Uniqueness Velox

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Založeno r. 1999

System velox

WHAT IS VELOX ?

Basic element of universal usage of VELOX building system is timber- cement boards VELOX. Source raw material for its production is processed wood-cuts from needles trees :wood chips: - which is 90% of board.
Boards Velox assume the qualities of wood. They are freestone – can be cut, screw, etc. without dowels.
In the building system Velox we build not only houses but also residential buildings. The system includes thermal and sound isolation.
90% WOOD, 100% SOLID WOOD
90% WOOD, 100% SOLID WOOD
WE BUILD WITH NATURE

WE BUILD WITH NATURE

Velox building system has very high thermal insulation without thermal bridge apperance, so it saves energy in the already performed building. Both of the characteristic meet ecological requirements to save energy sources. Used natural materials and clear ecological system are guarantee satisfying living.

COMFORT IS GOOD MOOD

COMFORT IS GOOD MOOD

Advantage of high thermal resistance of the outside part of the wall and heat accumulation of concrete core there is pleasant cool in summers and warm in winters in rooms. It has the ability to absorb noise from outside. High fire protection with above mentioned advantages generates comfortable living which will be valued by folowing generations.

TIME IS MONEY

TIME IS MONEY

Assembling of VELOX building system is easy and exact, easy manipulation (only 20% of the total construction is manual work), using of mechanism is minimalized, so the speed of building coresponds. The speed is one of the most important characteristic when evaulating advantages of this system, so using of this system pays off in the end.

WHO SAVES, EARNS MORE

WHO SAVES, EARNS MORE

Investments into VELOX building system will pay back many times not only during the construction itself, but also in finished building where you can save a lot. System have very high thermal insulation although the thickness is 30 cm, which increases the usage of building area and means more living space.

BE YOURSELF!

BE YOURSELF!

Velox excels high thermal insulation without thermal bridges. It saves energy in the finished building. Both of these qualities meet ecological requirements and saving energy. Used natural materials and clear ecological system are guarantee of healthy living.

BENEFITS FOR ALL

BENEFITS FOR ALL

Architects - variability of usage and function, creativity of projects. Investors - economy, effectivness and building price. Construction Engineers - fast and exactness of building. User - low operation costs and comfort of ecological living.

WE BUILD WITH NATURE
WE BUILD WITH NATURE
MASSIVE AND STABLE BUILDINGS
MASSIVE AND STABLE BUILDINGS
BUILDING TIME FASTNESS
BUILDING TIME FASTNESS
EXCELLENT WARMTH ACCUMULATION
EXCELLENT WARMTH ACCUMULATION
EXCELLENT ACOUSTIC FEATURES (63DB)
EXCELLENT ACOUSTIC FEATURES (63Db)
HIGH FIRE RESISTANCE (UP TO 120 MIN.)
HIGH FIRE RESISTANCE (UP TO 120 MIN.)
EASY TO SHAPE LIKE WOOD
EASY TO SHAPE LIKE WOOD
EXCELLENT ISOLATION FEATURES
EXCELLENT ISOLATION FEATURES
UNIVERSAL SHUTTERING SYSTEM
UNIVERSAL SHUTTERING SYSTEM
MINIMAL TRANSPORT COSTS
MINIMAL TRANSPORT COSTS
SANITARY AND HARMLESS TO HEALTH
SANITARY AND HARMLESS TO HEALTH
EXCELLENT ADHESION FOR PLASTERING
EXCELLENT ADHESION FOR PLASTERING
RESISTANT TO FUNGUS AND RODENT
RESISTANT TO FUNGUS AND RODENT
RESISTANCE AGAINST SOAKING
RESISTANCE AGAINST SOAKING
ALWAYS BRINGS EXTRA M2
ALWAYS BRINGS EXTRA m2
SYSTEM ADVISED FOR SEISMIC AREAS
SYSTEM ADVISED FOR SEISMIC AREAS
VELOX CAN BUILD ANYTHING
VELOX CAN BUILD ANYTHING
SYSTEM SUITABLE FOR FLOOD AREAS
SYSTEM SUITABLE FOR FLOOD AREAS
HIGH-RISE BUILDINGS SYSTEM
HIGH-RISE BUILDINGS SYSTEM
HIGH ECONOMIC BUILDINGS
HIGH ECONOMIC BUILDINGS

