Rehabilitation of Facades
From RUM REHABILITATION we offer the services of reform and rehabilitation of facades for Communities of Owners and individuals.
There are different constructive solutions for rehabilitate the facades of our buildings, being the most common, the plaster of cement, plaster with mortar layer (scraping or with arid projected), the systems SATE and the more unusual the ventilated facade.
Rehabilitation of Facades
Facades finished with plaster of cement and painted
Let's start with the most common in the past decades, due to its low price, and is no other than the facades finished with plaster of cement and painted.
To repair a facade with plaster of cement and paint it is necessary to follow the following steps:
- Clean the surface of the facade with soap and water to remove any dirt or debris of loose paint.
- Inspects the facade to detect cracks or holes in the plaster and cement repair these defects by using a repair mortar.
- Once the repair mortar has dried, apply a coat of primer to seal the surface.
- Finally, he painted the facade with a paint suitable for exterior and allowed to dry according to the manufacturer's instructions.
Tips to achieve an optimal repair of facades with plaster of cement and paint
While these steps are crucial to repair a facade with plaster of cement and paint, there are some details that can help you achieve an optimal result. Here you have some recommendations:
If the façade features mold, mildew or algae, it is important to treat it before you begin the repair. There are specific products to remove these spots and prevent their re-emergence.
In the application step repair mortar, make sure to use a suitable trowel to obtain a uniform surface. It is also important that the mixture has the right consistency to avoid cracks or collapses later.
The choice of paint is the key to ensure good durability and protection of the facade. Looking for a paint especially formulated for exterior use and is resistant to weather and moisture.
If the facade is a design or texture-specific, it is important to choose a painting to maintain these characteristics and not the tape completely.
Be sure to follow the instructions of the manufacturer of the paint in terms of drying time and application layers. This will ensure that the paint will adhere properly and has a good aesthetic appearance.
Plaster of cement: the lining is more used in the facades of low-budget, but with numerous negative aspects
Within coatings mortar, the plaster cement it is the harder and more resistant. These properties make the coating more used to be the finishing usual in the fronts of the homes of low-budget and in practically the whole of the property line. The negative aspects are numerous, it is excessively rigid (cracks easily), presents a final look very poor, so the usual practice is to use it as support for a new coating of finish, which may consist of a single painting, or in a new layer of finer material.
The cost of this system is the one that requires the lower investment initial of all systems that will be exposed, however prior to his employment, it should be borne in mind that it requires more maintenance because it requires a higher frequency of painted and cleaned. An estimate of the completed system with a exterior paint, would have a cost of approximately (including rental, erection and dismantling of scaffolds) from 26€/m2.
Despite its lower cost initial, this system in the medium term assumes major financial outlays that the first two to not bring any type of savings (due to non-availability of thermal insulation), and its maintenance is the most common of the four.
It is not a system recommended by its mechanical characteristics, its excess of rigidity causes numerous fissures and cracks when the structure is wooden, metal, or when the structure is reinforced concrete.
With respect to their characteristics higrotérmicas nor is it a system recommended, the cement mortar it is impermeable to water vapor, which, coupled with the lack of external insulation, often lead to condensation inside with its important implications for the health of the occupants of the dwellings.
Recommendations for the rehabilitation of façades with thermal insulation on its outer face
For the rehabilitation of a facade should opt for any of the other options available in the market. Both the option of ventilated facade as the system "SATE" they are excellent solutions for the rehabilitation of facades. The value added of these solutions is high, highlighting the important aspects of durability, no maintenance and energy savings that means for the owners of the properties.
There are many reasons why we recommend the solutions of repair of facades with insulation on the exterior side. As it relates, a facade restored by means of a solution of thermal insulation on its outer face (ventilated façade system or system (EIFS) is significantly more effective than the other restored by using a traditional solution (types of cement or ready monolayer) in any of the aspects studied.
This is a common council of the maintenance of the houses. It is suggested to paint the front every 5 years to keep it in good condition and avoid long-term damage. However, the frequency can vary depending on such factors as the weather and the quality of the paint used.
Rehabilitation of Facades
Facades finished with a single layer of mortar
The process for repairing a façade and applying one-layer rendering may vary depending on the current state of the façade and the specific needs of the project. In general, the process may include cleaning and preparing the surface, repairing any existing cracks or damage, applying a base coat and finally applying the single coat render. It is important to have a qualified professional to carry out this type of work.
To repair the façade with a single layer of mortar cotegran, you will need to follow the following steps:
- Clean the surface and remove any remaining dust, dirt or old paint.
- Prepares the a single layer of mortar according to the manufacturer's instructions.
- Apply the mortar over the damaged surface, using a notched trowel.
- Smooth the surface with a rubber spatula, removing any excess mortar.
- Leave to dry mortar according to the manufacturer's instructions.
Remember to use protective equipment, such as gloves and goggles, to avoid any injury.
