El blog inteligente
Obtén consejos y recomendaciones sobre las últimas tecnologías para la construcción sostenible. Descubre cómo inspiramos a clientes, empleados y otras empresas.
What Is the Passivhaus Trust?
Who is the Passivhaus Trust, and what does it do? Our quick guide covers the UK's official Passivhaus organisation, why the standard matt...
Intelligent Membranes Is Now on Europages
We're now listed on Europages, the B2B marketplace used by buyers and specifiers across Europe to find suppliers. Here's what that means ...
Intelligent Membranes joins Home by Milestone
We are now members of Home by Milestone, connecting our liquid airtightness range with a community focused on sustainable homebuilding an...
Construyendo edificios herméticos en Los Ángeles: Passivhaus Supply + Membranas inteligentes a la vanguardia del consumo energético neto cero.
Passivhaus Supply Los Angeles está impulsando la construcción de edificios con consumo energético cero en California mediante el suminist...
Send Us Your Drawings — Free Technical Markup From the IM Team
Email us your architectural drawings and our technical team will mark up the airtight line, flag the weak junctions and spec the right pr...
How to Find Air Leaks: Smoke Testing With the Wohler S 100
How to find air leaks before the air test: smoke testing with the Wohler S 100 smoke stick — where to check, what the smoke shows, and ho...
We Want to See Your Product in Action — Show Us Your Build
Used Passive Purple, The GOAT or any Intelligent Membranes product on your project? Send us your photos, videos and air test results — we...
Why Two Houses on the Same Street Can Have Completely Different Radon Readings
It's tempting to assume that if your area is a radon hotspot, every house on the street reads the same. Here's why that's wrong, and what...
What Is Thermal Bridging? Causes, Prevention and Building Regulations Explained
Thermal bridging is one of the leading causes of heat loss in buildings. Discover what it is, what causes it, how it affects energy effic...
White Roofs Work: The Only Catch Is Keeping Them White
Science has known for decades that white roofs beat dark ones. The one thing that held them back wasn't performance, it was soiling, and ...
Meet IPAC – Intelligent Protect And Clean: Our Approved Nationwide Installers
Want Intelligent Protect supply-and-applied? IPAC (Intelligent Protect And Clean) are our approved, family-run installers — spray-applyin...
Waterproof Blue Explained: A Liquid Replacement for Plastic DPMs and DPCs
Waterproof Blue replaces loose-laid plastic DPM and DPC sheet with a single roller-applied liquid membrane, seamless, jointless, and rado...
Passive Purple and the Considerate Constructors Scheme: Building Airtight, Building Responsibly
Passive Purple is recognised within the Considerate Constructors Scheme best-practice library. Discover how a very low VOC, liquid-applie...
My Builder Forgot the Vapour Control Layer? Don’t Panic - Here’s How to Fix It
Forgot the vapour control layer? Don’t panic. Because our membranes are liquid-applied, it’s almost always fixable without demolition. he...
Why Customers Trust Passive Purple: Real Reviews on Trustpilot
Rated 4.4 / 5 ‘Excellent’ on Trustpilot. From self-builders to main contractors, see why architects and installers trust Passive Purple —...
Passive Purple BIM Objects: Download Airtight Membrane Data for Your Next Specification
Specify with confidence. Passive Purple airtight and vapour control membranes are available as free, ready-to-use BIM objects on BIMobjec...
Applying Passive Purple by Roller: Creating a Continuous Airtight Vapour Control Layer
Passive Purple can be applied using a roller, providing a practical and effective method for creating a continuous airtight vapour contro...
Why Intelligent Membranes Invests in NBS
Intelligent Membranes continues to invest in NBS (National Building Specification), one of the construction industry's leading specificat...
The Airtightness Challenge Facing Modern Construction: Why Blockwork Alone Is No Longer Enough
The 2022 updates to Part L Building Regulations introduced stricter energy efficiency requirements, driving changes in wall construction,...
Step Inside the Project: Exploring Construction Through 360° Tours
360° construction tours provide a more immersive way to explore building projects beyond traditional photography. By allowing viewers to ...
Insights from the Marketing Passivhaus Podcast with Adam White
Adam White, CEO of Intelligent Membranes, joins the Marketing Passivhaus podcast to share insights from his journey from tradesperson to ...
Vapour Barrier or VCL? Vapour Control Layers Explained
VCL stands for vapour control layer: the layer on the warm side of the insulation that limits how much moisture reaches the structure. “V...
What Causes Condensation in Buildings?
Condensation occurs when warm, moisture-laden air comes into contact with colder surfaces, often forming within walls and building struct...
