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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

Work and tools

Point cloud

Nube de puntos

Set of points with spatial coordinates representing measured surfaces, usually obtained through scanning or photogrammetry.

Insulation and damp

Point thermal bridge

Puente térmico puntual

Thermal bridge localised at one point, such as a fixing penetrating the insulation layer.

Insulation and damp

Point thermal transmittance

Transmitancia térmica puntual

Coefficient quantifying the additional heat flow associated with a localised point thermal bridge.

Foundations and structures

Poisson's ratio

Coeficiente de Poisson

Ratio characterizing transverse and longitudinal strains under axial loading within the elastic range.

Joinery and finishes

Polished stone finish

Pulido de piedra

Fine-abrasion finish producing a smooth stone surface with a noticeable reflective sheen.

Plumbing and drainage

Polyethylene pipe

Tubería de polietileno

Plastic pipe commonly used for buried water supply because of flexibility.

Plumbing and drainage

Polypropylene pipe

Tubería de polipropileno

Plastic pipe used in water networks, commonly joined by heat fusion.

Insulation and damp

Polyurethane

Poliuretano

Material that can be used as thermal insulation in foam or board form.

Joinery and finishes

Polyurethane adhesive

Adhesivo de poliuretano

Polyurethane-based adhesive available in formulations containing one component or several reacting components.

Joinery and finishes

Polyurethane coating

Pintura de poliuretano

Coating based on polyurethane resins, used as a resistant finish for specified exposure conditions.

Facades and roofs

Polyurethane membrane

Membrana de poliuretano

Waterproof polyurethane resin layer able to accommodate complex shapes and building junction details.

Joinery and finishes

Polyurethane sealant

Sellador de poliuretano

Elastic polyurethane-based sealant accommodating movement within the limits of its declared performance.

Joinery and finishes

Porcelain tile

Gres porcelánico

Dense ceramic material with low water absorption, used for floor and wall coverings.

Work and tools

Porch

Porche

Space that shelters an external space with a roof beside an entrance or facade.

Foundations and structures

Pore pressure

Presión intersticial

Pressure of fluid within soil pores, influencing the soil's effective stress and strength.

Facades and roofs

Porous drainage pavement

Pavimento drenante

Pavement with a porous structure facilitating water movement within its composition and towards drainage outlets.

Masonry and materials

Portland cement

Cemento Portland

Cement based mainly on Portland clinker and components that regulate its setting.

Foundations and structures

Post-tensioning

Postesado

Prestressing in which tendons are tensioned after the concrete reaches the specified conditions.

Joinery and finishes

Pot life

Vida útil de mezcla

Time during which a prepared mixture retains conditions suitable for its intended application.

Plumbing and drainage

Potable water expansion vessel

Vaso de expansión sanitario

A component within a technical installation whose purpose is to absorb expansion of drinking water as its temperature rises.

Electrical and HVAC systems

Powder extinguisher

Extintor de polvo

Extinguisher discharging a formulated powder intended to act on specified types of combustion.

Electrical and HVAC systems

Power factor

Factor de potencia

Ratio of active to apparent power describing utilisation of an alternating-current supply.

Electrical and HVAC systems

Power optimiser

Optimizador de potencia

Device adjusting a module's electrical operation to improve its contribution to the overall array.

Electrical and HVAC systems

Power over Ethernet

Alimentación por Ethernet

Technology supplying electricity to compatible equipment through the same cable used for data.

Electrical and HVAC systems

Power quality analyser

Analizador de redes eléctricas

Instrument recording electrical quantities and supply quality to investigate an installation's behaviour.

Electrical and HVAC systems

Power supply unit

Fuente de alimentación

Equipment adapting available electricity to the voltage and current required by another device.

Masonry and materials

Pozzolan

Puzolana

Siliceous or aluminosiliceous material reacting with calcium hydroxide in the presence of water.

Work and tools

PPE

EPI

Personal protective equipment, such as a helmet, gloves or eye protection, suited to each task.

Electrical and HVAC systems

Pre-action sprinkler system

Sistema de preacción

Sprinkler system in which prior fire detection controls water admission into the pipes.

Insulation and damp

Pre-compressed sealing tape

Cinta precomprimida

Compressed foam strip expanding within a joint to contribute to sealing the connection.

Foundations and structures

Precast concrete

Hormigón prefabricado

Concrete cast and hardened before the element is moved to its final position.

Insulation and damp

Precast facade

Fachada prefabricada

Facade formed from factory-made elements assembled on the building through designed connection details.

Foundations and structures

Prefabricated structure

Estructura prefabricada

Structure assembled from previously manufactured members connected to act according to the intended design.

Foundations and structures

Prefabricated vertical drain

Dren vertical prefabricado

Permeable element in soft soil shortening drainage paths to accelerate consolidation.

Work and tools

Preliminary design

Anteproyecto

Document recording an initial proposal for layout, dimensions and design solutions.

Foundations and structures

Preloaded bolt

Tornillo pretensado

Bolt given controlled initial tension to clamp the connected components together.

Electrical and HVAC systems

Presence sensor

Sensor de presencia

Device detecting occupancy in an area and allowing lighting or other functions to adjust.

Plumbing and drainage

Press-fit pipe connection

Unión prensada de tubería

Connection sealed by mechanically deforming a fitting around the inserted pipe.

Plumbing and drainage

Pressure boosting set

Grupo de presión

Assembly of pumps and controls maintaining pressure in the water supply.

Plumbing and drainage

Pressure reducing valve

Válvula reductora de presión

A component of a water installation that helps to reduce and stabilize water pressure downstream.

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Technical references consulted

Definitions written in plain language using technical reference documentation.