Sika Sarnafil


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  • Common problem with many owners of second-level deck facing is how to effectively deck waterproof the pavement, so they can get dry storage space below. There are indications that several options can be considered, although most of the tasks is not entirely DIY, but need the professional contractor.
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Sika Sarnafil

  1. 1. Sarnafil Green Roof Systems.
  2. 2. With the increased desire for high-performance buildings and sustainable building products, green roofs have become a “growing” roofing option in North America. A “green roof,” also known as a garden roof, vegetated roof, or eco-roof, is simply a planted area on a flat or sloped roof. While conventional gardens on a rooftop usually consist of a few pots and planters, a green roof system can cover the whole roof area with the cultivation of plant life. And depending on the type of green roof, you can have everything from low growing grass and moss to trees, shrubs, ponds and more.
  3. 3. Today’s green roofs are modern versions of cen- turies old roofing practices. From the hanging gardens of Babylon, to the sod roofs in Iceland during the Viking era, adaptations of earth- covered roofs have been around for many years. In Europe, extensive research and testing on how to waterproof green roofs started in the early 1970’s. This work resulted in today’s time-proven waterproofing solutions, allowing durable and sustainable green roofs to “grow” in popularity. Green roofs can now be found throughout Europe, as well as in North America and across the world. Green roofs are becoming a common roofing option, turning some of our green-starved cities, into a living habitat for nature. On the Cover: The Posner Center, Carnegie Mellon University, Pittsburgh, PA Challenge: Choosing a green roof system that would stand up to the challenges of this unique installation and protect the rare and historic books housed inside. Sarnafil World Class Roofing and Waterproofing
  4. 4. “Green roofs are healthy, sustainable and regenerative roof landscapes that can help protect our environment by diminishing developmental impacts on our communities.” Sarnafil. The Advantages are Growing. As you can imagine, the addition of Reducing Energy Consumption: Improved Air Quality: Green roofs are great insulators. Green roofs filter air by absorbing and a green roof to an otherwise unused They can reduce peak energy demand converting carbon dioxide to oxygen. area on a building, is beneficial for by lowering a building’s cooling costs in the summer months and heating costs LEED® Points: the surrounding environment. Initial The U.S. Green Building Council’s in the winter months. loss of “green” space and its inher- (USGBC) LEED program is a rating ent natural processes like photosyn- Reducing the Urban Heat system for the design and construction Island Effect: of high-performance, sustainable buildings. thesis are restored; now just a few More green roofs and fewer dark colored Green roofs qualify for at least two points stories higher. But green roofs also roofs equal a cooler city. Dark roofs retain and contribute to more under specific heat while plants naturally cool their conditions. have other benefits that you might surrounding environments through not be aware of. evapotranspiration cycles. In cities where Sound Insulation: Soil and plants are an effective the ambient temperature can be up to sound insulator. 10 degrees hotter than the surrounding Storm-Water Retention: areas, green roofs can help bring the Aesthetics: During heavy rainfalls, runoff from surfaces overall temperature down. Green roofs are visually stimulating such as pavements and rooftops can cause serious problems such as sewer overflow and can make great areas for recreation Waterproofing Membrane and water pollution. Green roofs slow and pleasure. Protection: down the water flow by retaining up to A green roof protects the waterproofing Increased Property Value: 75% of the rainwater, thus alleviating the membrane from damaging UV rays, Installing a green roof can increase pressure on storm-water infrastructures. freeze-thaw cycling and repeated foot property value by providing a valuable traffic, extending its lifespan. Some green building asset. roofs in Europe have lasted more than 40 years without being replaced. Chicago City Hall, Chicago, IL Phoenix Zepplin, Czech Republic
  5. 5. Project The Pulitzer Foundation for the Arts, St. Louis, MO Design Architect Tadao Ando Architect and Associates, Osaka, Japan Architect of Record Christner, Inc., St. Louis, MO Landscape Architect SWT Associates, St. Louis, MO Green Roof Installer Rand Rosenthal, St. Louis, MO Waterproofing Installer Bartch Roofing Company, Inc., St. Louis, MO Sarnafil Waterproofing System Sarnafil Loose-laid System, G476 Membrane Project Size 3,640 sq. ft. Owner Emily Rauh Pulitzer
  6. 6. Project St. Louis Children’s Hospital, St. Louis, MO Architect Cannon Design, St. Louis, MO Landscape Architect Edaw Inc., Fort Collins, CO Green Roof Contractor McGrath and Associates Inc., St. Louis, MO Green Roof Installer A Waldbart and Sons Nursery, Hazelwood, MO Waterproofing Installer Bi-state Roof Systems Inc., St. Louis, MO Sarnafil Waterproofing System Sarnafil Adhered and Grid System, G476 Membrane Project Size 8,000 sq. ft. Owner BJC Health Systems
