1 P E R M A N E N T. LIGHTWEIGHT. E C O N O M I C A L. Pomona College Studio Art Hall, Claremont, CA, 32,000sf, R30 minimum NON-COMBUSTIBLE. R E S I S TA N T T O. WIND UPLIFT. APPROVED STRONG. POSITIVE. The SLOPE-TO-DRAIN. C O M PAT I B L E. WITH ROOFING. I N S U L AT I V E ELASTIZELL . D I M E N S I O N A L LY. S T A B L E E A S I LY Advantage R E - R O O FA B L E. FOR QUALITY LOW DENSITY. AIR BARRIER. INSULATING CONCRETE ROOF DECKS. IMPROVES R-VALUE. P E R M A N E N T. E C O N O M I C A L. NON-COMBUSTIBLE. R E S I S TA N T T O. WIND UPLIFT. APPROVED STRONG. POSITIVE. SLOPE-TO-DRAIN. SUPERIOR Cellular Concrete FOR RE-ROOFING. ELASTIZELL ADVANTAGES. CANT ELASTIZELL . (2 MINIMUM) EPS GALVANIZED EPS ELASTIZELL . INSULATION BOARD SINGLE-PLY OR STEEL DECK INSULATION BOARD (2 MINIMUM). (OPTIONAL) BUILT-UP ROOFING (OPTIONAL). SINGLE-PLY OR. BUILT-UP ROOFING. STRUCTURAL DECK. OVER PRECAST OR STRUCTURAL CONCRETE OVER GALVANIZED STEEL DECKS.
2 ELASTIZELL Roof Decks are an excellent composite insulation ELASTIZELL Roof Decks do not require the slotted steel decks system over precast and cast-in-place concrete. Since demanded by wet aggregate concretes. ELASTIZELL may be cast bottom-side venting provisions are difficult, perimeter venting over either slotted or non-slotted steel decks according to local should be considered at the flashing/counter flashing detail. conditions. Specify ELASTIZELL over G-60 or G-90 galvanized steel centering since painted steel deck is unsuitable for the direct application of any concrete. For more than 50 years, the ELASTIZELL Corporation of America PERMANENT. has researched, developed, tested and improved the ELASTIZELL ELASTIZELL Roof Decks completely encapsulate the EPS. Roof Deck System. insulation board within the system. When re-roofing, only ELASTIZELL Roof Decks have numerous wind uplift, fire and seismic the membrane needs to be replaced.
3 Ratings with both mechanically fastened, built-up roofing systems and fully adhered single ply membranes. POSITIVE DRAINAGE. ELASTIZELL Roof Decks provide positive drainage in both new Major roofing manufacturers accept ELASTIZELL Roof Decks with construction and re-roofing applications. Positive drainage their warranted membranes. patterns are achieved by combining a stair-stepped EPS. insulation board with custom sloping of the ELASTIZELL Advantages of ELASTIZELL low density insulating concrete over the EPS board. VERSATILE. FIRE RATINGS/NON-COMBUSTIBLE. ELASTIZELL Roof Decks can be placed over precast or cast- ELASTIZELL Roof Decks have numerous fire in-place concrete, as well as galvanized (G-60 or G-90). assemblies are non-combustible and do not require fire- steel decking. EPS insulation board increases R-values and proofing of the underside of the steel deck or a thermal reduces dead load, with system weights as low as 8 to 9 psf.
4 Barrier that is necessary with rigid board flutes R E-ROOFABILITY & NEW CONSTRUCTION of the metal deck are filled, eliminating the fire channel. ELASTIZELL Roof Decks encapsulates EPS board within the See the back page for a listing of UL fire ratings. system. The EPS board is bonded to the deck in new EXCELLENT WIND UPLIFT. construction or to the existing deck in re-roofing appli- ELASTIZELL Roof Decks perform as an air retarder providing cations. When combined with EPS insulation, ELASTIZELL excellent wind uplift performance. It bonds the EPS board Roof Decks provide a solid base for roofing membranes to the structural deck, filling depressions and deck flutes. with custom slope-to-drain capability. The EPS insula- ELASTIZELL Roof Decks have numerous UL, FM, and Miami- tion is protected within the system for a permanent LTTR. Dade County wind uplift ratings. See the back page for (Long Term Thermal Resistance). web links to these approvals.
5 SPEED. CONSTRUCTABILITY. Roofing may begin when the ELASTIZELL Roof Deck can Flat decks are simpler to design and easier to construct withstand foot traffic typically two to three days after than a sloped structure. Installation of HVAC components the deck is cast. The ELASTIZELL Roof Deck should not be is easier with a flat deck structure. ELASTIZELL Roof Decks left exposed for longer than five to seven days, especially provide a positive slope-to-drain system over flat decks, in dry climates. Crazing or cracking of the surface of the and are less expensive and time consuming than sloped deck is not detrimental to the roofing system. rigid insulation board systems. = ELASTIZELL . RE-ROOFING & SUSTAINABILITY. NEW FASCIA OVERLAPS. EXISTING FASCIA. NEW ROOFING MEMBRANE. ORIGINAL BUILT-UP ROOFING ELASTIZELL . AND INSULATION. PONDED WATER EPS. INSULATION BOARD. (OPTIONAL). BEFORE APPLICATION: PONDING WATER DAMAGE AFTER: ELASTIZELL SLOPE-TO-DRAIN SYSTEM.
