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GlossarySMOKE INDEX is an assessment of the danger of fumes from a material incase of fire. European legislation provides a classification from 0 to 3, whichmeans that a material with low smoke class produces less dense and toxicfumes.α wWEIGHTED SOUND ABSORPTION COEFFICIENT is a number between 0and 1 which is a characteristic of an acoustic absorption material. The higherthe value of α w, the better is the soundproof material.NOISE REDUCTION COEFFICIENT NRC is the arithmetic mean of the values ofα at frequencies from 200 to 2000 Hz.μ WATER VAPOUR RESISTANCE COEFFICIENT is a dimensionless numbergiven by the ratio between air permeability and the material permeability. Per-meability is a measure of the ability of a material to transmit water vapor. Thehigher the value of μ, the lower the permeability to water vapor.λ THERMAL CONDUCTIVITY is an index of the ability of a material to transmitenergy as heat. The value λ does not depend on the geometry of the productbut only on its composition. It is measured in W/(mK). On the basis of this parametermaterials can be classified in the following classes:- insulating materials: λ ≤ 0.065 W/mK;- weekly insulating materials: 0.065 W/mK ≤ λ ≤ 0.090 W/mK;- non-insulating materials: λ ≥ 0.090 W/mK;DECIBEL is the sound level unit expressed as 10 times the logarithm of theratio between squared sound pressure and a squared reference pressure. Thesound level is not in a linear form as the human ear is sensitive to sound pressurein a logarithmic way.DENSITY is the ratio between mass and volume of a material. The density isaffected by temperature and is measured in kg/m 3 .ECHO is the result of noise that is reflected from a surface. In large indoorplaces, the noise may “bounce” on the surface several times creating a senseof discomfort and unease. To reduce it, it is enough to cover the walls appro-priately with acoustic absorption materials, that will absorb most of the incidentenergy. The feature of rooms is the reverberation time (the higher, the longeris the echo).ΔL WINDEX OF WEIGHTED REDUCTION IN IMPACT SOUND PRESSURE LE-VEL indicates the insulation improvement by floor coating to the footstep noise.R WWEIGHTED SOUND REDUCTION INDEX is a calculated numerical valuethat indicates the ability of a material or a building structure to reduce soundtransmission.REACTION TO FIRE is an assessment of the participation of a material to combustion.It depends on several factors including the speed of propagation offlame, drip of molten material and the formation of harmful substances. TheItalian legislation states the division into classes from 0 (non-combustible material)to 5. According to European law, materials are divided into EuroclassesA1, A2 (incombustibile) up to F with subscript index describing the productionof smoke and dripping.R THERMAL RESISTANCE the ability of a material to resist energy transferas heat. Thermal transmittance U is the reciprocal of thermal resistance. R isequal to thick./λ, where thick. is the thickness expressed in meters and λ isthe thermal conductivity. R is expressed in m²K\W. To achieve the same thermalinsulation it is necessary to have the same R and not the same thickness.s’ DYNAMIC STIFFNESS OF FOOTSTEP SOUND INSULATION MATERIALSis an index of the elasticity of a material and allows the evaluation of its ability toattenuate vibrations transmission when subjected to a given load.s’ depends on the airflow resistance of the material and is expressed in MN/m 3 .The higher the value of the dynamic stiffness, the worst is the acoustic improvementof the screed.U THERMAL TRANSMITTANCE is the heat flow that passes from one fluidto another through a separation structure of a defined thickness, per area unitand per difference in temperature between two fluids. U is expressed in W/m²K.Thermal transmittance U is the reciprocal of thermal resistance of a whole structure(the sum of all thermal resistances of the components) and it is equal toλ\thick; where thick is the thickness in meters and λ is the thermal conductivity.ACOUSTIC ABSORPTION is the ability of some materials to absorb sound wavesand dissipate noise energy. The sound absorption coefficient α w(standardin Europe) and the NRC noise reduction coefficient (standard in America) arethe numerical values used for comparing the performance of sound absorptionof different materials and to calculate the reverberation time in a specific place.ACOUSTIC INSULATION is the ability of a material or a building structure to re-duce noise transmission from one environment to another. The weighted soundreduction index Rw is the coefficient used to compare the sound insulation ofdifferent materials.FREQUENCY is the number of sound vibrations per second measured in Hz.8
General legendPRODUCT TECHNICAL DATA■ A = Anthracite■ B = White■ C = Beige■ F = Green■ G = Light grey■ L = BlueColours colour reference indicative of the product■ N = Black■ N = Black melange■ P = Lead■ R = Red■ V = Multicoloured■ Y = Yellow■ O = Natural colorGreen <strong>Building</strong> products’ = Dynamic stiffnessα w= Weighted sound absorption coefficientR w= Weighted sound reduction indexλ = Thermal conductivityΔLw = Index of weighted reduction in impact sound pressure levelITEMSWhile r.m. last = While raw material stocks lastAdhesive on PE = The adhesive is on the polyethylene sideAdhesive on PU = The adhesive is on the polyurethane sideAdhesive on el. mass = The adesive is on the elastomeric mass sideW = WidthLG = LengthThick. = ThicknessU.M. = Unit of measurementmq = sqm = Square meterml = lm = Linear meterPack = PackagingSA = PolybagS/P = Bag-bubble filmSC = CartonBA = Pallet and angularsNo./Pack = Number of items per packageQty./Pallet = Number of packages per palletPz = itemsColour dis. = Colour and designDim. Pack = Dimentions of the packageRLX Diam = Diameter of the rollnr = NumberMinimum = Minimum quantitySF = Bulk (Rolls or reels in boxes or wrapped in brown paper without packagingRTS = Ready to send9
Page 1 and 2: BUILDING CATALOG
Page 3 and 4: Products IndexFind the solution to
Page 5 and 6: www.mappyitalia.comMappy Italia: re
Page 7: www.mappyitalia.comPartner of choic
Page 12 and 13: MAPPYFIBERDescriptionThe aesthetic
Page 14 and 15: Available coloursSAND TEXTUREEFFECT
Page 16 and 17: ItemsCode W. Thick.(mm) (mm)Lg.(mt)
Page 18 and 19: MAPPYFIBER TREVIRADescriptionHigh p
Page 20 and 21: MAPPYFIBER WOOLDescriptionMAPPYFIBE
Page 22 and 23: MAPPYCUBICDescriptionThe innovative
Page 24 and 25: MAPPYSIL BUGNATO AU DIS. 3The “Be
Page 26 and 27: MAPPYSIL PIRAMIDALE AUDescriptionFo
Page 29 and 30: 2 Wall insulationThe range of Mappy
Page 31 and 32: FIBREColour * ■Density ~ 40 kg/m
Page 33 and 34: ItemsFIBREColour * ■Density ~ 40
Page 35 and 36: ELASTOMERIC MASSColour ■Weight ~
Page 37 and 38: FIBREColour * ■Density ~ 20/40 kg
Page 39 and 40: FIBREColour * ■Density ~ 40 kg/m
Page 41: RESINColour * ■ *Density ~ 25 kg/
Page 44 and 45: MAPPYPREMIUMDescriptionThe top mat
Page 46 and 47: POLISTIK/B PLUSDescriptionHigh ther
Page 48 and 49: POLISTIK/M UNDER SPECIALDescription
Page 51 and 52: The thermal and acousticinsulation
Page 53 and 54: WOOLColourWeight ~ 400 - 800 g/m 2T
Page 55 and 56: POLISTIKDescriptionPOLISTIK is a ma
Page 57 and 58: POLISTIK CH ANTIGRAFFIOThe mattress
Page 59:
CHEMICAL PEColour ■Density ~ 30 k
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è un sottofondo termoacustico adat
Page 64 and 65:
MAPPYFELTRO LVDescriptionMAPPYFELTR
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UNDERFLOORDescriptionUNDERFLOOR is
Page 69 and 70:
The range of Mappy Italia’s produ
Page 71 and 72:
FIBERColour * ■Density 40 kg/m 3T
Page 73 and 74:
MAPPYSIL CR 203PHYSICAL PEColour
Page 75 and 76:
MAPPYSIL CR 201CHEMICAL PEColour
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ELASTOMERIC MASSColour ■Weight ~
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MAPPYSILENT FR ALMAPPYSILENT / MAPP
Page 81 and 82:
816 Roofinsulation
Page 83 and 84:
WOOLColour ■Density ~ 20 kg/m 3Th
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MAPPYFLASHColour ■Reaction to fir
Page 87:
BUTYLTACKDescriptionBUTYLTACKThe wa
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FASCIA PERIMETRALEEssential to comp
Page 92 and 93:
POLISTIK CHFor detaching metalprofi
Page 94 and 95:
BIAPOL CHTo detach light partition
Page 96 and 97:
MAPPYCOL S45The essential accessory
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MAPPYTAPE TXTDescriptionMappy Itali
Page 100 and 101:
General instructions for laying mat
Page 102 and 103:
102
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Mappy Italia SpAVia Tevere, 3 - 200
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