What Is Radon? How It Enters Buildings and How to Manage It.
Radon is a naturally occurring, invisible gas that can enter buildings from the ground and accumulate indoors if not properly managed. Wh...
¿Qué significa un ETA? La membrana de techado GOAT explicada
Una Evaluación Técnica Europea (ETA) proporciona una verificación independiente de que un producto de construcción ha sido probado y cump...
Cómo la estanqueidad al aire y las capas de control de vapor contribuyen a la construcción de edificios con consumo energético neto cero.
El estándar británico de edificios con cero emisiones netas de carbono está transformando el diseño de edificios, con un mayor énfasis en...
Remodelación de Ferndale Rise: Transformación de una casa de la década de 1930 con energía pasiva.
La rehabilitación de Ferndale Rise demuestra cómo una casa adosada tradicional de la década de 1930 puede transformarse en una propiedad ...
Intelligent Membranes se une al Consejo del Radón: Elevando el estándar de seguridad contra el radón en el Reino Unido.
Nos enorgullece anunciar nuestra incorporación al Consejo del Radón, lo que refuerza nuestro compromiso con las mejores prácticas en la m...
¿Por qué Intelligent Membranes utiliza imágenes de 360°?
Imágenes de 360 grados de controles herméticos de vapor líquido
Por qué confiamos en Graco y Spray Plant UK
Lograr la hermeticidad propia de una casa Passivhaus no tiene por qué implicar semanas de sellado. Al combinar Passive Purple con los pu...
Presentamos el bar más hermético del mundo, ubicado en Cambridgeshire.
El primer pub hermético del mundo ha abierto sus puertas en Cambridgeshire. Construido según los estándares Passivhaus y alimentado por ...
Por qué Passivhaus establece el estándar
Passive Purple desempeña un papel fundamental en el cumplimiento de los estándares Passivhaus, gracias a su membrana hermética líquida s...
Adam White amplía su apoyo benéfico a la Fundación Blue Ribbon.
Intelligent Membranes se ha unido a la Fundación Blue Ribbon para promover la salud mental y física de los hombres, abordando de frente ...
Nuestro director general, Adam White, se unirá a Offsite Dirt.
Adam White se une a Offsite Dirt Network y a la experta en construcción modular Audree M Grubesic para apoyar la innovación, la colabora...
Intelligent Membranes se compromete a renovar su patrocinio del stand de Habbin.
Intelligent Membranes ha confirmado la extensión por un año de su patrocinio de la tribuna Habbin en el Abbey Stadium, reafirmando así s...
Intelligent Membranes se convierte en patrocinador de Passive House California.
Intelligent Membranes se enorgullece de apoyar a Passivhaus California como parte de su continua expansión en el mercado estadounidense....
Normas NHBC 2023: Membranas impermeables como sistema de impermeabilización.
Las actualizaciones de julio de 2023 de las Normas NHBC 2023 introducen requisitos obligatorios para las membranas impermeabilizantes líq...
Las membranas inteligentes aparecen en el componente destacado del acelerador de casas pasivas.
Nos enorgulleció participar en el podcast Passive House Accelerator para hablar sobre cómo Intelligent Membranes está impulsando la const...
Elevando el estándar: Intelligent Membranes se une a la AECB para impulsar la construcción sostenible.
Intelligent Membranes se enorgullece de convertirse en miembro oficial de la Asociación para la Construcción con Concienc...
Intelligent Membranes continúa apoyando a Passivhaus Trust como miembro.
En Intelligent Membranes nos enorgullece renovar nuestra membresía en Passivhaus Trust, reforzando así nuestro compromiso con los estánda...
¿Paredes húmedas? Dos soluciones transpirables que realmente funcionan.
Las paredes húmedas son más que un problema superficial; son una señal de que la humedad penetra en la estructura del edificio y comprom...
Protección de ventanas en aerosol: Ahorre tiempo y dinero en las obras de construcción.
Las obras de construcción son entornos ajetreados donde las ventanas nuevas pueden rayarse, astillarse o dañarse fácilmente con pintura y...
Membranas inteligentes en la Conferencia Passivhaus del Reino Unido e Irlanda 2025
Intelligent Membranes participará en la Conferencia Passivhaus 2025 del Reino Unido e Irlanda en Belfast , donde se unirá a líderes del s...
Magna Medical Centre, Rackheath | Airtightness Case Study
See how Intelligent Membranes helped deliver exceptional airtightness at Magna Medical Centre, achieving just 0.2 ACH across a modular he...
