How to thermally insulate a building from the outside with the external insulation system?

PROBLEM: how to thermally insulate a building from the outside with the external insulation system

The Paulinkoibenta coat system is the ideal solution for thermally insulating a building, retrofitting it from an energy perspective and providing longer-lasting protection. The advantages of the Paulinkoibenta coat system are numerous:

It is made up of elements that have been tested and certified by authorized European institutions, which have issued the ETA conformity certificate and the authorization to affix the CE marking;
It eliminates the problem of thermal bridges permanently. The walls are thus protected from thermal fluctuations;
It defends the building from moisture, thanks to a low hygroscopicity level and a high water repellent power;
It perfectly isolates the building, reducing the thickness of the walls. This way, approximately 8% of useful floor space is recovered, resulting in an increase in property value;
It allows for a reduction in fuel consumption from 30% to 50%. As a result, the investment made is amortized within a few years, and the commercial value of the property is improved;
It guarantees thermal tranquility of the structures, benefiting their movement;
It allows for the benefits of tax deductions provided for interventions aimed at improving the energy efficiency of existing buildings;
It ensures a significant reduction in maintenance interventions: the construction features allow for a general increase in the lifespan of materials, without any type of deterioration;
It is an ecological system that allows for energy savings, containing greenhouse gas emissions and the dispersion of pollutants;
It protects against solar radiation in summer and heat loss in winter. The result is a healthier environment with increased livability comfort;
It improves the external appearance of buildings, including special architectural solutions that consequently increase their value;
It can be installed easily on any type of building, without causing any inconvenience to tenants.

SOLUTION:

CYCLE		INDICATIVE QUANTITY OF MATERIAL PER SQM
	PREPARATION OF THE SUBSTRATE. In the case of installation on new buildings, the flatness conditions of the support, its accurate and correct seasoning, its cleanliness with respect to dust or traces of formwork must be checked and restored. In the case of installation on existing buildings, the flatness conditions, the absence of general and localized illness, the removal or consolidation of paints and plasters unable to guarantee good adhesion over time must be checked and restored where necessary. It is also necessary to clean the support and check for the absence of permanent moisture rising phenomena.
1	In case of mold presence, treatment with BIOCID solution applied with a brush to disposal, ready to use. After at least 24 hours from the application, proceed with the mechanical cleaning of the surfaces. The formulation can be applied on both pre-painted and unpainted surfaces. Perform a water wash after 24 hours.	10 SQM/L
	Remove any small degraded or detachable plaster parts. Scrape off any degraded or detachable coating portions. Wash all surfaces thoroughly with a water jet to remove any dirt or dust. Make any necessary plaster repairs and/or grouting with materials compatible with existing ones.
2a	If the substrate needs surface consolidation, apply a coat of water-based penetrating fixative FIXACRIL properly diluted.	10 - 15 SQM/L
2b	On concrete supports, in the case of particularly crumbly, poorly cohesive or stripped supports, or if the substrate needs consolidation, apply a primer consolidant based on acrylic styrene solvent ISOMUR.	10 SQM/L
3a	In the case of starting from the walking plane, establish the "ZERO" starting level at least 1-2 cm above this plane and mechanically fix the suitable profile of starting section to the thickness of the slabs. The installation of the profile with drip edge PK STARTING PROFILE will be done by fixing it to the wall surface with expanding plugs.	10 SQM/L
3b	In the case of starting below the walking plane in contact with the ground, use the adhesive and leveling product ELASTOPROOF. The adhesive must be applied in a groove on three sides and two central grooves parallel to the vertical sides. The side towards the ground must be left without adhesive and must have a 45° cut.	10 - 15 SQM/L
	For thermal insulation systems with cork and/or mineral wool insulation panels, insert at the base for the plinth, an extruded polystyrene panel of height 40-60 cm and the same thickness of the insulation panel to be subsequently applied. Use the product ELASTOPROOF as adhesive and leveling for bonding the first panel in contact with the ground.

PANEL BONDING

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CYCLE		INDICATIVE QUANTITY OF MATERIAL PER SQM
	SIDE CURB METHOD.
4a	4a On non-planar supports with irregularities (which should not exceed one centimeter in height), the panels are glued by spreading a linear and continuous rim of glue along the edges of the insulating panel and by creating two or three bonding points at the center of the board. There should be no air passage between the insulating board and the support (otherwise a chimney effect occurs). The amount of glue, once the board is pressed against the masonry/surface, must ensure a minimum coverage of 40%. The panel bonding should be carried out at a rate of at least 4-5 kg/sqm, positioning them on the surface starting from the bottom up (perfectly overlapping) with staggered vertical joints. It should be checked that there are no traces of glue on the edges of the boards to avoid possible thermal bridges, and the boards should be tapped with a wooden beater, taking care to regularly check the flatness of the laid panels. The board is uniformly fixed to the support surface (otherwise a cushion or mattress effect occurs).	3-4KG/SQM
	FULL SURFACE METHOD
4b	On masonry and generally very regular supports, the gluing can be done by spreading the glue with a toothed steel trowel over the entire surface of the panel. To improve the adhesion of the adhesive, in the case of wooden surfaces, MW panels, and less absorbent supports, applying a layer of glue on the support first and then pressing the insulator can help a lot. The panel bonding should be carried out at a rate of at least 4-5 kg/sqm, positioning them on the surface starting from the bottom up (perfectly overlapping) with staggered vertical joints. It should be checked that there are no traces of glue on the edges of the boards to avoid possible thermal bridges, and the boards should be tapped with a wooden beater, taking care to regularly check the flatness of the laid panels. The board is uniformly fixed to the support surface (otherwise a cushion or mattress effect occurs).	4-5KG/SQM

