Ribbed slab
Losa nervadaLightened slab whose bending resistance is concentrated in ribs connected by an upper layer.
UNDERSTAND YOUR BUILDING PROJECT
Construction dictionary
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2,147 construction and renovation terms9 specialtiesEasy-to-understand definitions
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Building terms, clearly explained.
2,147 terms found
Ridge tile
Caballete de cubiertaCovering piece placed along a roof ridge to close the junction between slopes.
Rigid electrical conduit
Tubo rígido eléctricoDuct that retains its shape and protects and organises routes for electrical cables.
Rigid insulation
Aislante rígidoInsulating material with a stable shape that withstands handling and retains its board geometry.
Rim lock
Cerradura de sobreponerLock that mounts its mechanism case on one face of the leaf.
Ring beam
ZunchoMember tying parts of a structure or foundation together; it may also top a wall to distribute loads.
Rip cut
Corte al hiloSawing wood approximately along the direction of its grain.
RJ45 connector
Conector RJ45Eight-contact modular connector commonly used for data links over copper wire pairs.
Road roller
Rodillo compactadorCompactor that densifies layers by passing one or more heavy drums over them.
Rolled section
Perfil laminadoMetal member with a defined cross-section produced by deforming material between rolls.
Roller shutter box
Cajón de persianaCompartment housing a rolled shutter and forming a sensitive envelope junction above the opening.
Roof
CubiertaUpper part of a building that protects its internal spaces from weather.
Roof ballast
Lastre de cubiertaHeavy material above roof layers stabilising them against displacement and wind uplift forces.
Roof batten
Rastrel de cubiertaStrip fixed to the roof support to carry or secure individual covering units.
Roof catchment area
Área tributaria de cubiertaRoof area whose runoff reaches the same gutter, outlet or drainage section.
Roof deck
Tablero de cubiertaContinuous boarded surface supporting the layers that make up the roof system.
Roof drain outlet
Cazoleta de cubiertaComponent receiving roof water and joining the waterproofing layer to the drainage pipe.
Roof flashing
Babero de cubiertaSheet detail directing water away from roof junctions, changes of plane or penetrations.
Roof hip
LimatesaExternal inclined edge formed where two sloping roof surfaces meet one another.
Roof parapet
Peto de cubiertaLow perimeter wall extending above a roof to define or protect its edge.
Roof pipe sleeve
Pasatubos de cubiertaConnection component allowing a pipe to pass through a roof while maintaining weather tightness.
Roof plan
Plano de cubiertaDrawing showing the arrangement, slopes and visible roof elements.
Roof ponding
Encharcamiento de cubiertaPersistent water accumulation on a roof due to geometry, blockage or insufficient drainage capacity.
Roof purlin
Correa de cubiertaLongitudinal beam supporting secondary members or panels of a roof.
Roof ridge
CumbreraUpper line where two roof slopes meet and descend towards opposite sides.
Roof sandwich panel
Panel sándwich de cubiertaComposite roof panel with two resistant facings and an insulating core between them.
Roof slope
FaldónEach inclined roof surface that receives rain and directs it towards drainage points.
Roof space
Bajo cubiertaSpace that lies directly below the roof and may have variable height.
Roof terrace
AzoteaUpper outdoor surface of a building, usually flat and bounded by perimeter elements.
Roof underlay
Lámina bajo tejaLayer beneath roof tiles helping manage incidental water and protect the underlying layers.
Roof valley
LimahoyaInternal inclined junction between two roof slopes that collects and channels rainwater.
Roof verge trim
Remate lateral de cubiertaComponent or detail closing the side edge of a roof and protecting its layers.
Roof walkway
Pasarela de cubiertaStable route across a roof providing intended access to equipment and maintenance areas.
Roof watertightness test
Prueba de estanqueidad de cubiertaControlled assessment of a roof waterproofing system to identify possible water entry paths.
Roof window
Ventana de tejadoWindow fitted within a sloping roof plane providing daylight and potentially ventilation.
Roof-to-wall junction
Encuentro de cubierta con paredJunction between a roof and vertical wall requiring continuous protection against water entry.
Roofing slate
Pizarra de cubiertaThin split natural stone plate used as a covering unit on pitched roofs.
Rooflight
LucernarioIndividual or continuous glazed roof opening intended to illuminate internal spaces from above.
Rooflight upstand
Zócalo de lucernarioRaised base above the roof supporting a rooflight and enabling its waterproof connection.
Root barrier membrane
Lámina antirraícesMembrane intended to limit root penetration into protected layers of a vegetated roof.
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Technical references consulted
Definitions written in plain language using technical reference documentation.
- Fundación MUSAAT · Zapata
- Fundación MUSAAT · Zuncho
- ANFAPA · SATE
- CTE: Documento Básico SE-C Cimientos
- CTE: Documento Básico SE-A Acero
- CTE: Documento Básico SE-F Fábrica
- CTE: Documento Básico SE-M Madera
- European Commission JRC: Eurocode 7 geotechnical design examples
- WoodWorks: What is mass timber?
