SECTION SELF-ADHERING SHEET MEMBRANE WATERPROOFING

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1 SECTION PART 1 - GENERAL 1.1 SUMMARY A. Scope: 1. Apply waterproofing to: a. Exterior of walls below grade: 1) Waterproofing shall include exterior of walls surrounding elevator pits and sumps. 2) If not otherwise indicated, cover top of footing projections at below grade terminations. b. Underside of all basement structural slabs. 1) Waterproofing shall include underside of elevator foundation cap and sumps. c. Top side of below-grade slab over basement. d. Other areas indicated. B. Related documents 1. Section CAST-IN-PLACE CONCRETE. 2. Section CONCRETE JOINTING AND CURING. 1.2 QUALITY ASSURANCE A. ASTM Standards: 1. ASTM C836: Crack cycling. 2. ASTM D412: Tensile strength and ultimate elongation. 3. ASTM D570: Water absorption. 4. ASTM D4258: Surface cleaning of concrete. 5. ASTM D4263: Test for capillary moisture. 6. ASTM E154: Puncture resistance. 7. ASTM D1876: Peel Resistance of Adhesives. 8. ASTM D903: Peel Adhesion. 9. ASTM E96: Permeance. B. Applicator qualifications: 1. Not less than 5 similar sized projects with material specified. 2. Approved in writing by waterproofing manufacturer. 1.3 SUBMITTALS A. Product data: 1. Manufacturer s standard catalog cut sheets indicating product to be used, conformance to specifications, and installation procedures and details. 2. Submit test data from manufacturer on proposed waterproofing system. B. Project information: 1. Manufacturer certification of installer qualifications. 2. Product test reports from qualified independent testing agency evidencing compliance of waterproofing with physical properties and other requirements based on comprehensive testing in accordance with specified test methods within previous 5 years. C. Shop Drawings: 1. Submit shop drawings showing penetrations, sheet layout, special conditions and details not standard with the manufacturer

2 D. Contract closeout information: 1. Warranty. E. LEED Credit MRc4.1 and Credit MRc4.2, Recycled Content: 1. Provide list of proposed materials with recycled content. Indicate separate percentages, by weight, of pre-consumer and post-consumer recycled content per unit of product. Also include material costs, excluding cost of installation. 1.4 QUALITY ASSURANCE A. Applicator Qualifications: 1. Not less than 5 years successful experience on projects of similar size and scope using materials of the type indicated. 2. Submit letter from manufacturer stating that the applicator is certified to apply the system specified in this section. 3. Provide certification letter on manufacturer s letterhead and signed by an officer of the company. 4. Waterproof membrane products used on this project shall be of one manufacturer, unless noted specifically otherwise herein. Manufacturer must have not less than 3 years successful experience in the manufacture of the required materials. 1.5 WARRANTY A. Provide written warranty signed jointly by installer and manufacturer. B. Warrant waterproof integrity of installation, adhesion to substrate and against surface degradation. C. Warranty installation for period of 5 years from date of acceptance. 1.6 PRE-INSTALLATION MEETING A. Hold pre-installation meeting directed by Contractor prior to beginning of waterproofing to discuss following as a minimum: 1. Contract Document requirements. 2. Extent of waterproofing. 3. Substrate conditions, preparation, pretreatment and curing periods. 4. Waterproofing manufacturer s specifications and details. 5. Special details, flashings, and termination provisions. 6. Installation procedures and schedule. 7. Inspection, testing, and repairs. 8. Protection from damage by other work and environmental exposures. B. Attendance is recommended for: 1. Contractor. 2. Waterproofing installer s superintendent. 3. Waterproofing manufacturer s representative. 4. Supervisors of installers of substrates to receive waterproofing. 5. Supervisors of installers of construction to overlay waterproofing system. 6. Supervisors of other trades whose work may affect waterproofing system. 7. Independent testing agency s supervisor. C. Minimum two weeks prior to pre-construction meeting, forward following to Contractor for review: 1. Installation drawings. 2. Manufacturer s product data. 3. Product test reports. 4. Sample warranty. 5. Other information deemed pertinent for sound and secure application