  7. 7. “When you specify a Sarnafil Green Roof, you get more than watertight security, you get peace of mind knowing you made the right choice.” Sarnafil. Because Performance is Mandatory. Why Choose Sarnafil? membrane is specially designed for wildflowers and moss. Extensive roofs Performance over time is the only true sub-grade environments, compounded to are often used in areas that will not be test of a waterproofing system’s quality. remain watertight in extreme conditions subject to regular traffic. Sarnafil has been waterproofing green including constant dampness, ponding Intensive green roofs are generally roofs and other landscaped areas across water, high and low alkaline conditions heavier, cost more and require more Europe for over 35 years and in the and exposure to plant roots, fungi and maintenance. However, because the United States for over 25 years. bacterial organisms. soil is deeper, intensive green roofs can With close to 4 billion square feet of accommodate trees, shrubs, bushes and roofing and waterproofing membrane Extensive and Intensive There are two Green Roof categories: vegetable gardens. It is not uncommon installed worldwide, architects, specifiers to see an intensive green roof used for and building owners know they can Extensive and Intensive. recreational purposes. depend on Sarnafil for proven products Extensive green roofs are generally lower and system performance. in weight and cost and require less plant maintenance. With only a few inches of When you specify a Sarnafil Green Roof, soil, extensive green roofs typically you get more than watertight security; support plants that are tolerant of high you get peace of mind knowing you heat, drought, wind and frost like grasses, made the right choice. The Sarnafil G476 Life Expressions Chiropractic Center, Sugarloaf, PA St. Louis Children’s Hospital, St. Louis, MO Extensive Intensive Growth medium 1- 6 inches Growth medium 6 or more inches Lightweight 12-50 lbs/sf Heavier weight 50 or more lbs/sf Low growing plants Trees, shrubs, gardens, and more Low maintenance Higher maintenance Low water requirements Irrigation usually necessary Usually non-accessible Designed for human recreation Slopes up to 30 degrees Only used on low slopes
  8. 8. “Sarnafil provides the flexibility to choose the green roof application that best fits your building’s design criteria.” Sarnafil. Designed to Meet Your Needs. Sarnafil has green roof systems Sarnafil’s Grid More Sarnafil Benefits Waterproofing System Sarnafil’s waterproofing membrane is for use on both concrete and For projects where the substrate is specially designed for sub-grade environ- metal deck applications. Sarnafil contaminated or you need to go over a ments. The G476 membrane is available provides the flexibility to choose previously failed waterproofing system, in a range of thicknesses to match your Sarnafil has designed the grid system. application, overburden type and specific the application that best fits your The grid system combines all the project requirements. Highly puncture building’s design criteria. advantages of a loose-laid membrane resistant, its bright orange color makes installation with the added security of it easy to identify and inspect to maintain adhered membrane grid strips, or water- high levels of quality assurance and Sarnafil’s Adhered stops, for exceptional performance. It is control during installation. Waterproofing System especially effective in retrofit applications When your building demands absolute Root Resistance where existing waterproofing membranes system integrity with maximum Many waterproofing membranes are not are difficult or costly to remove. watertight security, Sarnafil’s adhered resistant to root penetration. They fail, membrane is the installation for you. Advantages: often in five years or less, due to root Sarnafil’s adhered waterproofing › The adhered grid strips act as a sub- infiltration into the field seams and flash- membrane is bonded directly to the membrane waterstop minimizing any water ings. Sarnafil membranes are inherently substrate providing the best protection migration below the waterproofing membrane root and algae resistant and require no against water migration. If a leak does › Optional monitoring drains can be installed additional barriers to be added to the occur, water migration will be limited. in each grid area as a control and alerting system. Sarnafil membranes have passed This system is ideal for buildings that mechanism, and to allow the repair of the most stringent European tests for protect sensitive or expensive equipment minor damage without overburden removal. root resistance including both the German and inventory. The monitoring drains also provide a means FLL and the Swiss SIA 280 standards. to test each section before and after the The FLL standard test exposes the Advantages: installation of the overburden waterproofing membrane to 4 years of › Limits water migration › The systems can be installed economically accelerated root growth. over existing waterproofing with minimal › Reduces the risk of expensive removal deck preparation and removal and replacement of overburden Heat Welded Seams and Flashings Faulty seams and details are a common * Note: For green roof applications on a metal deck, source of leaks in green roofs. Some Sarnafil’s G476 membrane is loosely laid over rigid insulation or hardboard. waterproofing membranes use sealants, adhesives or tapes to secure the seams, but because Sarnafil’s membrane is thermoplastic, seams and flashings are welded together using Sarnafil’s automatic hot-air welder, the Sarnamatic. When welded together, the sheets become one monolithic layer of material impervious to moisture infiltration.