Although the steps that you have mentioned are very important to repair the façade with a single layer of mortar cotegran, there are also some additional aspects that you can consider:
It is important that the ambient temperature and the relative humidity are appropriate at the time of the a single layer of mortar. If the temperature is too low or the humidity is very high, it could affect the quality of the application and drying of the mortar.
If the facade has cracks or fissures deepit is recommended to use a fiberglass-mesh to reinforce the repair. This mesh was placed over the damaged surface before applying the a single layer of mortar.
Techniques and recommendations for the repair of facades with a single layer of mortar
If the facade has stains of moisture, it is important to treat the root of the problem before applying the a single layer of mortar. Otherwise, moisture can seep through the mortar and damage the long-term repair.
If the facade has a complex design or architectural details, it is possible that you need to use different tools to apply the a single layer of mortar in difficult to reach areas.
Always remember to be careful and follow the manufacturer's instructions to achieve a successful repair.
This system consists in the application of a mortar-dosedcomposed by cement, additives, aggregates, and fibers, which only added with water and once kneaded, spreads, or projected in layers of 15 mm on the walls of the exterior faces of housing. The facades are finished with this system to acquire waterproof and breathable properties that contribute to good behavior hygrothermal, without getting any improvement in thermo-acoustic significant, although if it has finished to elegant to have a wide range of colors. An estimate of this finish system with a monolayer would have a cost of approximately (including rental, erection and dismantling of scaffolds) from 35 €/m2.
Rehabilitation of Facades
Facades finished with SATE
The construction of a SATE façade (External Thermal Insulation System) is generally carried out by placing isolators on the outer surface of the wall, followed by the fixing of a reinforcing mesh and the application of a coating. This system helps improve the energy efficiency of buildings and reduce heating and cooling costs. However, trained professionals must be available for its correct installation and to ensure its durability and safety.
The rehabilitation of facades by thermal insulation it is an effective technique to improve the energy efficiency of buildings and reduce energy consumption. This process involves the installation of a insulating layer on the exterior façade of the building to reduce heat loss and improve the thermal comfort in the interior of the home. In addition, this technique can also improve the aesthetics and durability of the facade.
By using this technique, the envelope of the housing or building reduces heat loss and improving your energy efficiency. You can also use construction materials sustainable and energy-efficient, such as double-glazed windows and solar panels for the generation of renewable energy.
The installation of a facade SATE it is an excellent choice for improving the energy efficiency of a building. Below are some important considerations to keep in mind:
It is essential to hire trained professionals for your installation, which ensures the correct placement of the plates, insulators, reinforcing mesh and the lining. This ensures the durability and safety of the facade.
In addition to improving the energy efficiencythe facade SATE also provides an additional layer of protection to the building structure, which increases their service life and reduces maintenance costs in the long term.
It is important to note that the installation of a facade SATE requires the writing of a Technical Project and building permit city, in addition to complying with specific regulations.
It is also important to note that there are different types of isolators and coating materials available in the market. It is advisable to research and compare different options to find the most appropriate solution for the specific needs of the building. An estimate of this finish system by SATE would have a cost of approximately (including rental, erection and dismantling of scaffolds) from 65 €/m2.
Rehabilitation of Facades
Ventilated facades
A ventilated facade it is a construction system in which the exterior façade of a building that is separate from the main structure of the wall. This separation allows the circulation of air between the facade and the wall, which improves the energy efficiency of the building and reduces the risk of moisture and condensation in the wall. In addition, the ventilated facade can improve the sound insulation and protect the building structure from the effects of weather.
The ventilated facade it is a constructive system of exterior enclosure formed by an inner sheet, an insulating layer (usually wool), and a blade outer is not waterproof.
Your construction is done by the anchor on the sheet inside of a metal structure of aluminum, on which is placed the thermal insulation (by using mechanical anchoring or attached to the support by special mortar high adhesion), and on which the anchor was the sheet outside, getting a long-lasting result that provides the facade of a high-performance thermo-acoustic. An estimate of this system of finishing of facades would have a cost of approximately (including rental, erection and dismantling of scaffolds) from 110 €/m2.
In conclusion, there are different constructive solutions to rehabilitate the facades of our buildings, being the most common the plaster of cement, plaster with mortar layer, the system is SATE and of the ventilated facade. The plaster of cement and paint has been the most commonly used system in the past decades, due to its low cost, though it also has many negative aspects, such as its rigidity, lack of thermal insulation and its high-maintenance. It is recommended to opt for other solutions available in the market, such as ventilated facade, or the system will SATE that offer significant benefits in terms of durability, no maintenance and energy savings. The rehabilitation of facades with insulation on the exterior side is an excellent solution that ensures a good protection and energy efficiency. The choice of the most appropriate solution will depend on the needs and characteristics of each building and it is advisable to have the advice of a professional to take the best decision.
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