0.04 ACH at Oxford University’s Collections Storage Facility - Airtight White Delivers on Glencar’s First Passivhaus Project
Pre-air test result: 0.04 ACH on the ancillary building at Oxford University’s Collections Storage Facility in Swindon — fifteen times ti...
“La estanqueidad Passivhaus en acción: cómo Passive Purple construyó una casa prefabricada de madera MMC sin juntas visibles en Cambridge”
How Intelligent Membranes delivered a full liquid-applied airtightness and weatherproofing package on a White-Haus Bespoke Timber Frame h...
Construcción de Armaduras de Madera de Alto Rendimiento - Croydon
Este proyecto de estructura de madera de Croydon demuestra cómo un sistema totalmente integrado Passive Purple puede ofrecer una estanque...
Caso práctico: Mejora de la adherencia y la estanqueidad con Supergrip Primer en una construcción con ICF y bloques.
How Supergrip Primer solved the adhesion challenge on a luxury ICF and blockwork build, giving Passive Purple a high-grip base for a cont...
Waltham Forest College Passivhaus Training Hub
See how Intelligent Membranes, Waltham Forest College and White Haus Timber Frame helped create a hands-on training hub for airtightness,...
Case Study: Up to 30–45% Cooler — The GOAT Solar Reflective Roof Membrane in Dubai
We sprayed The GOAT in solar reflective white across a Dubai rooftop — deck, upstands, plant bases and pipework in one seamless membrane....
Reuben College Oxford – Award-Winning Airtight Basement Solution Using Airtight White
The University of Oxford's £45 million redevelopment of Reuben College transformed the Grade II-listed Radcliffe Science Library into a s...
Bedford Academy Expansion – Achieving 0.43 ACH Airtightness with Passive Purple
Bedford Academy's major expansion project required a high-performance airtightness solution capable of supporting ambitious energy-effici...
The Dairy Passivhaus Project Achieves Outstanding Airtightness with Passive Purple
The Dairy Passivhaus project showcases how Passive Purple & Passive Purple External helped create a highly airtight, energy-efficient...
Oxford Brookes University Workshop Building Uses Passive Purple to Support Net Zero Construction Goals
Oxford Brookes University's £60 million Workshop Building uses Passive Purple to create a continuous airtight building envelope, supporti...
Everton Heath Primary School Achieves Outstanding 0.3 ACH Airtightness Result with Passive Purple
Discover how Everton Heath Primary School achieved an exceptional airtightness result of just 0.3 ACH using Passive Purple and Passive Pu...
Dudley College Animal Studies Centre Retrofit: Achieving 0.91 ACH with Passive Purple
This £7.5 million deep retrofit transformed a redundant 1950s building into Dudley College's modern Animal Studies Centre. Using Passive ...
Ferndale Rise Retrofit: Achieving 0.54 ACH with Passive Purple & Brick Seal
Discover how Koru Construction and Intelligent Membranes transformed a 1930s semi-detached property in Cambridge into a high-performance,...
"Estudio de caso de rehabilitación en Oxford: Logrando una estanqueidad excepcional con Passive Purple"
Resultados El logro de una puntuación de 0,4 ACH subraya el potencial de las técnicas modernas de rehabilitación para transformar edif...
Instalación de modernización pasiva de color púrpura en Londres: hermeticidad para la eficiencia energética.
PRODUCTOS UTILIZADOS EN ESTE PROYECTO Membrana impermeabilizante exterior impermeable y resistente al fuego Passive Purple (10 kg) – Ap...
Cómo Intelligent Protect protegió 1500 m² de ventanas en la residencia de estudiantes de Harrow.
Intelligent Protect kept 1,500m² of new windows damage-free at a Harrow student accommodation scheme — spray-applied peelable protection ...
"Hermeabilidad de cuatro camas con sistema Passive Purple"
PRODUCTOS UTILIZADOS EN ESTE PROYECTO 1. Exterior púrpura pasivo Membrana impermeabilizante exterior impermeable y resistente al fue...
Airtightness detailing around windows and doors (UK guide)
The gap between a window or door frame and the structure is one of the most common air leakage paths in a building. This UK guide shows h...
How to waterproof a wet room before tiling (UK guide)
Tiles and grout are not waterproof - the tanking layer behind them is what keeps water out of the structure. This UK guide explains how t...
How to pass an air permeability test (and what to do if you fail) - UK guide
An air permeability (air tightness) test measures how leaky a building is. This UK guide explains what the test measures, how to prepare ...
How to waterproof a flat roof (UK guide)
A liquid-applied coating is one of the simplest, most reliable ways to waterproof a flat roof - seamless, with no joints to fail. This UK...
