PURASISTEMI Journal
The window system as architecture
Notes on light, materials, installation and performance for those who design openings as part of the space.
30 articles6 themesEnglish
01June 13, 2026 / 3 min readIndoor-outdoor continuity: the window system as inhabited thresholdMulti-track sliding, low-profile rails, and continuous flooring: how a sliding window system erases the boundary between inside and out.Read02June 13, 2026 / 4 min readEdge-to-edge: a formal language for contemporary designEdge-to-edge design is not a finish option — it is a design philosophy that runs across the entire PURASISTEMI range and speaks the language of architecture.Read03June 13, 2026 / 3 min readCorner windows and structural transparency: opening the viewThe glazed corner as a design decision: visual continuity, diffused light, and a dialogue between interior and landscape.Read04June 13, 2026 / 4 min readLarge sliding glazed walls: designing the panoramic openingFrom rollers to glazing, threshold to landscape: designing a large sliding system demands technical precision and architectural vision.Read05June 13, 2026 / 4 min readFlush-to-wall: when the window system disappears into the wallTotal integration between window and wall demands precise design, a subframe, and qualified installation. Architecture without interruption.Read06June 13, 2026 / 4 min readMinimal window systems: why slender profiles are defining contemporary architectureMore glass, less frame: how minimal window systems become a deliberate design statement for architects and demanding clients.Read07June 13, 2026 / 4 min readAll-glass: the window reduced to pure lightWhen the window is recessed on all four sides, only glass remains visible from outside. A technical outcome that redefines the opening.Read
01June 13, 2026 / 4 min readAcoustic comfort: the value of silence in the contemporary homeInsulating glazing, seals, and qualified installation: how the window system shapes the acoustic quality of a home.Read02June 13, 2026 / 4 min readSummer comfort: glass, solar factor, and heat controlSolar factor, selective glazing, and shading: how to design large glazed surfaces without sacrificing summer comfort.Read03June 13, 2026 / 4 min readWhat Truly Makes a Contemporary Home PremiumDetail, materials, silence and light: the quality of living that is felt before it is understood.Read04June 13, 2026 / 4 min readNatural light and wellbeing: designing with lightOrientation, light transmittance, and spatial quality: natural light as a design material.Read05June 13, 2026 / 4 min readVentilation and Air Quality: The Role of the Window SystemBetween airtightness and deliberate ventilation: how the window system shapes indoor comfort.Read
01June 13, 2026 / 4 min readAluminium and Timber: The Balance Between Precision and WarmthThermally broken aluminium structure and interior timber cover: two materials in dialogue for a unified result.Read02June 13, 2026 / 4 min readWindow and door colours: warm tones, anthracite and natural palettesFrom RAL to bicolour inside/outside: how colour choices define a project's architectural identity.Read03June 13, 2026 / 3 min readCorten, electro-colour and structured finishes for the building envelopeExternal aluminium finishes as a tool for dialogue between the window system, facade and architectural context.Read04June 13, 2026 / 3 min readThe magnetic cover: interchangeable aesthetics and considered maintenancePURASISTEMI's magnetic cover system allows interior finishes to be updated over time and simplifies access to the glazing.Read05June 13, 2026 / 4 min readSpecies and Grain: Timber as a Design MaterialOak, larch, canaletto walnut, decapè: choosing the right timber species means building coherence between window and interior.Read06June 13, 2026 / 4 min readMaterial Finishes: Surface as a Tactile ExperienceMatte, textured, electrocolour surfaces: the role of finish in contemporary design extends well beyond colour selection.Read
01June 13, 2026 / 4 min readAir, water, wind: how to read performance classificationAir permeability, watertightness, and wind resistance classifications describe real-world performance — here is how to read them.Read02June 13, 2026 / 4 min readThe European Green Homes Directive: what it means for windows and doorsThe EPBD is reshaping expectations around the building envelope — and placing windows and doors back at the heart of quality design.Read03June 13, 2026 / 3 min readEnergy renovation: why the envelope comes firstEvery quality renovation starts where energy is lost: at the building envelope, and at the windows.Read04June 13, 2026 / 4 min readThermal transmittance Uw: understanding the numbers behind thermal performanceUw, Ug, Uf: what these values actually mean and why they always depend on the specific configuration.Read05June 13, 2026 / 4 min readTriple glazing: what actually changesThermal insulation, weight, light transmission and acoustic comfort: when triple glazing is the right choice and when double glazing is sufficient.Read06June 13, 2026 / 4 min readAdvanced insulating glass: low-emissivity coatings, warm edge spacers, and structural bondingModern insulating glass is not a single choice but a system of components — each one affecting comfort, light quality, and long-term durability.Read
01June 13, 2026 / 4 min readThe Subframe: The Invisible Work That Shapes the AestheticBefore the window takes its place, the subframe sets the conditions for a flawless flush-wall result.Read02June 13, 2026 / 4 min readThe Construction Detail: Where Design Meets the SiteThe construction detail is where the designer's intent meets the reality of the site. A guide for architects and specifiers.Read03June 13, 2026 / 4 min readQualified installation is half the resultA high-quality window system achieves its full performance only when installed by professionals who understand its technical requirements in depth.Read04June 13, 2026 / 4 min readRenovating with Minimal Window Systems: Checks and OpportunitiesA high-end renovation is the opportunity to rethink light, openings and the quality of living. Here is what to assess first.Read
01June 13, 2026 / 4 min readWindows and Home Automation: The Case for Discreet IntegrationThe smart home grows around its openings. How the window system becomes part of an increasingly connected domestic ecosystem.Read02June 13, 2026 / 4 min readThe Window as an Investment: Durability and the Value of Living WellChoosing a window system with an investment mindset means thinking about quality over time, not only at the point of purchase.Read