TELLING

CYCLE		INDICATIVE QUANTITY OF MATERIAL PER SQM
	The need to anchor the systems depends on the subfloor, the type of insulating panel, the height of the building, and the weight of the system. Anchoring is recommended for building heights exceeding 12 meters, for system weights exceeding 30 kg/sqm, for already plastered walls, and/or for the use of materials such as cork and mineral wool that do not guarantee, due to specific and intrinsic characteristics, sufficient stability limits with just adhesive bonding. Additional mechanical fixing of the insulating panels is needed for both absorbing horizontal wind forces and ensuring durable adhesion to the substrate. In the case of old buildings or concrete, the substrate can deteriorate or deform, thus negating the adhesive's effect. The anchors, once compatibility and compliance with the intended use category are confirmed, must penetrate through the insulation material into the load-bearing substrate and must therefore be equipped with a specific European technical approval for this type of use ETAG014.
5a	After the adhesive used for bonding the insulating panels has dried, mechanically fix them using PVC expansion plugs with pin/screw, taking care to use an appropriate drill bit for drilling (UNI/TR11715 standard), avoiding the use of percussion mode to prevent damaging the internal chambers of bricks that would render the plug ineffective. The anchors should be positioned at the outer edge corresponding to the corners of the panel and at the center corresponding to the central adhesive points, at a rate of at least 6 pcs/sqm, with a length ensuring penetration inside the wall according to the plug's certification.	6 PCS/SQM MINIMUM
5b	After the adhesive used for bonding the insulating panels has dried, mechanically fix them using PVC self-drilling screws. The anchors should be positioned at the outer edge corresponding to the corners of the insulation with a W pattern at a rate of 3 anchors per panel (see diagram), with a length ensuring penetration into the support according to the characteristics of the anchor.	3 ANCHORS/PER PANEL MINIMUM

ARMED SHAVING

PHASE		INDICATIVE QUANTITY OF MATERIAL PER SQM
	SMOOTHING ON EPS - STIFERITE - GRAPHITE PANELS
6a	Between 2 and 7 days after installing the insulation and based on the environmental thermo-hygrometric conditions, apply the base layer using adhesive similar to that used for installing the insulation panels. Prior to this, any necessary metal profiles (corner guards, profiles, angles, etc.) should be installed, embedding the reinforcement mesh in the thickness (between the 1st and 2nd coat), applied from top to bottom with an overlap of at least 10 cm at the joints. Additional reinforcements, if needed, should be achieved by doubling the mesh.	4-5KG/SQM
	SMOOTHING ON WOOL PANELS
6B	Between 2 and 7 days after installing the insulation and based on the environmental thermo-hygrometric conditions, apply the base skim coat (1st coat) using adhesive similar to that used for installing the insulation panels to create a stable surface for subsequent skim coats. Position any necessary metal profiles (corner guards, profiles, angles, etc.) embedding the reinforcement mesh in the thickness (between the 2nd and 3rd coat) applied from top to bottom, with an overlap of at least 10 cm at the joints. Additional reinforcements, if needed, should be achieved by doubling the mesh.	5.5 - 6.5 KG/SQM

FIXATIVE PRIMER - THICK COATING

PHASE		INDICATIVE QUANTITY OF MATERIAL PER SQM
	FIXATIVE PRIMER
7	Once the drying and maturing of the applied smoothing plaster has taken place, apply a pigmented fixative primer in order to prepare the surface for the subsequent finishing colored coating. The Primer must be matched to the finishing color.	8-10 SQM/L
	THICK COATING
8	8 Application of the thick coating at a minimum thickness of 1.2mm. The coating will be applied using a trowel or a float. In addition to providing the desired aesthetic appearance to the system, the finish serves to protect it from the action of atmospheric agents, ensuring its durability over time. It is advisable to use a light-colored finish or one with a light reflection index (Y) greater than 20. Vertical and horizontal interruption strips should be provided to avoid highlighting defects resulting from application touch-ups. (Always use a single production batch; if this is not possible, take care to match different batches at corners between walls.)	2.0 - 2.5 KG/SQM. (120) 2.5 - 3.0 KG/SQM. (150)