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¨ Registered Trademarks of General Electric Company.ªTrademark of General Electric Company.One Plastics Avenue The technical support you need and deserve.Our growing portfolio of GE Structuredtechnologies from the industryÕs mostassistance thatÕs available to youÑfromTo optimize the use of GE StructuredProducts materials, please call:For Customer Service assistance, pleaseAlthough all information, recommendations, or advice contained here-in is given in good faith, no guarantee is made that the same results asany design, and General Electric Company, USA, its subsidiaries, affili-ates and authorized representatives shall in no event be held responsi-ble for any loss incurred through such use of the products. Each usershall make its own determination of the suitability of the products orany such information, recommendations or advice for its own particu-lar use. The products of General Electric Company, its subsidiaries oraffiliates are sold in any event subject to the Conditions of Sale consti-tuting part of the applicable representative or other sales agreement orprinted on the back of order acknowledgments or invoices or are avail-able upon request. Nothing in this or any other document or any oralrecommendation or advice shall be deemed to alter, vary, supersede, orsuggested uses of the materials or designs described herein are not toor as recommendations for use of such materials or designs in the 1 Plastics AvenuePittsfield, MA 01201(1667) Parque Industrial TortuitasAv. das Nacoes Unidas INSIDE FRONTCOVER ¨ Registered Trademarks of General Electric Company.ªTrademark of General Electric Company.One Plastics Avenue The technical support you need and deserve.Our growing portfolio of GE Structuredtechnologies from the industryÕs mostassistance thatÕs available to youÑfromTo optimize the use of GE StructuredProducts materials, please call:For Customer Service assistance, pleaseAlthough all information, recommendations, or advice contained here-in is given in good faith, no guarantee is made that the same results asany design, and General Electric Company, USA, its subsidiaries, affili-ates and authorized representatives shall in no event be held responsi-ble for any loss incurred through such use of the products. Each usershall make its own determination of the suitability of the products orany such information, recommendations or advice for its own particu-lar use. The products of General Electric Company, its subsidiaries oraffiliates are sold in any event subject to the Conditions of Sale consti-tuting part of the applicable representative or other sales agreement orprinted on the back of order acknowledgments or invoices or are avail-able upon request. Nothing in this or any other document or any oralrecommendation or advice shall be deemed to alter, vary, supersede, orsuggested uses of the materials or designs described herein are not toor as recommendations for use of such materials or designs in the 1 Plastics AvenuePittsfield, MA 01201(1667) Parque Industrial TortuitasAv. das Nacoes Unidas INSIDE BACK COVER(BLANK) +248¡F, and also after prolonged outdoor exposure.anvil. The round nosed dart, .5 inch diameter, is placed upon Gardner Impact AcrylicGlass 4F In a test developed by the Dutch Testing Institute TNO, Table 4 lists the results of a series of tests on three materials.zone, i.e. small indentations. GE Plastics offers a Ten YearLimited Warranty on LEXAN Thermoclear sheet covering loss Impact Strength Hail SimulationSports Ball Impact Hail Simulation Test ResultsMaterial.39 