DESCRIPTION OF BUILDING SYSTEM

DESCRIPTION OF BUILDING SYSTEM

BENEFITS FOR ALL

Architects - variability of usage and function, creativity of projects.
Investors - economy, effectivness and building price
Construction Engineers - fast and exactness of building.
Users - low operation costs and comfort of ecological living

SAFETY AGAINST EARTHQUAKE

SAFETY AGAINST EARTHQUAKE

HORIZONTAL DEFORMATION (mm)

According to shear tests in Technical testing institution for strength of building materials in Graz (Austria). 

Mantle load: 1 000 kN/m2
Shear tension: 2 100 kN/m2

PRODUCTS FOR CREATING WALLS

Boards Velox WS
Boards Velox WS-EPS PLUS
Building ties Velox

PRODUCTS FOR CREATING CEILINGS

Hollow filler tiles
Space Girders
Complementara Range

MAIN POINTS & PROGRESSES OF CONSTRUCTION

VERTICAL PROCESS
1.

Way of performing of wall easing with VELOX boards is easy. Onto already prepared basic of a construction real plan of construction is carried over and gradual building of casing wall boards, and usually it start in corner of an object. First basic layer of casing is built in the whole range according to project design
Vytváření rohu:
On an outside casing one-side tie is put in a way, that first is settled (t + cca 50 mm) from building corner and consequent tirs are settled in regular distance calculating 4 pcs / m of wall (cca 250 mm), where t = total thickness of wall without plaster in mm. Last tie on board is settled cca 50 mm before the end. To create corner you cannot use board slights shorter than 1 m. Insulating material - polystyrene - must be cut of exactly by the thickness of connecting board.

PROGRESSES OF CONSTRUCTION 1
2.

Board is turned by 180° and is put by this on alredy drawn plan.

PROGRESSES OF CONSTRUCTION 2
3.

Before settling of inside board into one-side ties a tie must be place on a end. Outside and inside casing boards must cover up each other at least by the wall thickness = “t”. The best thing to do is start with one whole board and one half board.

PROGRESSES OF CONSTRUCTION 3
4.

Lining of windows and doors id done by reveal stripes, that are classing wall from three sides. Reveal stripes are nailed between wall and nails (min. 3 pcs on board width). Level of sill is left open for concreting. Under the sill there is concrete core into which it is recommended to put min. 2 pcs if rib concrete steel that conceal 750 mm into the following wall. Lintels are made with space steel girders or concrete steel. Before concreting, it is necessary to support upper part of lining of windows and doors.

PROGRESSES OF CONSTRUCTION 4
PROGRESSES OF CONSTRUCTION 4.1
PROGRESSES OF CONSTRUCTION 4.2
VERTICAL PROCESS
5.

Hollow filler tiles are put onto carrying boards on wall circumference, nailed to inside casing boards (4 pcs of nails/ m) and into gaps between moulds continuous ceiling girders are put, exceeding into carrying walls where rim reinforcement is tied up. ATTENTION: Console parts (balcony, fillet, oriel) and ceiling up of non-typical plans is necessary to proove with static calculations.

PROGRESSES OF CONSTRUCTION 5
6.

Built casing of walls and ceilings are filled with concrete mixture, including the last concreting of 50 mm concrete board over ceiling moulds. On already generated floor you can continue building wall casing of following floor.

