Improving energy efficiency is one of the European Community's key strategic objectives. The energy performance of a building refers to the amount of energy required to meet the energy demand associated with the normal use of the building, including the construction output required to operate the building for its intended purpose.
Energy performance requirements for buildings for all purposes in Lithuania are regulated by the Construction Law.

In order to make the process of implementing the energy rating as smooth as possible, experts recommend that the assessment is carried out as carefully as possible at the design stage to avoid additional costs and losses later on.

Panel system homes are assembled quickly and efficiently on site, using specially manufactured panels from the factory. The panels are assembled using either wooden joists or double-track wooden beams.
The panels are glued together with the frame structures using special glue and secured with timbers. The structure of the house becomes homogeneous, resistant to moisture and does not deform independently of the effects of the weather (rain, cold, snow, heat).

Higher requirements for the thermal performance of external envelopes.

The requirements for the external envelope of buildings are changing, which means that the heat transfer coefficient U will have to be 0.11 W/m2*K.
Requirements for normative properties of envelopes and engineering systems, minimum cost-optimal calculation data.
The higher the energy class of the house, the lower or nearly zero the heating costs. The only difference between A and A+ class houses is the parameters. For an A+ house they are higher. An A++ house must already use renewable energy sources.
Class A++ is considered the highest class and refers to a Nearly Zero Energy Building (nZEB).
For energy class A, the values of the heat transfer coefficient U (W/(m2K)) of the envelope of residential buildings must be at least 0.10 for roofs; 0.14 for floors; 0.13 for walls.

National standards impose increasingly high requirements on the thermal resistance of buildings, and the thickness of the thermal insulation layer needs to be increased to meet these requirements.

For a new building, the wall will need to have a resistance of at least 0.11 W/m2K in order to comply with class
A++ ..

Building owners will have to achieve the required A++ class from 2021 onwards after obtaining a building permit. Building certification is a complex process in which the most important collaboration is between energy consultants and architects and designers. Of course, the quality of the construction work is also very important, especially the airtightness of the building, which requires skilled construction workers.

Panels are pre-assembled, insulated, load-bearing panels that form the outer shell of a building..

The more energy-efficient a building is, the less energy it requires. Choosing the right materials and proven solutions is a key factor in ensuring a building's high thermal performance. And the best thermal insulation solution is the one that maintains its performance over the lifetime of the building without losing efficiency.

All the connections and components that bind the panels to all the other structural elements, both load-bearing and enveloping, shall be able to withstand all types of loads and the force-type effects that occur in the building.

Suitable panels shall be selected to ensure that the structure has adequate vertical and horizontal loading.

The specifications and design of these elements must be determined by the structural engineer responsible for the stability of the building.



The panel is constructed of the following materials - OSB/Neopor/OSB

Polystyrene foam board Neopor. New generation polystyrene panels are the most effective thermal insulation material in construction. The pores of closed-cell polystyrene are completely closed, thus creating greater resistance to air and water vapor.
"NEOPOR" is a gray colored polystyrene foam whose thermal insulation properties are improved by adding graphite to the polystyrene foam raw material. Small graphite particles reflect or absorb infrared rays, thus significantly reducing heat loss. NEOPOR's thermal insulation properties are up to 20% better than ordinary polystyrene foam of similar density.
Compressive stress at 10% strain (kPa) ≥70
Bending strength (kPa) ≥115

OSB (Oriented Strand Board) it is three layers of differently oriented pine strand boards. They are made of natural wood resin binder resistant to water and heat.
The term OSB 3 comes from the technical grade designated EN 300 - "supporting boards used in wet conditions". Moisture in this case refers to an environment where the panels are protected from external influences, but the amount of moisture can increase due to environmental factors.



The panel is made of the following materials - Plywood/Neopor/OSB

Ecological composite product based on natural wood. LVL (Laminated Veneer Lumber) wood panel is made of 3 mm thick rotary-peeled spruce plywood. The LVL board is very strong and stable, since one fifth of the plywood is glued crosswise. It is a strong material, resistant to deformations and holes, surpassing ordinary wood in its properties. Panels are easily processable, which means you can mill, drill and plan it. Phenol-formaldehyde glue, which is resistant to outdoor conditions and complies with Class 3, according to the EN314 standard, is used for gluing the panel.

For stronger resistance of load-bearing walls. Construction of multi-storey structures, reducing the risk of sitting. For forming hooded roofs and structures.



The panel is constructed of the following materials - Phenolic veneer/neopor/phenolic veneer

Ecological composite product based on natural wood. The layers of this plywood are glued together with waterproof glue based on formaldehyde resins. Plywood is intended for use in wet rooms and outdoors. Harmless to human health and nature. Hygienic, odorless. The layers of this plywood are not only glued together with waterproof glue, but the outer sides of the laminated plywood are covered with a special paper impregnated with phenolic resin, which makes the plywood much more resistant.



The panel is composed of the following materials - cementitious fibre/neopor/osb

PANO FC board is a combination of cement and reinforcing fibers formed into panels. It is resistant to fire, water and insects, and does not tend to warp or crack due to the cellulose fibers that increase the stability of its structure.

With the PANO FC panel, plasterboard can be eliminated, which further reduces construction time and costs. The outer surface of PANO FC can be painted or coated with synthetic plaster (reinforced) and finished using a popular finishing material. PANO FC is used in the construction of load-bearing walls up to four floors, has a higher fire resistance than PANO IZO. Fiber cement panels will not support the growth of black mold and will have a high resistance to moisture absorption. Fibro cement is stronger, waterproof, fire resistant and termite resistant, which is suitable for hot, very humid tropical areas.



The shield is composed of the following materials - magnesium/neopor/ magnesium

Magnesium oxide is a revolutionary mineral-based product that is non-toxic, water-resistant, fire-resistant and extremely strong. Perfect building material.
The main element is magnesium oxide (commonly denoted “MgO”), which is identical to that which occurs naturally in nature. Magnesium is one of the main elements found in the earth's crust. It is mixed with additional materials to strengthen the properties of the board.
MgO is not toxic because it does not contain inorganic solvents, heavy metals, asbestos, oils and can be classified as "ECO building materials".
MgO will not support mold growth and has a high resistance to moisture absorption, making it an ideal choice for damp environments, both indoors and outdoors. MgO is strong, durable and impact resistant. By using the PANO MGO panel, plastering can be dispensed with, which further reduces construction time and cost. The external surface of PANO MGO can be painted or covered with a single layer finish, tiling and many other suitable external finishes.
PANO MGO panels are completely safe and can be used for various coatings: interior and exterior walls, floors, roofs.



The panel is made of the following materials - Impregnated hardboard/neopor/osb

Soft fibreboard WFP natural building thermal insulation material. PANO WFP is available for the construction of warm, "breathable" but soundproof wall, ceiling or floor structures. WFP panels perfectly absorb indoor moisture and can later evaporate it gradually as the microclimate inside the building changes. PANO WFP is wind, heat, sound and moisture insulating impregnated panels for the walls and roof of the house.



Two-way beam or two-span thin-walled beam. The core of the beams is made of OSB-3 board and the flange is made of glued timber joists.

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