6 ELASTIZELL Superior for Re-Roofing Best Sustainable Option Problem ELASTIZELL and LEED. Insulation board systems typically require total tear-off in re- ELASTIZELL Low Density Insulating Concrete Roof Decks have roofing applications. This is because the board has lost its strength and insulation value. Total tear-off is risky and can pose a threat been used on many LEED certified projects. ELASTIZELL Roof to the building's interior. A great deal of debris must be hauled to Decks assist with a number of LEED points in several landfills a costly operation which is time consuming and environ- sections of the LEED Rating system. Please see our website mentally unacceptable. at for further details. Two inches of ELASTIZELL low density insulating concrete adds 7 to ELASTIZELL Roof Decks are accepted as a Green product 9 psf to the structure. Two inches of ponded water adds 10 psf by BuildingGreen, Inc., publishers of Environmental dead load.
7 Building News, Green Building Advisor, and GreenSpec. Discussion ELASTIZELL Roof Decks reduce energy load A major Advantage of the ELASTIZELL re-roofing system is that it may requirements, and facilitate renovations by resloping be applied directly over the existing roof to correct drainage. The and increasing R-values. addition of EPS insulation board encapsulated within the ELASTIZELL provides increased thermal insulation and a permanent, solid base ELASTIZELL Roof Decks are a durable, sustainable, and low- for the final roofing membrane system. If portions of the existing maintenance system. Due to all these features, ELASTIZELL insulation are wet or deteriorated, they should be replaced. If Roof Decks are listed in the GreenSpec Directory. the old roof remains in place, the mess, time, and expense of tear-off are avoided. ELASTIZELL Roof Decks help reduce overall energy consumption by providing permanent insulation that does STEP BY STEP RE-ROOFING PROCEDURE: not suffer from the thermal drift characteristics associated 1.
8 Check Existing Structure Analyze the existing system for with rigid board insulation. load carrying capability. 2. Remove Loose Gravel All loose gravel must be removed ELASTIZELL Roof Decks provide a heat sink beneath the from the roof deck. roofing membrane, which reduces thermal shock 3. Cast the ELASTIZELL Roof Deck EPS insulation board is bonded from solar heat followed by cooling at night or by rain. to the deck as the ELASTIZELL deck is cast, slope-to-drain. The reduction in thermal shock lengthens the life of the 4. Apply New Membrane The roofing membrane is installed roofing membrane. according to manufacturer's specifications. 5. Perimeter Venting Perimeter Venting is provided at the flashing/counter flashing detail, whenever possible. = ELASTIZELL . PHYSICAL PROPERTIES. *NOTES: R-Value is based on the minimum dry density measured RANGE CAST AIR DRY 28 DAY MINIMUM R-VALUE AVERAGE. at a mean temperature of 75 F. DENSITY DENSITY COMPRESSIVE (per inch*) WEIGHT.
9 Per ASTM C518. (pcf) (pcf) STRENGTH (psi) (psf). Average weight is at average dry density. II 34 42 26 34 160 250 ~ III 42 48 34 40 250 350 ~ TYPICAL R-VALUES & LOADS OVER 1-1/2 22 GAUGE STEEL DECK. *NOTES: This data is a general guideline only, and not for a AVERAGE THICKNESSES RANGE II ELASTIZELL RANGE III ELASTIZELL . specific project. ELASTIZELL EPS Nailed Base & MOD Bit or BUR Fully Adhered Single-Ply Roof Deck System weight is for the ELASTIZELL & EPS only 0 R~ psf R~ psf (EPS = pcf, R4/inch). 4 R~ psf R~ psf Average membrane dead loads 7 R~ psf R~ psf should be confirmed by specific manufacturer BUR = ~ psf, Mod Bit = ~ psf, Single Ply = ~ psf UL FIRE-RATINGS. Unprotected Steel Deck P902, P903, P907, P908, P919, P920, Precast Concrete Deck P921, P922, P923, P925, P926, P927, Exposed: P905, P910, P913, P916. P928, P929, P930, P936, P937. Sprayed Fireproofing: P708, P737, P810, P812. Protected Steel Deck Armstrong Ceilings: P215, P216, P231, P251 Other Commonly Used D708, D750, D755, D759, D768, Assemblies: D775, D832, D902, D916, D919, Other Tile Ceilings: P214, P241, P246, P255, P261, P264.
10 D922, D923, D925, D927, D929. Plaster Ceiling: P405, P406, P407, P410, P411. Gypsum Board Ceiling: P501, P503, P509, P511, P513, P514, P520. Guides and Approvals Underwriters Laboratories: Factory Mutual Approval Guide: Wind Uplift Class 90 Construction No. 155 Non-combustible & Class I Roof Deck Construction Fire Ratings Multiple listings (see above) ICBO: Unified Facilities Guide Specification: Report Nos. 1381 and 3081. Section 035200 Aug. 2011, Lightweight Concrete California State Fire Marshall: Roof Insulation Listing 1060-510:1 & 1060-510:2. FM Approvals: City of Los Angeles: ELASTIZELL Roof Decks are listed in over 34,000 approved Research Report No. 23982. assemblies listed with FM's RoofNav. These include new construction, re-cover, and re-roof assemblies. Specific Miami-Dade County (Florida): assembly details can be found at Current NOA: Web Links for Specific System Information For a current Standard Specification for ELASTIZELL Roof Decks: ELASTIZELL Roof Deck approvals: Wind Uplift approvals: Fire Rated System details: Corporate Office PO Box 1462 Ann Arbor, MI 48106 PH (734) 761-6900 FAX (734) 761-8016.