3 D. Include review of specifications, details, application requirements, and preparatory work. 1.7 DELIVERY, STORAGE, AND HANDLING A. Deliver materials to project site in original packages with seals unbroken, labeled with manufacturer s name, product, date of manufacture, and directions for storage. B. Store materials in their original undamaged packages in a clean dry, protected location and within temperature range required by waterproofing manufacturer. 1. Protect stored materials from direct sunlight. 1.8 JOB CONDITIONS A. Verify suitability of substrate to accept installation. 1. Fill voids, thoroughly dry surface and remove dust. 2. Cure concrete surfaces for minimum 7 days prior to application of waterproofing. B. Install only when surface temperatures are above 40 DegF. C. Do not install on wet or frosted surface, or when rain or snow is expected. D. Provide adequate ventilation during installation. PART 2 - PRODUCTS 2.1 MATERIALS A. Acceptable manufacturers: 1. Below-grade Wall Waterproofing System: a. Base: 1) Bituthene 3000 by Grace Construction Products. b. Optional: 1) Carlisle Coatings and Waterproofing Incorporated. 2) Polyguard Products, Inc. 3) W. R. Meadows. 2. Underslab Waterproofing System: a. Base: 1) Preprufe 300R by Grace Construction Products. 3. Below-grade Slab Over Basement Waterproofing System: a. Base: 1) "Bituthene Deck System" by Grace Construction Products. b. Optional: 1) Carlisle Coatings and Waterproofing Incorporated. 2) Polyguard Products, Inc. 3) W. R. Meadows. 4. Other manufacturers desiring approval comply with Section B. Wall Waterproofing System: 1. Self-adhesive rubberized asphalt composite sheet membrane: a. Total minimum thickness: 60 mil thick, composite sheet consisting of: 1) Minimum 56 mil thick rubberized asphalt membrane laminated to; 2) Minimum 4 mil thick cross-laminated polyethylene film with release liner on adhesive side. b. Base Product: Bituthene 3000/Low Temperature Membrane by Grace. 2. Sheet shall be formulated for use with ambient and substrate temperatures at time of installation, and for use with primer or surface conditioner complying with VOC limits of authorities having jurisdiction. 3. Provide waterproofing complying with following physical properties:

4 a. Membrane Tensile strength: Minimum 325 PSI; ASTM D412. b. Ultimate elongation: Minimum 300 percent; ASTM D412. c. Crack Cycling at -32 degrees: No effect when tested in accordance with ASTM C836. d. Membrane Puncture Resistance: Minimum 50 LBS; ASTM E154. e. Peel Adhesion, concrete: 9 LBS/IN when tested in accordance with ASTM D903. f. Lap Adhesion, membrane: 4 LB/IN when tested in accordance with ASTM D1876. g. Vapor Transmission, Maximum Permeance: 0.05 Perms when tested in accordance with ASTM E96. h. Water absorption: Maximum 0.10 percent when tested in accordance with ASTM D570. C. Underslab Waterproofing System: 1. Pre-applied waterproofing membrane integrally bonded to poured concrete. a. Total minimum thickness IN. b. Base product: Preprufe 300R by Grace. 2. Provide waterproofing complying with the following properties: a. Membrane Tensile strength: Minimum 4000 PSI; ASTM D412. b. Ultimate elongation: Minimum 300 percent; ASTM D412. c. Crack Cycling at - 10 degrees: No effect when tested in accordance with ASTM C836. d. Membrane Puncture Resistance: Minimum 221 LBS; ASTM E154. e. Peel Adhesion, concrete: 5 LBS/IN when tested in accordance with ASTM D903. f. Lap Adhesion, membrane: 2.5 LB/IN when tested in accordance with ASTM D1876. g. Vapor Transmission, Maximum Permeance: 0.01 Perms when tested in accordance with ASTM E96. h. Water absorption: Maximum 0.5 percent when tested in accordance with ASTM D570. D. Below-grade Slab Over Basement Waterproofing System: 1. Self-adhesive rubberized asphalt composite sheet membrane: a. Total minimum thickness: 60 mil thick, composite sheet consisting of: 1) Minimum 56 mil thick rubberized asphalt membrane laminated to; 2) Minimum 4 mil thick cross-laminated polyethylene film with release liner on adhesive side. b. Base Product: Bituthene 4000/Low Temperature Membrane by Grace. 2. Bituthene System 4000 Surface Conditioner and compatible accessory products. 3. Sheet shall be formulated for use with ambient and substrate temperatures at time of installation, and for use with primer or surface conditioner complying with VOC limits of authorities having jurisdiction. 4. Provide waterproofing complying with following physical properties: a. Membrane Tensile strength: Minimum 325 PSI; ASTM D412. b. Ultimate elongation: Minimum 300 percent; ASTM D412. c. Crack Cycling at -32 degrees: No effect when tested in accordance with ASTM C836. d. Membrane Puncture Resistance: Minimum 50 LBS; ASTM E154. e. Peel Adhesion, concrete: 9 LBS/IN when tested in accordance with ASTM D903. f. Lap Adhesion, membrane: 5 LB/IN when tested in accordance with ASTM D1876. g. Vapor Transmission, Maximum Permeance: 0.05 Perms when tested in accordance with ASTM E96. h. Water absorption: Maximum 0.10 percent when tested in accordance with ASTM D Drainage Board: "Hydroduct 660" by Grace. 6. Asphalt hardboard protection course as recommended by Grace. E. Accessory materials:

5 1. Furnish accessory materials recommended by waterproofing manufacturer for intended use, compatibility with waterproofing sheet membrane and application temperature: a. Furnish liquid-type auxiliary materials that also comply with VOC limits of authorities having jurisdiction. 2. Surface Primer: CCW liquid primer recommended by manufacturer of sheet waterproofing material for substrate and application temperatures. 3. Sheet flashing: a. Self-adhering, polymer-modified rubberized-asphalt composite sheet of same material, construction, and thickness as waterproofing sheet membrane. 4. Liquid membrane: a. Elastomeric, 2-component, liquid, cold fluid-applied, trowel grade, or low viscosity as recommended by waterproofing manufacturer for application. 5. Liquid mastic and adhesives, and adhesive tapes recommended by waterproofing manufacturer. 6. Waterstop: a. Non-bentonite waterstop for non-moving concrete construction joints. F. Protection course fabric: 1. Vertical applications: a. Asphalt Hardboard: 1) Premolded semi-rigid protection board as recommended by the membrane manufacturer. G. Drainage Composite Panels: 1. Prefabricated drainage composite for vertical applications: a. Hydroduct 220 by Grace Construction Products, shall be provided to promote positive drainage while serving as a protection course. H. Rigid Board Insulation applications: Specified in Section I. Miscellaneous Materials: 1. Surface conditioner, mastic, liquid membrane, tape and accessories as acceptable to manufacturer of sheet membrane waterproofing. PART 3 - EXECUTION 3.1 PREPARATION A. Cure normal weight concrete minimum of 7 days, and 14 days for lightweight concrete with moisture content acceptable to waterproofing manufacturer. 1. Verify substrate is visibly dry and free of moisture. 2. Test for capillary moisture by plastic sheet method according to ASTM D4263. B. Clean, prepare and treat substrate according to manufacturer s written instructions, to provide clean, dust-free, and dry substrate for waterproofing application. C. Mask off adjoining surfaces not receiving waterproofing to prevent spillage affecting other construction. D. Remove grease, oil, form release agents, paints, and other penetrating contaminants from concrete. E. Remove fins, ridges, mortar, and other projections and fill honeycomb, aggregate pockets, holes, and other voids. F. Prepare, treat, and cover expansion joints and discontinuous joints according to the manufacturer s written instructions. G. Prepare, fill, prime, and treat joints and cracks in substrate:

6 1. Remove dust and dirt from joints and cracks according to ASTM D4258. H. Prime as recommended by manufacturer. 3.2 MEMBRANE INSTALLATION PENETRATION, TRANSITION AND TERMINATION DETAILS A. Construction joint, control joints, cracks and voids exceeding 1/16 IN: Fill with liquid membrane and install 8 IN membrane strip. B. Expansion joints where anticipated movement is less than 1/2 IN: Install 3-ply membrane system as recommended by manufacturer. C. Vertical Inside and Outside Corners: Prepare, prime, and treat inside corners according to waterproofing manufacturer s writing instructions: 1. Install 12 IN membrane strip centered over vertical corners. D. Horizontal Inside corners including foundation wall to footing intersections: Prepare, prime, and treat inside corners according to waterproofing manufacturer s written instructions: 1. Install 3/4 IN fillets of liquid membrane. 2. Extend liquid membrane each direction from corner or install membrane strip centered over corner. E. Horizontal outside corners: Prepare and treat outside corners according to waterproofing manufacturer s written instructions. 1. Apply double layer overlapping membranes. F. Drains: 1. Apply a double layer of membrane extending 12 IN beyond drain. 2. Install field sheet centered over drain. G. Pipes, posts, conduits, and similar penetrations: 1. Apply a double layer of membrane extending out at least 6 IN from the penetrating item in all directions. 2. Seal with mastic or liquid membrane product. 3. Coordinate detailing at penetrations made after waterproofing system is complete with subcontractors responsible for penetrations. H. Prepare, treat, and seal vertical and horizontal surfaces at terminations and penetrations through waterproofing and at protrusions according to waterproofing manufacturer s written instructions. 1. At top of wall conditions: Terminate membrane below final grade. a. Apply mastic to terminations and joints. 3.3 SELF-ADHERING COMPOSITE SHEET APPLICATION A. Install self-adhering composite sheet according to waterproofing manufacturer s written instructions. B. Apply primer to substrate at required rate and allow to dry: 1. Limit priming to areas that will be covered by waterproofing membrane in same day. 2. Re-prime areas exposed for more than 24 hours. C. Apply and firmly adhere sheet membrane over area to receive waterproofing: 1. Accurately align sheets and maintain uniform 2 1/2 IN minimum lap widths and end laps. 2. Overlap and seal seams and stagger end laps to ensure watertight installation. 3. Roll laps of membrane installed on vertical surfaces, and roll membrane on sloping and horizontal surfaces. D. Apply continuous sheet membrane over membrane strips bridging each type of joint to dimensions required by manufacturer. E. Seal exposed edges of membrane terminations

7 F. Install sheet membrane and auxiliary materials to tie in adjacent waterproofing. G. Repair tears, voids, and lapped seams in waterproofing not meeting requirements: 1. Slit and flatten fishmouths and blisters. 2. Patch with sheet membrane extending 6 IN beyond repaired areas. H. Waterproofing Membrane must not be left exposed to construction traffic or ultraviolet rays for a period exceeding 10 days without protection. 3.4 HORIZONTAL SURFACE FLOOD TEST: A. Prior to placing of the finish concrete slab on horizontal surfaces, the areas shall be given 48 hour 2 IN deep minimum flood test. B. Drains shall be plugged and barriers placed to contain the water. C. 24 hours prior notification of the test shall be given to the Architect and manufacturer of the sheet membrane. 3.5 PROTECTION COURSE INSTALLATION A. Install protection course over waterproofing membrane using tape or adhesive according to manufacturer s written instructions and before commencing subsequent construction operations. B. Do not penetrate waterproofing, and do not use stick clips to install protection course. C. Minimize exposure of membrane. 3.6 DRAINAGE PANEL INSTALLATION A. Place and secure drainage panels according to manufacturer s written instructions. B. Use adhesives and mechanical fasteners recommended by manufacturer and that do not penetrate waterproofing. C. Do not penetrate waterproofing, and do not use stick clips to install protection course. D. Lap edges and ends of geotextile to maintain continuity. E. Protect installed panels during subsequent construction. F. Adhesively attach drainage board at top-of-wall termination. 1. Hold top of composite drainage board 6 IN below finish grade. 2. Fold fabric over and tuck into wall in such a way that will avoid intrusion of backfill material in to the drainage channels. 3.7 PROTECTING AND CLEANING A. Protect waterproofing from damage and wear during application and remainder of construction period, according to manufacturer s written instructions. B. Protect installed system from damage due to ultraviolet light exposure, physical abuse, and other causes. 1. Provide temporary coverings where system will be subject to abuse and cannot be concealed and protected by permanent construction immediately after installation. C. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction. END OF SECTION

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