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A precast concrete block house is constructed from concrete blocks cast in a mould rather than directly at the construction site. The finish of precast concrete can be altered, enabling the creation of houses in diverse styles and appearances. Common types include the following:
Insulated concrete precast homes
These homes feature two layers of concrete with insulating material in between, providing excellent energy efficiency and temperature control.
Structural insulated panels
These walls provide better insulation than traditional building methods, ensuring energy efficiency and durability. Structural insulated panels are created using two layers of concrete sandwiched around an insulating foam core, forming a solid and well-insulated building panel.
Precast concrete lintels
These are horizontal precast concrete elements that support loads over windows, doors, and other openings. They evenly distribute the weight above the opening to the surrounding walls or beams.
Precast concrete wall panels
This consists of large, cast-in-place concrete walls that form the exterior of the home. They serve as roofs, floors, or walls. Their thick, sturdy design enables the quick construction of strong precast concrete houses.
Precast concrete ceilings
Just like wall panels, precast concrete ceilings are large slabs that are cast and then installed as the roof or ceiling of a structure. Their strength allows for open spaces without many support columns or beams.
Precast concrete floor panels
These form the floors of precast homes and provide a stable living platform. Their rigid structure also helps support the weight of furniture and occupants.
Cinder block homes
Cinder blocks are concrete masonry units that include cinders in the mix. Like precast panels, they are manufactured off-site. They are then brought onsite, making construction more efficient. As a result, they have a lightweight, porous composition that enhances their insulating properties.
Workers can build precast concrete walls faster than conventional ones. The concrete cures before the blocks arrive at the build site. This means the builders do not have to wait for the materials to be built when constructing the house. They can start right away with the precast walls.
Quick assembly
The precast concrete sections allow for rapid construction and weather-resistant shell. Due to the manufacture of panels in a factory, storms or poor weather do not delay the build. This enables builders to proceed with constructing a home despite the chilly winter months.
Strong and resilient
Homes built with precast concrete blocks are incredibly sturdy, enduring harsh weather, fire, and pests like termites. The precast sections' thickness and weight build a durable framework that can withstand powerful gusts of wind or quakes. This ensures the home remains safe and secure, requiring minimal maintenance. Precast walls are immune to common threats like rot or insect damage that challenges wood-built houses.
Thermal mass for energy savings
The dense concrete walls maintain a comfortable indoor temperature by absorbing heat from the sun during the day and releasing it at night. This helps the precast concrete block house stay naturally cool even when it is sweltering outdoors. With less need for heating or cooling, energy expenses reduce significantly, leading to lower utility bills over time.
Excellent soundproofing
The heavyweight and composition of precast walls also assist in making the home quiet. Outside clamor from neighbors, vehicles, or street parties muffles significantly compared to lighter wall types.
Contemporary
Modern
Industrial
Othercommonprecastelementsofthisstyleincludeexposedbrutalismconcrete,metal,andsmalls
floor-to-ceilingwindows. Large,openinsidelancingisalsoaprominentfeatureofthiskindofpatternbecauseitallowsfreedomofmovementanduseofthearea. Warehouseconversionintolivingplacesisapopularactivityinmetropolitanregions.
Cubist
This design consists of rectangular and cubic forms. The system comprises basic geometric shapes like boxes, jutting, or recessing as needed. The end result is an orderly and well-structured appearance. Precast concrete designs can make these cubical forms precisely and accurately. The concretesmoothfinishgivesahygienicandmodernlook.
Brutalist
This design style showcases raw concrete and robust forms. It prioritizes function over form, resulting in blocky, heavy structures. Recognizable features include large overhangs and uneven surfaces. Precast walls are built in molds providing their signature textured finish. The concrete'sstrengthallowsthisstytomakelong-lastinghouses.
Finished with natural materials
Standard precast walls can be coated with various attractive coverings like brick, stone, or wood. They provide the benefits of concrete while giving the house a more appealing and traditional look. This allows the sturdy precast structure to be personalized with natural textures and hues.
Insulation properties
Pick precast brick houses with strong insulation qualities. This ensures the home remains temperate throughout the year. Adequate insulation decreases energy usage by minimizing heat transfer. This allows replication of indoor comfort levels in extreme outside climates.
Water and wind resistance
Concretetheprecastelementsachievehighdegreesofresistancelikewaterandbreezeybyproducingthemassesandthicknesses. Thisensuresthesehousesexperienceextraminorleaksandfewerlotsofwinds. Also, the weight of precast structures anchors them firmly in place, giving homeowners peace of mind in tempestuous weather conditions.
Seismic properties
Largemassesimilarityinprecastconstructshelpsmitigatetheimpactofearthquakesonahome. Duringseismicactivities,heavermassitemsarelikelytomoveupanddowngooutofsync. Thisensuresstructuresponderosaarerelative-ratherthancollapsing.
Thermal mass
Thehighthermalmasscontributespositivelytotheenergyperformancintherightclimate.Inparticular,thickconcretewallsabsorbheatduringthedayandreleasethatitnight. Itkeepsthehometemporarilycoolandlivingconditionspleasantwithoutair-conditioning.
Low maintenance
Concreteisresistanttofire,termiteinfection,andmanyotherforms ofmaterialdecay. Thisimpliesthattheprecandboisgroomedonceoraftermanyyearsshouldlastlongwithoutrequiringincessantcarefortheexterioraswoodwould.
Precast concrete production process
The
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A: It can crack if the soil underneath it settles or shifts. This may happen when poorly compacted soil settles or if there are tree roots or other changes underground.
A: Concrete is denser than cinder. This makes it stronger and more durable. It also has less space inside, so it weighs more than cinder. However, it therefore also has less insulation.
A: If the soil underneath shifts or drops, then the blocks may split. This cracking can also happen if the concrete itself is old or not made properly. Some outside things, like too much rain or very hot weather, can also cause cracks in the blocks.
A: The number of blocks needed for a gable depends on its size. A small gable only needs about 15-20 blocks. At the same time, larger gables may require 30 blocks or more. It also depends on the size of the concrete blocks used.