Facade insulation in Morges: A guide for property owners

At an altitude of 375 meters and with a climate marked by 43 days of frost per year, the heating requirement is real in Morges, totaling 2681 Kj/year.

Insulating your facade is not only a matter of energy savings, it is a direct response to the municipality's climate goals. The municipality aims for carbon neutrality by 2050, seeking to drastically reduce emissions per inhabitant.

By renovating now, you anticipate future regulatory requirements while improving the overall energy performance of your building.

The ideal time to act often occurs during a global renovation or when facade refurbishment becomes necessary. By taking advantage of maintenance work to install insulation, you optimize costs related to scaffolding.

With a global irradiation of 1371 kWh/m²/year, Morges also offers opportunities to couple this insulation with other energy production measures, aligning with the city's Energy City label.

Do not delay if your current consumption is high, as heat loss through walls represents a major portion of the losses of an unrenovated building.

The selection of materials for external insulation must take into account the climatic specifics of Morges and the structure of your building.

Systems vary between synthetic insulators, often performing in terms of thickness, and natural or mineral insulators that promote the breathability of the wall.

It is essential to confirm with a professional whether your facade requires external or internal insulation depending on the architectural constraints.

External insulation is generally preferred as it completely wraps the building, eliminating thermal bridges, although it changes the exterior appearance.

2 °C. Higher-quality finishes ensure better durability against bad weather. Do not forget that any change in exterior appearance, such as a change in wall thickness, may be subject to local rules.

Planning must integrate the windows : replacing them must be coordinated with the insulation to avoid condensation points at the junction between the new insulation system and the window frames.

Morges has a varied real estate heritage, with strong construction dynamics, with more than 900 housing units built between 2020 and 2022. However, for older buildings, several technical risks must be analyzed before any insulation project.

Constructions before 1990 may have traces of asbestos in glues, mastics, or old insulation boards. A prior diagnosis is essential to avoid exposure when drilling into facades or removing old elements.

In addition, the condition of embedded networks, particularly electrical or water distribution, must be evaluated, because insulating thickness can sometimes complicate access to pipes in case of future leaks.

Older buildings also have specificities in terms of moisture management: too tight insulation without adequate ventilation can lead to internal condensation problems. Local professionals are well aware of these issues.

If your building has protected architectural elements, the risks are lower because the interventions are strictly regulated by SIPAL and the Monuments and Sites section, ensuring technical preservation while aiming for thermal improvement.

This guide does not establish a permit exemption. If your building or area is protected, check the constraints specific to your project.

It is crucial to note that a grant application must be submitted before the start of work; starting the construction site without this prior step cancels your right to financial aid. The amounts are calculated based on the energy requirements achieved.

Visit the official website of the Program Bâtiments for details on current conditions.

Tax-wise, investment in energy-saving measures is deductible. The deduction rate is 100% for these investments.

The taxpayer can choose, each tax period, between the flat-rate deduction (10 to 30% depending on the age and use of the building) or the actual costs.

If your investment costs exceed your net income for the year, the balance can be carried forward to the two following tax periods. Caution: if you receive public subsidies, you can only deduct the portion of the costs that you actually bear.

Financial planning must therefore take into account this balance between subsidies, investments, and tax optimization.

The planning of a construction site in Morges must take into account weather conditions, with 43 frost days per year that can impact wet work (plastering, finishes).

Ideally, facade work is carried out in good weather, in spring or early autumn, to ensure the good adhesion of mortars and insulation.

The typical process begins with the installation of scaffolding, an expensive step that it is highly recommended to make profitable by grouping the work: facade, window replacement, and roof inspection.

After installing the insulation materials, the work includes the preparation of surfaces and facade finishes. If your project concerns a protected area, the timeframe must be increased to include administrative back-and-forth with the authorities.

Once the scaffolding is mounted, the work generally follows by attaching the insulation panels, installing the reinforcement mesh, applying the undercoats, and finally the finishing plaster.

Coordination with window replacement is vital to ensure overall tightness. The reception of the work marks the end of the site, just before the scaffolding is dismantled, allowing for a final check of the junction points.

The most common mistake is to start work before having obtained the validation of the grant application or building permit if necessary. It is also imperative to avoid insulating the facade without treating thermal bridges related to windows or the roof.

Here is a checklist before requesting your quotes : Check if your building is located in a protected area with the municipality before any study. Ensure that the asbestos diagnosis is carried out for older buildings.

Submit your grant application to the Program Bâtiments before signing any quote. Provide adapted ventilation to avoid moisture problems after insulation. Request high-quality insulation capable of withstanding the 43 local frost days.

Coordinate window replacement with facade insulation to maximize energy savings and make the scaffolding cost-effective. Require detailed quotes specifying the type of insulation and the targeted thermal performance.