Complete refurbishment of a façade can be expensive, so it is important to repair the major damage as soon as possible. Check it regularly. Small unsightly things usually do not require repair, a thorough cleaning is enough. However, if the plaster is crumbling and cracks are visible, which are constantly expanding, then you need to act. For large damage, persistently damp areas and mold, it is advisable to consult an expert Virtual Exterior renovation.
Before repairing the facade comes control
Before doing anything on the facade, you need to check everything thoroughly.
If the plaster can withstand strength, you can check with a strong tape to press a long piece tightly against the facade and quickly remove it. If large pieces are hanging, it is advisable to update the plaster in whole or in part. Based on this list, you can decide if a complete facade renovation is needed.
Types of plaster for facade repair.
- Mineral plaster is especially popular for facade renovation as it is permeable and moisture-regulating.
- Synthetic based plaster is recommended as particularly resistant to weathering.
- Coarse plaster is more susceptible to dirt. Fine-grained plaster, however, breaks down faster.
What colors are available for facades?
- Facade paint must be durable and permeable. More expensive colors often have higher opacity and more abrasion resistance.
- Dispersion paint: This facade paint adheres well to all substrates, is durable and moisture-repellent, and is available in many colors. Water-thinnable and easy to apply.
- Silicate paint: This facade paint requires a mineral base. It is permeable and suppresses algae, fungi and mold.
- Linden paint: Even lime paint prevents mildew formation, but is less commonly used today. Their opacity is poor and may cause leaching in heavy rain.
Facade cladding with facade panels, clinker, wood, etc.
Although it is more expensive than plaster, it offers many design options and can work well with new insulation. The façade cladding is attached to the supporting structure or glued to the façade. The following disguises are especially popular:
Fiber cement. Insulation and weather protection are separated. The sheath is an effective weather protection for insulation and is considered to be very durable.
Slate. Easy to clean, recyclable.
Bricks and clinker.
Wooden. Solid wood profiles additionally insulate the facade as a finishing cladding and are weather resistant.
Renovation or renovation?
Simple painting of building envelope is less associated with facade renovation, but can be an important part of it. If the facade looks dirty and unsightly, the pressure washer removes stubborn stains. If cleaning is not sufficient or new paint is part of a larger operation, attention should be paid to the following:
- Check surface and remove dirt before painting. You may need to scratch or rub off loose paint.
- Improve small holes, smooth the surface and, if necessary, sharpen the dried plaster to obtain a smooth surface.
- The primer ensures that the plaster does not absorb too much color.
- Always paint cohesive surfaces at one time to maintain an even color.
- The first coat should dry completely, then start the second.
- Avoid particularly hot, cold and humid weather. Experts recommend a temperature around 10-25 degrees Celsius.