in..78 in.1.18 in.sheet 16 mm36-45 mph16-31 mph9-22 mphFloat glass 4 mm67 mph22 mph18 mphsheet 10 mm�111 mph98 mph63 mphsheet 16 mm�111 mph98 mph63 mphEquilibrium velocity hail31 mph47 mph56 mph maximum drop height: 39" maximum impact energy:29 ft-pds.falling dart weight: 8.8 poundscalibratedguide tubemetal round nosed punch .5 inch diamete r Lexan Thermoclear sheet specimen 1 inch Fig. 4Fig. 3Fig. 2 Gardner impact tester *See limited warranty for details3 necessary.Measure sheet edge engagement area (±.75 inch) andwhich the LTC sheet will be fitted.Select right LTC type, which fulfills loading requirements, Clamp the LTC sheet to a support table to avoid vibrationcircular or jig saw.compressed air.sealing tape supplier.DonÕtsDo not walk on LTC sheet at any time.Do not install LTC sheet with damaged tapes.Do not clean LTC sheet in hot sun or at elevated cellosove should never be used on LTC sheet. Wet Glazing Dry Glazing Metal frameGlazing filler tapeSilicone sealant Fig. 53Fig. 5424 Product availability* Product AvailabilityThermoclear sheet range of products carries a Ten YearLimited Warranty* against discoloration, loss of light Typical applications include:Atriums, Canopies and WalkwaysLEXAN Profiled Sheet has the sameand thermal properties as LEXAN Thermoclear sheet, but it doesnot feature the latterÕs proprietary surface protection against UVradiation. It is specifically recommended for internal secondary Polycarbonate ResinLEXAN¨ Thermoclear¨SheetLEXAN¨Thermoclear¨ Dripgard SheetLEXAN¨ Profiled Sheet 2 R - Twin Wall Rectangular Structure3 T - Triple Wall Structure4 RS - Four Wall Rectangular Structure5 RS - Five Wall Rectangular Structure6 RS - Six Wall Rectangular Structure LTD2R6LTD2R8 Product CodeGauge in InchesWidth in InchesLTC2R60.23648, 72LTC2R80.31248, 72, 83LTC 2R100.39548, 72, 83 LTC 3T160.62448, 72, 83Value Added ProductLTC 16/4RS 30000.62438.58, 49.21, 82.68LTC 20/5RS 33000.78738.58, 47.24, 82.68LTC 25/6RS 35000.98438.5, 47, 49LTC VenetianAsk for availability 1* See limited warranty for details Property PrTypical property values for LEXAN Thermoclear Sheet (LTC), LEXAN Thermoclear Dripgard Sheet (LTD) and LEXAN Profiled Sheet (LPS) are indicated in the following table:Sheet thickness mm681016162025Structures2R62R82R103T164RS5RS6RS1300170020002800300033003500.27.35.41.57.61.68.72Light transmission %82828076756444Solar transmission %86868582807558Light transmission % 5050505023Light transmission %3535Light transmission %40404040Light transmission %20202020Light transmission %483824U.Value Btu/Hr x Ftx ûF0.610.580.520.420.370.310.27 Multiwall Sheet ASTMUNITSVICAT VST/B/120¡F293HDT@264 PSID648¡F275Thermal conductivityC177BTU/HR x Ftx ûF1.35Coefficient of linear thermal expansionD696In/In ¡F3.75 x 10Refractive indexD542-1.586 Typical properties 2 5559636974788286909498102106110 118126 LTC2R8 RADIUS, inches 12.5psf16.5psf21psf25psf29psf33psf41psf41psf Uniform Loading Rafter Spacing in Inches 6974788286909498102106110118126134 LTC2R10 RADIUS, inches 12.5psf16.5psf21psf25psf29psf33psf37psf41psf Uniform Loading Rafter Spacing in Inches 110118126134142150158166174182190 LTC3T16 RADIUS, inches 12.5psf16.5psf21psf25psf29psf33psf37psf41psf Uniform Loading Rafter Spacing in Inches longitudinally, never across the width of the sheet. Sheet length ÔLÕ needs to be greater than sheet width ÔWÕ togeometry. To determine the required rafter spacing, find the graph that center to center distance betwee n curved support raftersradius ©R©span LEXAN ThermoclearMin. Radiussheet thicknessinches6418551069161102013825173 Fig. 50 4147515559636974788286909498 