- Steel Construction Institute / BCSA: Member design
- American Concrete Institute: Self-consolidating concrete
- American Shotcrete Association: About shotcrete
- American Cement Association: types of cement
- NRMCA: Concrete in Practice technical topics
- FHWA: Alkali-silica reaction mechanisms
- American Concrete Institute: Chlorides and reinforcement corrosion
- Concrete Society: Carbonation of concrete
- American Concrete Institute: Guide to estimating prestress losses
- European Commission JRC: Major concepts of the EN Eurocodes
- CTE: Documento Básico SE Seguridad estructural
- CTE: Documento Básico SE-AE Acciones en la edificación
- Steel Construction Institute / BCSA: Composite construction
- Steel Construction Institute / BCSA: Welding
- Steel Construction Institute / BCSA: Steel construction products
- Steel Construction Institute / BCSA: Simple connections
- USDA Forest Products Laboratory: Wood handbook
- USDA Forest Products Laboratory: Wood composite materials
- WoodWorks: Index of mass timber connections
- Structural Timber Association: Timber systems
- Hispalyt: ejecución of fábricas of ladrillo, colocación
- American Cement Association: applications of cement
- ITeC: evaluación técnica of mortero of cal para revoco
- USG: joint compound technical data
- Sika: backer rod and sealant joint geometry
- Natural Stone Institute: varieties of stone
- Natural Stone Institute: technical bulletins
- Tikkurila: common painting problems
- Bona: recoating wood floors
- Placo: soluciones of yesos of terminación
- Kreidezeit: Tadelakt technical information
- Mapei: adhesive classification and selection
- Forbo: linoleum raw materials
- CTE DB-HS: Salubridad
- CTE DA DB-HE/1: Parámetros of la envolvente
- CTE DA DB-HE/2: Condensaciones
- CTE DA DB-HE/3: Puentes térmicos
- CTE DB-HR: Protección frente al ruido
- SOPREMA: Blue roofs and stormwater
- Building Science Corporation: Understanding Air Barriers
- Sika: Single-ply roof membranes
- SOPREMA: Tecnologías of impermeabilización
- Aliaxis: Akasison siphonic roof drainage systems
- ITeC: Evaluaciones DAU of sistemas of fachada
- CSTB: Laboratoire façades
- EOTA EAD 040083-01-0404: External thermal insulation composite systems with rendering system
- US Department of Energy: Guide to cool roofs
- Passive House Institute: Airtightness measurements
- Passive House Institute: Grundlagenwissen Luftdichtheit
- pro clima: Humidity-variable vapour control
- US EPA: Types of green infrastructure
- Saint-Gobain Glass: Acoustic laminated glass
- Saint-Gobain Glass: Solar control and low-emissivity coatings
- Saint-Gobain Glass: Glazing cavities and warm-edge spacers
- IDAE — La bomba of calor en la rehabilitación energética of edificios
- IDAE — Instalaciones of climatización con equipos autónomos
- IDAE — Instalaciones of climatización por agua
- IDAE — Sistemas of intercambio geotérmico of circuito cerrado
- U.S. Department of Energy — Whole-House Ventilation
- U.S. Department of Energy — Heat Pump Water Heaters
- U.S. EPA — Types of Septic Systems
- U.S. EPA — Point-of-Use Reverse Osmosis Systems
- U.S. EPA — Home Water Treatment Guide
- U.S. EPA — HEPA Filters
- Caleffi — Separation in Hydronic Systems
- Caleffi — Hydraulic Separators
- Grundfos — Non-return Valve
- Honeywell — SV2 Safety Shut-off Valves
- CDC — Legionella Control
- CDC — Carbon Monoxide Basics
- Schneider Electric — Electrical Installation Guide: Earthing schemes
- IET — Residual current devices
- Schneider Electric — Arc fault detection devices
- U.S. Department of Energy — Solar Photovoltaic Technology Basics
- Cisco — What is Power over Ethernet?
- INSST — Fichas of selección y uso of EPI
- INSST — Equipos of trabajo y máquinas: Listado of NTP
- Siemens — Aspirating smoke detectors
- DALI Alliance — Introducing DALI
- Schneider Electric — Types of RCDs
- KNX Association — What is KNX?
- U.S. Department of Energy — Solar Integration: Inverters and Grid Services Basics
- CharIN — Technical Details CCS (Basic)
- Televés — PAUs (Cajas), distribución of telefonía
- Fluke Networks — What parameters are tested with the CableIQ?
- Tyco Fire — Solenoid valves for deluge and preaction systems
- Autodesk: architectural drawings
- RICS: New Rules of Measurement
- National Park Service: Preservation Briefs
- HSE: demolition
- ASSA ABLOY: door controls
- EGGER: wood-based boards
- Pilkington: solar control glass
- Festool: circular saws for carpentry
- Pilkington: float glass manufacturing
- Pilkington: toughened and heat-strengthened glass
- Autodesk: clash detection setup
- Autodesk: common data environment
- Bohle: suction lifters for glass
- ISO: air permeability test method
- Barcelona City Council: building works authorisation
- ChovA: roof drain outlets