  9. 9. Oaklyn Branch Library — Evansville, IN Sarnafil’s unique Milestone Management process is the key to a successful installation. From specification assistance Sarnafil Green Roof over Metal Deck to installation, our "hands on approach" is designed to make any project an Vegetation easier task for you. Here’s how we help make the process go smoothly: Growth Medium Proven Materials A high quality membrane is the key to any Drainage Composite successful roofing or waterproofing project Sarnafil Membrane that demands absolute system integrity. With that in mind, Sarnafil’s manufacturing Separation Layer process uses only the highest quality Insulation materials to produce a monolithic, non- laminated membrane that offers excellent Thermal Barrier (as required) weatherablility and dimensional stability. Expert Assistance Metal Deck Our skilled technical experts make Sarnafil stand apart from other manufacturers. We’re involved at each major milestone – offering design assistance to architects and specifiers if needed, reviewing Notice of Award documentation, and training Sarnafil Green Roof over Concrete Deck authorized applicators in the classroom and at the job site. Skillful Workmanship Vegetation Unlike most other roofing and water- proofing manufacturers, Sarnafil does Growth Medium not sell through distributors. Instead, we sell directly to a select group of trained, Filter Fabric authorized applicators – only the best are invited to join our team. Maintaining strict Insulation control over the installation process means that Sarnafil quality is carried through from start to finish. Drainage Composite Sarnafil Membrane Concrete Deck Warranty Options Sarnafil offers several types of warranties, including 5, 10 and 15 year durations: › Waterproofing Membrane only › Waterproofing Labor and Material (Standard) › Full System* Sarnafil * Sarnafil offers a full system warranty including waterproofing and green roof through our Green Roof Management Program.
  10. 10. Quick Reference Guide Green roof systems provide… Sarnafil Green Roof Systems provide… Storm Water Retention: Green roofs greatly lessen erosion and storm water burden Proven Performance on sewer systems • An industry veteran, Sarnafil has produced almost 4 billion sq. ft. of membrane since 1964 • The same basic membrane formulation that has protected buildings for more than 40 years Reduction in Energy Consumption: Green roofs can reduce peak energy demand by • Material that consistently ranks as the highest quality thermoplastic membrane in lowering a building’s heating and cooling costs independent testing Reduction in the Urban Heat Island Effect: Dark roofs hold onto the heat while plants naturally cool their surrounding environments Watertight Integrity • Permanent watertight flashings and details with hot-air welded seams Waterproofing Membrane Protection: A green roof protects the waterproofing • The G476 membrane is designed for sub-grade environments such as constant dampness, membrane from damaging UV rays and freeze-thaw cycling, extending its lifespan ponding water, high and low alkaline conditions, exposure to plant roots, fungi and bacter- ial organisms Improved Air Quality: Green roofs filter air and produce oxygen Milestone Management LEED Points: Green roofs qualify for at least two points and contribute to more under • Proven Materials – Sarnafil’s manufacturing process uses only the highest quality specific conditions materials to produce a monolithic, non-laminated membrane that offers excellent waterproofing and dimensional stability Sound Insulation: Soil and plants can be a great sound insulator • Expert Assistance – We’re involved at each major milestone, offering design Aesthetics: Green roofs are visually stimulating and can make great areas for recreation assistance to architects and specifiers if needed and pleasure • Skillful Workmanship – We sell directly to a select group of trained, authorized Increased Property Value: Installing a green roof can increase property value by applicators – only the best are invited to join our team providing a valuable building asset. About Sarnafil Sarnafil is an international manufacturer of high-tech plastic membranes for a wide range of applications including roofing, waterproofing, and civil engineering. Since 1964, Sarnafil has manufactured close to 4 billion square feet of thermoplastic roofing and water- Sarnafil Inc. proofing membrane in Switzerland, 100 Dan Road China and the U.S. Sarnafil roofing and Canton, MA 02021 waterproofing systems protect some Telephone 1-800-451-2504 of the world’s most valuable structures Telefax 781-828-5365 and treasures, including schools and E-Mail universities, libraries, museums, Internet hospitals, commercial and government buildings, retail buildings and Olympic stadiums. For more information Sarnafil Ltd. about Sarnafil in the U.S., visit 1260 Lakeshore Road East Mississauga, Ontario L5E 3B8 Canada Telephone 1-800-268-0479 Telefax 905-271-6608 Internet ENERGY STAR 1157/5M/0106 Sarnafil – World Class Roofing and Waterproofing