LTC2R6 12.5psf16.5psf21psf25psf29psf33psf37psf41psf Uniform Loading Rafter Spacing in Inches +248¡F, and also after prolonged outdoor exposure.anvil. The round nosed dart, .5 inch diameter, is placed upon Gardner Impact AcrylicGlass 4F In a test developed by the Dutch Testing Institute TNO, Table 4 lists the results of a series of tests on three materials.zone, i.e. small indentations. GE Plastics offers a Ten YearLimited Warranty on LEXAN Thermoclear sheet covering loss Impact Strength Hail SimulationSports Ball Impact Hail Simulation Test ResultsMaterial.39 in..78 in.1.18 in.sheet 16 mm36-45 mph16-31 mph9-22 mphFloat glass 4 mm67 mph22 mph18 mphsheet 10 mm�111 mph98 mph63 mphsheet 16 mm�111 mph98 mph63 mphEquilibrium velocity hail31 mph47 mph56 mph maximum drop height: 39" maximum impact energy:29 ft-pds.falling dart weight: 8.8 poundscalibratedguide tubemetal round nosed punch .5 inch diamete r Lexan Thermoclear sheet specimen 1 inch Fig. 4Fig. 3Fig. 2 Gardner impact tester *See limited warranty for details3 Physical PropertiesUV-B Middle ultra-violet region280 - 315 nmUV-A Near ultra-violet region315 - 380 nmVisible light region380 - 780 nmNear infra-red region780 - 1400 nmMiddle infra-red region1400 - 3000 nmwarehouse, museum or shopping center.released as infra-red energy. The insulating properties ofTransparent grades of LEXAN82% depending upon thickness. However, for buildings in hotsheet is available in translucent grades of bronze, grey, blue,in the summer.Table 7 outlines the overall solar control properties of Temperature the Building Solar Control Solar Heat Gain Total Solar Transmission (ST) in %LTCLTCLTCLTCLTC16LTC20LTC25Material2R62R82R103T164RS5RS6RSClear 112868685828075585109606060335150555555825074505082507530303082995716534 Fig. 6Fig. 74 Outdoor Wfor further erosion from water, dust, chemicals etc. The degreeLEXAN Thermoclear sheet has a UV-protected surface, resistance, color retention, transparency, etc.simulate natural sunlight. Together with other suitable UV and the solar intensity.temperature flexural modulus at 176¡F. The Vicat softeningtemperature and the Deflection Temperature Under Load ofLEXAN polycarbonate are both around 284¡F.ous-use temperature has been set at -40¡F. Using LEXANembrittlement temperature can be as low as -80¡F. Temperature Resistance Typical Values of GE Plastics offers a Ten Year Limited Warranty on LEXAN *As rated by UL. *Test performed on 20mm Thermoclear Various PrU.L. Temperature Ratings UL746BContinuous-use Temperature RatingLEXAN Polycarbonate212¡FAcrylic122¡FP.V.C.122¡F can be considered as a reliable indicator of a thermoplasticÕsTest results are extrapolated over a period of 10 years and no UL Ratings CountryNormClassificationUSAModel Bldg. CodesApproved LightTransmittingGermanyDIN 4102B1 (to 10 mm)part 1B2 (16 mm)United-KingdomBS 476 part 7Class 1BuildingClass 0RegulationsTp (a)FranceNF-P-92-507M1-M2NetherlandsNEN 6065Class 1-2 ¨sheet hasgood fire behavior characteristics,major European fire performance tests. As a thermoplastic, Fire Performance WeightMaterialThicknessWeightmmlbs/ftLEXAN Thermoclear Sheet6.27LEXAN Thermoclear Sheet8.35LEXAN Thermoclear Sheet10.41LEXAN Thermoclear Sheet16.57LEXAN Thermoclear Sheet20.68LEXAN Thermoclear Sheet25.72 LEXAN Thermoclear sheet can be an ideal replacement for the more and easy to handle, cut and install and is extremely tough. ItsLEXAN Thermoclear sheet has shown in many applicationsthat its lightness and ease of handling have contributed to Weight Factors authorized dealer. These tests are not intended to Sound Reduction ValuesMaterialThicknessSTCmmRatingLEXAN Thermoclear Sheet617LEXAN Thermoclear Sheet819LEXAN Thermoclear Sheet1021LEXAN Thermoclear Sheet1622 The sound insulation characteristics ofa material are largely predeterminedby its stiffness, mass and physical construction. The maximum Sound InsulationFig. 