Which waterproofing product do you need? A UK guide to coatings, membranes and tanking
Masonry, a flat roof, a basement, a wet room - each waterproofing job needs a different product. This UK guide matches the job to the rig...
How to tank a basement or cellar from the inside (UK guide)
Tanking a basement from the inside creates a continuous waterproof barrier that holds back ground water so you can use the space. This UK...
How to treat rising damp in walls and floors (UK guide)
Rising damp is ground moisture drawn up through walls and floors where the damp-proof course has failed or is missing. This UK guide expl...
Condensation and black mould on walls: causes and how to stop it (UK guide)
Black mould on walls is almost always condensation - warm, moist indoor air meeting cold surfaces. This UK guide explains the four levers...
How to stop penetrating damp through an external wall (UK guide)
Penetrating damp is rainwater getting in from outside - through cracked render, failed pointing, leaking gutters or a soaked solid wall. ...
Where does the vapour control layer go in the wall build-up? Layer by layer (UK)
A layer-by-layer reference showing exactly where the vapour control layer sits in a timber frame wall, internal wall insulation, a warm r...
Rising damp, penetrating damp or condensation? How to tell the difference (UK guide)
Damp on a wall has three main causes - rising damp, penetrating damp and condensation - and each needs a completely different fix. This U...
Which side of the insulation does a vapour control layer go? (UK guide)
The short answer and the full why: a vapour control layer goes on the warm (inside) side of the insulation. A practical UK guide to warm-...
VCL vs breather membrane: what's the difference? (UK guide)
A vapour control layer and a breather membrane look similar but do opposite jobs. This UK guide explains the difference, where each one g...
Ground floor penetrations: sealing soil pipes and incoming services against air, damp and radon
Soil pipes, water mains and cable ducts through the ground floor have to seal against air leakage, moisture and, in affected areas, radon...
Service penetrations: the pre-air-test checklist
A room-by-room checklist for finding and fixing leaking pipe, duct and cable penetrations before the air tester arrives, while you can st...
How to fit an airtight grommet into a liquid membrane on masonry and timber frame
A step-by-step guide to joining a pipe grommet to a liquid-applied airtight layer such as Passive Purple, on blockwork, brick and timber ...
MVHR ducts and heat pump pipes: sealing the penetrations low-carbon homes depend on
MVHR only recovers heat in an airtight house, and every heat pump adds pipes through the wall. How to seal ducts, flow and return pipes, ...
Sealing service penetrations in retrofit: what to do when the pipes are already in
In retrofit the pipes are already connected, so a standard grommet will not slide on. Where old houses leak around services, what PAS 203...
Airtight grommets in new build: getting penetrations right for Part L and the Future Homes Standard
Every new home is now air tested, airtightness details must be photographed, and the Future Homes Standard tightens targets again. How to...
Airtight pipe grommets explained: how to seal service penetrations properly
What an airtight pipe grommet is, why round pipes through a flat airtight layer fail air tests, and when a grommet beats tape, foam or se...
If My House Is Airtight, Do I Need MVHR? Airtightness and Ventilation Explained
Airtightness and ventilation aren't opposing goals. Here's why a tight building needs a deliberate ventilation strategy, what Part F actu...
Less plastic in the skip: cutting landfill waste and dust on strip-out with Surface Pro
Polythene sheeting, boards and tape are bought to be binned. A sprayed, peelable, biodegradable film does the same job with less plastic ...
The key-shaped grommet: sealing a cable penetration before the cable exists
A 360° look at a service penetration sealed in a deliberate key shape, so the cable that isn't installed yet still comes through a seal r...
Airtight and on show: Airtight White as the finished surface
A 360° look at a museum project where Airtight White is both the airtightness layer and the surface people see — and what that removes fr...
Blockwork is not an air barrier: what a sealed masonry flat actually looks like
A 360° walk through a blockwork flat with the airtightness layer already on: where to look, which junctions matter, and why the plasterbo...
Radon, Airtightness Tape and Service Penetrations
Airtightness alone does not establish radon suitability. Learn what evidence and details to check for tape, collars and service penetrati...
Airtightness Tape vs Liquid Airtight Membrane
Compare tape connections with liquid-applied airtightness, including preparation, installation costs and the details needed when combinin...
Why Airtightness Tape Peels Off and How to Put It Right
Diagnose lifting tape by checking what failed, the substrate, moisture, contact and movement. Plan a repair that restores the complete ai...
