ASTM C 140 “Methods of Testing Concrete Masonry Units.” Block density lb/ft3 (kg/m3) Nominal wall thickness inches (mm) Hollow concrete masonry units Cavity wall with 35/8" (90 mm) veneer Cores empty Cores filled 4" High efficiency polystyrene inserts 2" (50 mm) expanded polystyrene 2" (50 mm) extruded polystyrene Normal weight concrete American Society for Testing and Materials, 2000. 2. They are available in a multitude of colors and textures including split-face, ground face, polished face and glazed face. Eric Tallberg Date: January 26, 2021 Concrete masonry units are commonly known as cement blocks.. They are often used for brightly-colored accent bands, and gymnasiums, rest rooms, and indoor swimming pools where the stain and moisture resistant finish reduces maintenance. Striation can be applied to scored and ribbed units as well (see Figure 3c). The term “architectural concrete masonry units” typically is used to describe units displaying any one of several surface finishes that affects the texture of the unit, allowing the structural wall and finished surface to be installed in a single step. 3. Concrete Masonry Shapes & Sizes Manual, CM 260A. Concrete masonry units are colored by adding mineral oxide pigments to the concrete mix. Ground face units are often scored to achieve a scale other than the conventional 8 16 in. Concrete masonry units (CMU) are some of the most commonly used materials in building construction. Masonry can be defined as the construction of building units bonded together with mortar. How does a Wastewater Treatment Plant Work? Dimensions of main types of masonry units of modular dimension) 1 PROPERTIES OF CONCRETE MASONRY UNITS A concrete masonry unit is a preformed building unit of rectangular shape that is intended for use in the construction of bonded masonry walling. One of the most significant architectural benefits of designing with concrete masonry is its versatility – the finished appearance of a concrete masonry wall can be varied with the unit size and shape, color of units and mortar, bond pattern, and surface finish of the units. © 2021 NATIONAL CONCRETE MASONRY ASSOCIATION. Blocks of cinder concrete ( cinder blocks or breezeblocks ), ordinary concrete ( concrete blocks ), or hollow tile are generically known as Concrete Masonry Units (CMUs). (25 mm). Clay brick units are typically used in brick masonry construction. Concrete masonry units shall be normal cement-colored units with standard face surfaces. Become VIP Member, Do you need to remove the ads? National Concrete Masonry Association, 1997. Country Other masonry unit types include cast stone and calcium silicate units. The common cement block is known in the concrete industry as a concrete masonry unit. Sand (or abrasive) blasting is used to expose the aggregate in a concrete masonry unit and results in a “weathered” look. Details of pipes, conduits, accessories, Characteristics of Different Types of Masonry Mortar • Type M: high compressive strength and tensile bond strength • Type S: moderate compressive and tensile bond strength • Type N: low compressive strength and tensile bond strength • Type O: very low compressive and tensile bond strength • Type … These lintel blocks … Select a country…Åland IslandsAfghanistanAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelauBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Saint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongo (Brazzaville)Congo (Kinshasa)Cook IslandsCosta RicaCroatiaCubaCuraÇaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIsle of ManIsraelItalyIvory CoastJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacao S.A.R., ChinaMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorth KoreaNorwayOmanPakistanPalestinian TerritoryPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalQatarRepublic of IrelandReunionRomaniaRussiaRwandaSão Tomé and PríncipeSaint BarthélemySaint HelenaSaint Kitts and NevisSaint LuciaSaint Martin (Dutch part)Saint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSan MarinoSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia/Sandwich IslandsSouth KoreaSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited Kingdom (UK)United States (US)UruguayUzbekistanVanuatuVaticanVenezuelaVietnamWallis and FutunaWestern SaharaWestern SamoaYemenZambiaZimbabwe, By registering, you agree to the Terms of Service and Privacy Policy .*. 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