10Fig. 11Fig. 12Fig. 13 6 Various PrU.L. Temperature Ratings UL746BContinuous-use Temperature RatingLEXAN Polycarbonate212¡FAcrylic122¡FP.V.C.122¡F can be considered as a reliable indicator of a thermoplasticÕsTest results are extrapolated over a period of 10 years and no UL Ratings CountryNormClassificationUSAModel Bldg. CodesApproved LightTransmittingGermanyDIN 4102B1 (to 10 mm)part 1B2 (16 mm)United-KingdomBS 476 part 7Class 1BuildingClass 0RegulationsTp (a)FranceNF-P-92-507M1-M2NetherlandsNEN 6065Class 1-2 ¨sheet hasgood fire behavior characteristics,major European fire performance tests. As a thermoplastic, Fire Performance WeightMaterialThicknessWeightmmlbs/ftLEXAN Thermoclear Sheet6.27LEXAN Thermoclear Sheet8.35LEXAN Thermoclear Sheet10.41LEXAN Thermoclear Sheet16.57LEXAN Thermoclear Sheet20.68LEXAN Thermoclear Sheet25.72 LEXAN Thermoclear sheet can be an ideal replacement for the more and easy to handle, cut and install and is extremely tough. ItsLEXAN Thermoclear sheet has shown in many applicationsthat its lightness and ease of handling have contributed to Weight Factors authorized dealer. These tests are not intended to Sound Reduction ValuesMaterialThicknessSTCmmRatingLEXAN Thermoclear Sheet617LEXAN Thermoclear Sheet819LEXAN Thermoclear Sheet1021LEXAN Thermoclear Sheet1622 The sound insulation characteristics ofa material are largely predeterminedby its stiffness, mass and physical construction. The maximum Sound InsulationFig. 10Fig. 11Fig. 12Fig. 13 6 10 mm LEXAN Thermoclear sheet, U-value - 0.52 Btu/Hr x ft 6.7ÐGallon of oil of annual savings989 ÐCubic ft of gas of annual savings GlassAir spaceThermoclearU-valueThicknessinchesThicknessBtu/Hr x ft41-26(2R6)0.3841-28(2T8)0.3741-210(2R10)0.3541-216(3T16)0.30 Installing LEXAN Thermoclear sheetin front or LEXAN profiled sheetbehind the existing glazed window provide additional energy ThermoclearAir gapProfiled sheetu-valuesheet OutsideinchesInsideBtu/Hr x ft6(2RS).75 - 24.5(2R)0.328(2TS).75 - 24.5(2R)0.3110(2RS).75 - 26(2R)0.2816(3TS).75 - 26(2R)0.2516(3TS).75 - 210(2R)0.22 Extremely low U-values can beobtained by double-glazed multiwallLEXAN Thermoclear sheet outside andLEXAN profiled sheet inside, with an air gap of .75 - 2 inchesDouble LEXANMultiwall Sheet Units business today. Substantial savings in the order of more thanx ¡F.Table 17 shows the minimum and maximum expected amount x ¡F, Material u-values(Btu/Hr x ftMaterialsThickness mmU-valueLEXAN Thermoclear6 (2R6)0.61LEXAN Thermoclear8 (2T8)0.58LEXAN Thermoclear10(2R10)0.52LEXAN Thermoclear16(3T16)0.42LEXAN Thermoclear16(4RS)0.37LEXAN Thermoclear20 (5RS)0.32LEXAN Thermoclear25 (6RS)0.27x ¡F. Thermal Insulation Fig. 14Fig. 15Fig. 167 Thermal pr differenceExpected annual saving per 10.0 ftOil - gallonGas - ft0.02.02-.335-530.04.48-.6771-1060.05.71-1.0106-1590.07.95-1.4141-2120.091.2-1.7176.5-2650.111.4-2.1212-3180.121.7-2.4247-3710.141.9-2.7282.5-4240.162.1-3.1318-4770.182.4-3.4353-5300.212.9-4.1424-635.50.253.3-4.8494-741.50.283.8-5.5565-847.50.324.3-6.2635.5-953.50.354.8-6.9706-1059.50.395.2-7.6777-11650.425.7-8.2847.5-12710.466.2-8.9918-13770.496.7-9.6989-14830.537.1-10.31059.5-15890.567.6-111130-16950.608.1-11.71200.5-18010.638.6-12.41271-19070.679-13.11342-20130.709.5-13.71412.5-2119temperature differences during the heating time