Please calculate the thickness of the thermal insulation layer made of expanded polystyrene, so that the partition analyzed above would reach the value of the k-factor below 0,40 W/(m2K). The influence of the adhesive layer and the protective coating on the thermal insulation layer can be neglected here. Conduction coefficient …

Walls and ceilings that are elements of fire separation, should be made of non-flammable materials, and their openings are enclosed with fire atriums or closed with fire doors, or another fire closure. The total area of ​​these openings if they occur in …

To end 2001 year, fire ventilation cut-off dampers were classified in the ITB Fire Test Laboratory on the basis of a fire test in "static conditions". In the smoke and gas extraction pipes, in all situations there is a negative pressure in relation to the protected zone. So a study …

A model of a pond – Plastic shells for small and medium-sized ponds can be purchased in many supermarkets. Such a shell can be made independently from a resin-glass laminate. However, you will need a model, on which the glass mat will be placed. …

A more aesthetic path – Even a garden path of concrete paving slabs can be made aesthetically. It is enough to arrange the boards with spaces in any arrangement, and fill the spaces between them with fine washed gravel or small stones – crushed stone mixed with sand. This …

Flower containers – Among the many prefabricated containers for plants and shrubs offered in our retail chains, it is worth recommending large containers of various shapes made of mesh concrete.. Despite their large dimensions, they have a relatively low weight, because they are characterized by thin walls and bottom. A …

Prefabricated flowerbed – Lots of garden equipment such as flower beds; garden walls, retaining walls, etc.. can be made of ready-made prefabricated elements of various shapes. These elements are usually made of concrete or concrete with the addition of expanded clay granules. You can less often …

Garden elements on rollers – On all types of surfaces finished with stone or tile floors, such as large terraces, places of rest, placed heavy wooden pots and gates with boxes should be equipped with rollers. Thanks to them, it will be possible to move plants in …

Water cascade – In a larger pond, you should think about making a cascade. It is placed on the edge of the appropriate eyelets, selected stones, connected with waterproof mortars. A tube must be routed inside between the stones, then connect the pump to it, preferably submersible, which …

A stage, which is a consistent development of the idea of ​​the southern facade system, is to build a "buffer zone" for the building – additional, unheated cubic capacity, stretching de facto the thickness of the thermal barrier, what is the southern wall to a value of even a few meters. Such a buffer zone may be light, …