Fleece Tape vs Butyl Tape vs Foil Tape: What to Choose
Fleece, butyl and foil describe different parts of a tape. Compare complete products against the joint, substrates, moisture design and f...
El Niño 2026: What It Means for UK Buildings and How to Prepare
El Niño 2026 is already near record levels, and the latest Met Office outlook points to a higher chance of a warm, wet and increasingly w...
How to Achieve 0.6 ACH: Hitting the Passivhaus Airtightness Target
0.6 air changes per hour is the number every Passivhaus project has to hit. Here’s how buildings actually achieve it — design-stage plann...
Part L and the Air Barrier Line: Where You Draw It Decides Whether You Pass
Approved Document L states that internal plasterboard linings are not appropriate as an air barrier solution — and every dwelling is now ...
Passive Purple Achieves the French A+ Indoor-Air Rating
Passive Purple earned France's cleanest A+ VOC emissions band, tested to EN 16516 by an accredited lab — a recognised European indoor-air...
Passive Purple Certified to the Finnish M1 Emission Class
Passive Purple holds the top Finnish M1 emission class, VTT-tested and RTS-classified free from VOCs and formaldehyde — a second independ...
Passive Purple's EPD: The Low-Carbon Credential for Specifiers
Passive Purple's verified EN 15804 EPD gives architects transparent, third-party whole-life carbon data — GWP 2.38 kg CO₂ eq./m² — to sup...
Passive Purple Is Certified Class A Airtight by the Passive House Institute
Independent PHI testing to DIN EN 12114 awards Passive Purple top Class A (phA) airtightness at 0.02 m³/(h·m²), with connection results a...
Tested Air Barrier: Passive Purple Meets ASTM E2178
The same Passive Purple certified to EN in Europe is independently tested to ASTM E2178 in the US, so it can be specified across the US a...
Passive Purple Fire Performance: Class A in the US, Euroclass C (and B-s1,d0 with FRED)
Independently tested fire classifications on both US and European systems: ASTM E84 Class A, EN 13501-1 Euroclass C-s1,d0 alone, and B-s1...
Passive Purple as a Radon and Methane Barrier: One Continuous Coating
Independently tested radon and methane data shows how one continuous liquid membrane can serve as both airtight layer and ground-gas barr...
What Does Passive Purple Stick To? Independent Adhesion Testing Across Substrates
Independent pull-off tests across steel, timber, masonry, gypsum, boards and insulation show Passive Purple's bond consistently beats the...
Mould and Fungal Resistance: How Passive Purple Protects Airtight Interiors
Passive Purple scored a perfect 10/10 for mould over 28 days and zero fungal growth in independent ASTM testing, protecting healthy airti...
Waterproof, Watertight and Vapour-Intelligent: How Passive Purple Manages Water and Vapour
One liquid-applied coating that is airtight, watertight to EN 14891 and vapour-intelligent, with high elongation to bridge cracks and mov...
What an ETA Means: Poseidon Wetroom Waterproofing, Certified
Explains what a European Technical Assessment is and why Poseidon's ETA-23/0378, its EN 14891 results and 25-year assessed working life g...
Poseidon Meets the US Tile Standards: ANSI A118.10 & A118.12
Shows how Poseidon passes ANSI A118.10 waterproofing and A118.12 crack-isolation tests, plus ASTM and CA 01350 data, making it a membrane...
Passive Purple External: Fire Class B, Watertight and Breathable
A liquid-applied façade membrane that is fire-rated (Euroclass B-s1,d0), Class W1 watertight, airtight and vapour-open (Sd ≈ 0.6 m) in on...
The GOAT: 344% Stretch, Crack-Bridging and a Cool-Roof White
A technical deep-dive into The GOAT liquid waterproofing: ~344% elongation, 1.15–1.84 mm crack-bridging, watertight at 150 kPa, 25-year E...
Waterborne vs Solvent-Based Reflective Roof Coatings: Why It Matters
Not all reflective roof coatings are equal — the carrier matters. Here's what waterborne vs solvent-based really means for odour, VOCs, f...
SRI Explained: What Solar Reflectance Index Means for Your Roof
SRI is the single number that tells you how cool a roof surface stays in the sun. Here's what Solar Reflectance Index actually measures, ...
Cool Roofs and Part L: Where a Reflective Roof Fits UK Building Regs
Part L is about heat loss, not solar gain — so where does a solar-reflective roof actually help with compliance? A plain-English look at ...
How to Cool an Ageing Bituminous Roof — Without Ripping It Off
Most flat roofs in Britain are bituminous, dark and older than they look. A waterborne, solar-reflective retrofit coating can go straight...