necessary. Thermoclear6 mm sheet when the outside temperature is14¡F and the inside building temperature is 68¡F.Temperature process through Thermoclearsheet at low Cold EmissionCompared to single glazed glass, in the same conditions, theinside glass surface will be far below freezing temperature.Fig. 17Fig. 18Fig. 198 Thickness Selection For Flat Glazing sheetÕs exceptional Periodic cleaning using correct procedures with compatible to prolong service life.For general cleaning, it is recommended that the followinginstructions be adhered to. Top JobVM&P grade Napthavarious surrounding air.Water droplets on the surface of the glazing reduce light 1.LTC 20 mm at a humidity content of:68%2.LTC 6 mm at a humidity content of:50%3.Glass at a humidity content of:32% 1.Rinse sheet with lukewarm water.2.Wash sheet with a solution of mild soap orhousehold detergent and lukewarm water, using3.Rinse with cold water and dry with a soft cloth to1.Clean surface with a high pressure water and/orsteam cleaner.2.Use of additives to the water should be restrictedthe UV-protected surface of LEXAN Thermoclear sheet.DO NOT USE either BUTYL CELLOSOLVE or ISOPROPANOL on the UV-protected surface of IMPORTANT Inside temperature:68¡FOutside temperature:14¡F compounds. Taking into account the complexity of chemicalcompatibility, all chemicals which come into contact with thehowever, a shortened list of some of the more common Chemical Resistance Recommended Sealants, Gaskets and TapesTypeManufacturerProduct NameSiliconeGeneral Electric CompanyUltrapruf SealantWaterford, NYSiliconeGeneral Electric CompanySiliprufWaterford, NYSiliconeGeneral Electric CompanyCONSTRUCTIONWaterford, NY1200SiliconeGeneral Electric CompanyCONSTRUCTIONWaterford, NY1000Gasket/TapeNorton Company¥NORRENE* FoamGranville, NY¥V-2100 Urethane(800) 724-0883SeriesGasketTremco¥Silicone (70Columbus, OHDurometer)(800) 321-6357¥EPDM (60, 70TapeTremco440 TapeButyl TapePTI303, 606Butyl TapeSchnee-MoreheadIsocryl 5600Irving, TXSeriesAluminum/DRG SellotapeSellotape BVMesh TapeUtrecht, HollandVent TapeVent Tape3MTape 394, 3294Vent TapeITPMuerifireAnnapolis, MDAD 3429 * Registered trademark of Norton Company. Wind & Snow LoadingTo allow for local fluctuations in theby building or glazing geometry, it isa vertically, uniformly distributedConsult your nearest GE Structured Products Technical PressurePressure Coefficient Values of q in SI units (lb-force/ftwindspeedwindpresswindspeedwindpressmphlb-f/ftmphlb-f/ft201.0415056302.5017072506.007012.0010025.0012036.00 Computer aided Sheet Engineering Sheet ThicknessCriteria and Table Interpretation sheet edgeengagement ±3/4 inch Fig. 38Fig. 39Fig. 4015 Glazing SystemsIn general the total rebate depth for each profile shouldinclude a minimum of .3/4 inch engagement and an allowance¨sheet, additional precautions shouldbe taken. In this case it is important that the sheet is cut so WARNING!Do not use P.V.C. gaskets!Due to migration of additives of soft P.V.C., the LEXAN Wet Glazing Systems Fig. 33Fig. 35Fig. 34Fig. 36Fig. 3714 Glazing SystemsIn general the total rebate depth for each profile shouldinclude a minimum of .3/4 inch engagement and an allowance¨sheet, additional precautions shouldbe taken. In this case it is important that the sheet is cut so WARNING!Do not use P.V.C. gaskets!Due to migration of additives of soft P.V.C., the LEXAN Wet Glazing Systems Fig. 33Fig. 35Fig. 34Fig. 36Fig. 3714 stacked together horizontally or, if different length, graded with¥Top face covered with a printed masking. This is¥Bottom face with a plain white masking.