. (sloped at 0%).
		D.	Tuf-Clad H/D PVC Metal: 21 mil unreinforced membrane laminated to 24 gauge G-90 Galvanized steel fabricated by contractor into metal flashings and edge details.
	** NOTE TO SPECIFIER ** Select Flashing Membrane Color. Delete three of the next four paragraphs.
			1.	Color: Stone.
			2.	Color: Wicker.
			3.	Color: White.
			4.	Color: Black.
		E.	Tuf-Seal Box Scuppers: All aluminum construction with plastisol coating and welded exit pipe. 4 by 4 by12 inches (101 by 101 by 305 mm).
		F.	Tuf-Guard Prefabricated PVC Corners: Reinforced 60 mil (1.52 mm) flexible, pre-formed corners. Must be heat welded to field membrane.
	** NOTE TO SPECIFIER ** Select Color requirement. Delete one of the next two paragraphs and insert specified color where different from floor color.
			1.	Color: To match the specified flooring color.
			2.	Color: ____________.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until substrates have been properly prepared.
		B.	If substrate preparation is the responsibility of installer, notify Architect of unsatisfactory preparation before proceeding.
	3.2	PREPARATION
		A.	Clean surfaces thoroughly prior to installation.
		B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
	** NOTE TO SPECIFIER ** Delete the following paragraph if 2-ply system is not required.
	3.3	FULLY-ADHERED TUF-SHIELD "BASE PLY" MEMBRANE
		A.	Unroll the Tufdek Tuf-Shield membrane and position without stretching. Allow the membrane to relax for 15 minutes if the temperature is above 60 F (15 C), or at least 30 minutes if temperature is lower. Inspect membrane, remove or replace any product that is creased or damaged.
		B.	Lap sheets a minimum of 1.5 inches (38 mm) to allow for a continuous weld area leaving room for adjustments and trimming of seams if necessary.
		C.	Fold back one half the width of the membrane and apply Tufdek adhesive in accordance with the manufacturers written instructions. Upon proper curing of the recommended adhesive roll membrane into the adhesive and push out air as to not create wrinkles or bubbles under membrane. Fold back the remaining half, and repeat the process.
		D.	Refer to all manufacturer's instructions / specifications or contact Tufdek Technical Department for requirements.
		E.	Hot-air weld all seams with a continuous nominal 1.5 inch (38 mm) weld width.
		F.	Inspect all welded seams for continuity and integrity using a seam probe, rounded screwdriver or similar blunt object. Seam checks are to be made daily by the contractor.
	3.4	FULLY-ADHERED MEMBRANE
		A.	Unroll the Tufdek membrane and position without stretching. Allow the membrane to relax for 15 minutes if the temperature is above 60 F (15 C), or at least 30 minutes if temperature is lower. Inspect membrane, remove or replace any product that is creased or damaged.
		B.	Lap sheets a minimum of 1.5 inches (38 mm) to allow for a continuous weld area leaving room for adjustments and trimming of seams if necessary.
	** NOTE TO SPECIFIER ** Delete if 2 ply system not required.
			1.	For 2 ply system, stagger the seams on the top ply to ensure that they are not directly on top of the base ply seams; to avoid build up of materials.
		C.	Fold back one half the width of the membrane and apply Tufdek adhesive in accordance with the manufacturers written instructions. Upon proper curing of the recommended adhesive roll membrane into the adhesive and push out air as to not create wrinkles or bubbles under membrane. Fold back the remaining half, and repeat the process.
		D.	Refer to all manufacturer's instructions / specifications or contact Tufdek Technical Department for requirements.
		E.	Hot-air weld all seams with a continuous nominal 1 inch (25 mm) weld width.
		F.	Inspect all welded seams for continuity and integrity using a seam probe, rounded screwdriver or similar blunt object. Seam checks are to be made daily by the contractor.
	3.5	FLASHINGS
		A.	Install Tuf-Clad PVC metal and / or membrane flashings and hot air weld according to manufacturer's instructions.
		B.	Install all flashings concurrently with the membrane as Work progresses.
	3.6	INSTALLATION
		A.	Install in accordance with manufacturer's instructions.
	3.7	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION