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UNDERSTAND YOUR BUILDING PROJECT

Construction dictionary

Does ‘ring beam’ sound like something at the gym? Does ‘footing’ make you think of footwear? Look up a word from your project and discover what it means, in plain language.

Muestras de ladrillo, hormigón, madera y acero sobre una mesa de obra; imagen ilustrativa
2,147 construction and renovation terms9 specialtiesEasy-to-understand definitions

Building terms, clearly explained.

2,147 terms found

Electrical and HVAC systems

Ground-to-water heat pump

Bomba de calor suelo-agua

Equipment taking heat from the ground through a collector to warm a water circuit.

Foundations and structures

Groundwater lowering

Rebajamiento del nivel freático

Controlled reduction of groundwater level to change conditions around an excavation.

Electrical and HVAC systems

Grouped meter installation

Centralización de contadores

Organised set of meters combining measurement facilities for several users within a building.

Electrical and HVAC systems

Guide light

Baliza luminosa

Small or low-level luminaire marking routes and helping orientation in indoor or outdoor spaces.

Foundations and structures

Gusset plate

Cartela de unión

Plate connecting members and distributing forces within a structural connection.

Facades and roofs

Gutter

Canalón

Channel at a roof edge collecting rainwater and directing it to downpipes.

Facades and roofs

Gutter end cap

Tapón de canalón

Component closing a gutter’s end and preventing rainwater discharge at that location.

Facades and roofs

Gutter expansion joint

Dilatador de canalón

Connection accommodating longitudinal movement of a gutter caused by changing outside temperatures.

Facades and roofs

Gutter outlet

Boquilla de canalón

Outlet fitting connecting the bottom of a gutter to a rainwater downpipe.

Joinery and finishes

Gypsum basecoat plaster

Yeso grueso

Gypsum plaster intended for base layers and levelling of internal wall surfaces.

Joinery and finishes

Gypsum finishing plaster

Yeso fino

Fine-grained gypsum plaster intended for the final finish of interior surfaces.

Masonry and materials

Gypsum undercoat

Guarnecido

First gypsum plaster layer levelling a wall or ceiling before the fine finish.

Joinery and finishes

Half-lap joint

Ensamble a media madera

Joint in which members are partly notched to overlap while approximately retaining the combined thickness.

Electrical and HVAC systems

Halogen-free cable

Cable libre de halógenos

Cable whose insulation and sheath materials are designed without certain halogen-containing compounds.

Work and tools

Hammer drill

Taladro percutor

Tool combining rotation and rapid impacts to drill materials compatible with its operating system.

Joinery and finishes

Hand-applied gypsum plaster

Yeso manual

Gypsum plaster formulated for mixing and application with traditional manual plastering tools.

Work and tools

Handover record

Acta de recepción

Document recording the handover of completed work and any recorded observations.

Masonry and materials

Hardening

Endurecimiento

Progressive development of strength following the setting of a binder or mixture.

Joinery and finishes

Hardware fitting

Herraje

Component or mechanism, such as a hinge or lock, allowing doors, windows or furniture to be secured or used.

Joinery and finishes

HDF board

Tablero HDF

Board made from wood fibres pressed to achieve a high density.

Foundations and structures

Head joint

Llaga

Generally vertical joint between adjacent units in the same masonry course.

Masonry and materials

Header

Tizón

Brick laid with its short end visible; also relates to brick width.

Masonry and materials

Header bond

Aparejo a tizón

Masonry bond presenting the short ends of bricks on the wall face.

Work and tools

Hearing protector

Protector auditivo

Equipment reducing the ear's exposure to noise through acoustic attenuation of surrounding sound.

Insulation and damp

Heat balance

Balance térmico

Comparison of heat entering, leaving and being stored in a space or element over time.

Insulation and damp

Heat capacity

Capacidad calorífica

Energy required to raise the temperature of a body or building element by one degree.

Electrical and HVAC systems

Heat detector

Detector térmico de incendios

Sensor producing a signal when temperature reaches a defined fire detection criterion.

Plumbing and drainage

Heat fusion joint

Termofusión de tuberías

Plastic component joint formed by heating and fusing compatible contact surfaces.

Electrical and HVAC systems

Heat meter

Contador de energía térmica

A component of a heating installation used to measure transferred heat from water flow and its temperature difference.

Foundations and structures

Heat of hydration

Calor de hidratación

Thermal energy released by chemical reactions between cement and water.

Electrical and HVAC systems

Heat pump

Bomba de calor

Equipment transferring heat between media to heat or cool, using energy to operate.

Electrical and HVAC systems

Heat pump defrosting

Desescarche de bomba de calor

Process removing ice accumulated on the outdoor exchanger during cold operating conditions.

Electrical and HVAC systems

Heat pump water heater

Bomba de calor para ACS

A component of a climate control installation used to heat domestic water using heat from an environmental source.

Electrical and HVAC systems

Heat recovery bypass

Bypass de recuperación de calor

A component of a ventilation installation used to divert air around the exchanger when thermal conditions make this useful.

Electrical and HVAC systems

Heat recovery unit

Recuperador de calor

Equipment exchanging heat between extracted air and incoming fresh air to reduce energy losses.

Electrical and HVAC systems

Heat transfer fluid

Fluido caloportador

Liquid or gas used to carry heat between components of a technical installation.

Electrical and HVAC systems

Heat transfer substation

Subestación de intercambio térmico

A component of a heating installation used to transfer heat from an external network to the building circuit.

Foundations and structures

Heat-affected zone

Zona afectada térmicamente

Region next to a weld whose material is altered by heat without melting.

Joinery and finishes

Heat-strengthened glass

Vidrio termoendurecido

Glass that receives less thermal strengthening than toughened glass and has a different break pattern.

Electrical and HVAC systems

Heated towel rail

Radiador toallero

A component of a heating installation used to heat the bathroom and hold towels on its bars.

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Technical references consulted

Definitions written in plain language using technical reference documentation.