¥Edges with a colored protective edge tape,This includes common circular, hand and hacksaws. Saw dustair. Circular saw blades should be fine-toothed panel blades.knife. However, it is important that the knife is sharp.vibration. Very clean holes are easily obtained. The use of used to support a personÕs weight Handling Sawing DrillingPre-installationThermal Expansion Allowance Site Safety Sash dimension in inchesTotal thermal expansion in inches203959711813815717 7 0.039.079.118.159.197.236.315.394.47.276.354.43.51.55 .59 Fig. 24Fig. 25Fig. 26 Based on Temperature Change of 100ûF in Section: Sealing Techniques.described in section: Sealing Techniques. Before installation,Pre-Installation/Sealing Guidelines ÒVerzekered KeurÓ Multifoil will provide within Europe a 10 Year Guarantee on the operation of the tapes.MULTIFOILInternational Trading Partners, Ltd.Verl. Hoogravenseweg 63 h3252 BB Utrecht, NLtel.+31 30 28 96 333fax.+31 30 28 94 545 Sealing Tape Sealing Techniques¥Ensure that all sheet edges are smooth and¥All channels should be blown free of dust before¥Ensure tape is completely covered by glazing¥Replace any damaged tape before final¥Suitable and approved sealing tapes for glazing LEXAN ¥Extremely dusty environments (sawmills - welding-¥Low humidity/dry conditions (shopping centers -¥No interior/exterior temperature difference¥Possible water build-up in channels by¥Risk of algae growth. Sealing r Fig. 27 Pre-installation-Sealing TechniquesTop end channels sealed with an¥Integrated filter which minimizes dust/insect penetration.¥Condensation water drainage possibility.¥Ventilation into channels helping to prevent¥Clearance between bottom sheet edge and sash Glazing Conditions Care should be taken to provide a clearance between bothsheet edges and sash platform to allow for condensation The following recommendationsapply to installations involving flatextremely important when installing LEXAN Thermoclearsheet that the edges are correctly clamped, whether the application involves wet or dry glazing conditions.A cover plate, or glazing bead, with rubber gaskets or siliconesealant, can hold the sheet in place and create a watertightfor thermal expansion of the sheet. It is also important that theedge of the sheet be engaged for a minimum of 3/4" into theSheet edge distance holder, e.g. rubber/filter tape +248¡F, and also after prolonged outdoor exposure.anvil. The round nosed dart, .5 inch diameter, is placed upon Gardner Impact AcrylicGlass 4F In a test developed by the Dutch Testing Institute TNO, Table 4 lists the results of a series of tests on three materials.zone, i.e. small indentations. GE Plastics offers a Ten YearLimited Warranty on LEXAN Thermoclear sheet covering loss Impact Strength Hail SimulationSports Ball Impact Hail Simulation Test ResultsMaterial.39 in..78 in.1.18 in.sheet 16 mm36-45 mph16-31 mph9-22 mphFloat glass 4 mm67 mph22 mph18 mphsheet 10 mm�111 mph98 mph63 mphsheet 16 mm�111 mph98 mph63 mphEquilibrium velocity hail31 mph47 mph56 mph maximum drop height: 39" maximum impact energy:29 ft-pds.falling dart weight: 8.8 poundscalibratedguide tubemetal round nosed punch .5 inch diamete r Lexan Thermoclear sheet specimen 1 inch Fig. 4Fig. 3Fig. 2 Gardner impact tester *See limited warranty for details3 Physical PropertiesUV-B Middle ultra-violet region280 - 315 nmUV-A Near ultra-violet region315 - 380 nmVisible light region380 - 780 nmNear infra-red region780 - 1400 nmMiddle infra-red region1400 - 3000 nmwarehouse, museum or shopping center.released as infra-red energy. The insulating properties ofTransparent grades of LEXAN82% depending upon thickness. However, for