The weather side of the house is the area of the façade that is most exposed to rain, wind and other weather influences. If you want to protect the weather side of the house, you should take the right structural measures at an early stage - for example with suitable façade cladding, weather-resistant materials or external sun protection such as Roller Shutters, External Venetian Blinds and Textile Screens from ROMA. These not only provide thermal insulation, but also effective protection against wind, driving rain and weathering.
Use our ROMA specialist dealer search for expert advice in your area:
Affected side of the building: In Central Europe, the west side is usually the most affected by rain and wind (often the southwest or northwest sides as well).
Typical stresses: driving rain, wind pressure, moisture in the facade, windows, and doors.
Signs: Algae growth, damage to the exterior plaster, moisture, or mold on window frames.
Protective measures: Weather-resistant facade cladding, Roller Shutters, External Venetian Blinds, Textile Screens, canopies, and roof overhangs.
Additional benefits: Thermal insulation in summer and winter, glare protection, privacy protection, insect screens, and Smart Home integration.
The weather-facing side of the house is usually the west side in our latitudes—this is where driving rain hits the facade particularly often. Depending on the building’s location, however, the southwest or northwest sides may also be affected. Typical conditions include: strong winds , horizontal rain , and moisture penetration into facade components and window joints.
The weather-facing side can be identified based on various factors:
Wind and precipitation direction : In Central Europe, rain usually comes from western directions. A look at regional weather data can provide insight here.
Signs on the facade : Algae growth, peeling plaster, or visible discoloration often indicate the weather-facing side.
Moisture in the window reveal : Condensation, mold, or swollen wood on certain sides of the window suggest significant weather exposure.
Location Analysis : For detached houses with an exposed west-facing side, this is usually automatically the weather-exposed side. For townhouses or buildings sheltered by neighboring structures, the weather-exposed side may shift.
A qualified contractor can properly identifytheweather side and recommend specificprotective measures .
An unprotected façade area can be damaged by constant moisture ingress: Cracks, mold growth and reduced thermal insulation are common consequences. Wooden cladding or window frames also weather more quickly.
In addition to structural protection with canopies or cladding, functional external protection with Roller Shutters, Venetian blinds or Textile Screens is particularly useful - especially for window areas that are exposed to the elements.
The right combination of material selection, construction and movable weather protection ensures maximum durability:
A durable solution is cladding with weather-resistant materials such as
fiber cement,
aluminum composite panels
or treated wood.
If you want to permanently protect the weather side of the house, you should rely on rear-ventilated façades with materials that are resistant to driving rain . This is the only way that moisture can reliably dry out before it causes damage to the building fabric - this is crucial for the longevity of the entire building envelope.
Roller Shutters provide glare protection at the workplace, thermal insulation, sound insulation and, in particular, weather protection - ideal for windows on the weather side. The closed roller shutter curtain protects the pane, frame and reveal from moisture and wind pressure.
Textile Screens are weatherproof, hail and wind resistant up to 120 km/h. They provide privacy and sun protection - and help to protect sensitive glass surfaces from rain. External Venetian Blinds also offer flexible light control and are a particularly attractive option for large window areas.
Architectural measures such as canopies, roof overhangs or fixed screens reduce the direct entry of rain and wind on the weather side. Above windows and doors in particular, they prevent water from hitting façade surfaces unhindered. At the same time, they extend the service life of window frames, Roller Shutters and plaster.
In combination with intelligent solar shading, the result is an optimally protected façade area that is both functional and aesthetically pleasing.
ROMA products can be easily integrated into Smart Home systems - e.g. via app, radio or sun/weather sensor. This is a particular advantage for weather sides: systems react automatically to changes in the weather and automatically extend protective devices in the event of rain or wind.
If you want to protect the weather-exposed side of your house, you should opt for a smart combination of structural protection and a modern sun protection system. ROMA offers solutions that go far beyond traditional sun protection—they reliably shield windows, facades, and living spaces from the elements while enhancing your living comfort.
In Central Europe, the west side of the house is usually the side most affected by wind and rain. However, depending on the orientation of the building and the surrounding buildings, the south or north-west side can also become the weather side. Visible traces of moisture on the façade or window frames often provide the first clues.
Without protection, moisture penetrates the building fabric, threatening to damage plaster, wood or insulation. In addition, penetrating moisture can lead to mold growth and energy losses - with noticeable effects on living comfort and building value.
With weather-resistant materials such as fiber cement, aluminum or treated wood. It is important to have a rear-ventilated construction that allows moisture to dry quickly, as well as a driving rain-proof design in the area of the connections and transitions.
External Roller Shutters, External Venetian Blinds and Textile Screens effectively protect windows and façades from rain, wind and UV radiation. The closed sun protection acts like a protective shell - it extends the service life of windows, reduces moisture ingress and at the same time provides heat, privacy and glare protection.