buildings in hotsheet is available in translucent grades of bronze, grey, blue,in the summer.Table 7 outlines the overall solar control properties of Temperature the Building Solar Control Solar Heat Gain Total Solar Transmission (ST) in %LTCLTCLTCLTCLTC16LTC20LTC25Material2R62R82R103T164RS5RS6RSClear 112868685828075585109606060335150555555825074505082507530303082995716534 Fig. 6Fig. 74 10 mm LEXAN Thermoclear sheet, U-value - 0.52 Btu/Hr x ft 6.7ÐGallon of oil of annual savings989 ÐCubic ft of gas of annual savings GlassAir spaceThermoclearU-valueThicknessinchesThicknessBtu/Hr x ft41-26(2R6)0.3841-28(2T8)0.3741-210(2R10)0.3541-216(3T16)0.30 Installing LEXAN Thermoclear sheetin front or LEXAN profiled sheetbehind the existing glazed window provide additional energy ThermoclearAir gapProfiled sheetu-valuesheet OutsideinchesInsideBtu/Hr x ft6(2RS).75 - 24.5(2R)0.328(2TS).75 - 24.5(2R)0.3110(2RS).75 - 26(2R)0.2816(3TS).75 - 26(2R)0.2516(3TS).75 - 210(2R)0.22 Extremely low U-values can beobtained by double-glazed multiwallLEXAN Thermoclear sheet outside andLEXAN profiled sheet inside, with an air gap of .75 - 2 inchesDouble LEXANMultiwall Sheet Units business today. Substantial savings in the order of more thanx ¡F.Table 17 shows the minimum and maximum expected amount x ¡F, Material u-values(Btu/Hr x ftMaterialsThickness mmU-valueLEXAN Thermoclear6 (2R6)0.61LEXAN Thermoclear8 (2T8)0.58LEXAN Thermoclear10(2R10)0.52LEXAN Thermoclear16(3T16)0.42LEXAN Thermoclear16(4RS)0.37LEXAN Thermoclear20 (5RS)0.32LEXAN Thermoclear25 (6RS)0.27x ¡F. Thermal Insulation Fig. 14Fig. 15Fig. 167 Wind & Snow LoadingTo allow for local fluctuations in theby building or glazing geometry, it isa vertically, uniformly distributedConsult your nearest GE Structured Products Technical PressurePressure Coefficient Values of q in SI units (lb-force/ftwindspeedwindpresswindspeedwindpressmphlb-f/ftmphlb-f/ft201.0415056302.5017072506.007012.0010025.0012036.00 Computer aided Sheet Engineering Sheet ThicknessCriteria and Table Interpretation sheet edgeengagement ±3/4 inch Fig. 38Fig. 39Fig. 4015 Thickness Selection For Flat Glazing sheetÕs exceptional longitudinally, never across the width of the sheet. Sheet length ÔLÕ needs to be greater than sheet width ÔWÕ togeometry. To determine the required rafter spacing, find the graph that center to center distance betwee n curved support raftersradius ©R©span LEXAN ThermoclearMin. Radiussheet thicknessinches6418551069161102013825173 Fig. 50 4147515559636974788286909498 LTC2R6 12.5psf16.5psf21psf25psf29psf33psf37psf41psf Uniform Loading Rafter Spacing in Inches 5559636974788286909498102106110 118126 LTC2R8 RADIUS, inches 12.5psf16.5psf21psf25psf29psf33psf41psf41psf Uniform Loading Rafter Spacing in Inches 6974788286909498102106110118126134 LTC2R10 RADIUS, inches 12.5psf16.5psf21psf25psf29psf33psf37psf41psf Uniform Loading Rafter Spacing in Inches 110118126134142150158166174182190 LTC3T16 RADIUS, inches 12.5psf16.5psf21psf25psf29psf33psf37psf41psf Uniform Loading Rafter Spacing in Inches necessary.Measure sheet edge engagement area (±.75 inch) andwhich the LTC sheet will be fitted.Select right LTC type, which fulfills loading requirements, Clamp the LTC sheet to a support table to avoid vibrationcircular or jig saw.compressed air.sealing tape supplier.DonÕtsDo not walk on LTC sheet at any time.Do not install LTC sheet with damaged tapes.Do not clean LTC sheet in hot sun or at elevated cellosove should never be used on LTC sheet. Wet Glazing Dry Glazing Metal frameGlazing filler tapeSilicone sealant Fig. 53Fig. 5424 INSIDE FRONTCOVER