PROGRESSES OF CONSTRUCTION 6

CONCRETING OF CARRYING CONSTRUCTION

INSTRUCTIONS FOR WALL CONCRETING

+ Needed classes for concrete strength are set by designer and are stated in project.
+ For concreting is used concrete mixture of very soft consistence size of grain max. 16 mm.
+ Transport of the concrete into casing is done by a pump or basket.
+ Settling of concrete mixture goes on smoothly over the whole circumference of completely built casing in the same horizontal layer size cca 50 cm high. When settling concrete you must insist on proper filling of casing with concrete.
+ Concrete mixture must be perfectly and constantly solid in each part of the construction.
+ Concreting is performed (after concreting of the whole basic layer of casing) in range of one floor including ceiling, fulfilling the conditions that guarantees stronger casing:
1/ while wall casing with VELOX WS boards we recommend to use tow ties in every layer of the casing, good solidity is reached by puncturing
2/ while casing with WSD boards it is not necessary to use tow ties, good solidity is reached by immersing a vibrator max. 40 mm or intensive puncturing
+ Construction of supporting walls and following concreting can be done each by each layer when keeping up the position and treating the working crack.
+ Working crack should be placed where the pressure of fresh concrete was in perpendicular direction on it. Its position in casing must be lower by 10 cm than loading crack of board. Working crack and loading crack CANNOT be on same level.
+ During building casing it is necessary to keep up working cracks clean.
+ During remedy, settling, reacning good solidity and treating of concrete mixure you must act according to rules and standard regulations.

ASSEMBLING & CONCRETING OF CEILINGS

+ According to a plan for laying of ceiling a provisional temporary support construction will be built consisting of basic support and spread planks. Support must be well-carrying and must be built on a strong basis and / or fixed well, distance between each support depends on thickness of spread planks. While assembling the construction which slender proportion (proportion of light span Is to Thickness H of ceiling construction) is bigger than 15, construction bank up is adjusted according to bellow mentioned chart.
+ When ceiling are built in more floors, the supports must stand perpendicularly above each other.
+ VELOX ceiling moulds are laid on assembly joint when assembling. In case you need to shorten the ceiling element cavities must be closed so that the concrete doesn’t get in, on the element with cavities is put on assembling joint facing the previous element.
+ After laying the ceiling elements, into created ribs space steel reinforcement is laid exceeding into carrying walls. Required cover up of down reinforcement is ensured by distant ports. Girderswith damaged latticing mustn’t be used.
+ While manipulating with the material during assembling and during laying of concrete provisions must be set up so that space steel reinforcement is not damaged permanently.
+ Total area assembling load of ceiling element before concreting into constraction cannot exceed 1,5 kN / m2
+ Concrete mixture B 20 of soft consistency is used, max. grain size 16 mm
+ While concreting, concreting cannot pile up an one place.
+ Concreting of ceiling construction is done in stripes towards girders and at the same time ribs and concrete boards are concreted, that complete the ceiling to gain necessary height.
+ When laying concrete mixture reinforcement mustn’t be interrupted. Working crack may apper only between girders in the middle of ceiling element.
+ Concrete in ribs and around strengthening ribs is necessary to thicken properly. In case of using the immerse vibrator, the vibrating head diameter is max. 40 mm. Vibrations with the help of reinforcement is not allowed. Thickening can be done also by intensive puncturing.
+ After ceiling is made, it is necessary to keep the concrete moist till it get hard.
+ Supports can be taken away when concrete reach standard strength according to regulations that are set up. The supports are taken away from top floor to ground floor.
+ While performing the support it is necessary to proceed according to valid standards and rules.

TREATMENT OF SURFACE

Very important part of finishing work both inside and outside is plastering. Plaster protects construction against severe influence of surroundings, mechanic damage and increases good characteristics of building material, influence final appearance and architecture. For construction of VELOX system of carrying walls there are technical recommendations for design preparation and building realization of plaster related layers and final surface treatment. Set of recommendations contests summary of performace of final plaster treatment. Technical information ensuing from modern experience are general. These general information cant include specific conditions at site. To use plaster mixture on construction of VELOX system there is set of technical advice from each producer of dry plaster and mortal mixtures. When applying it is necessary to keep up the producers instructions.

BASE REQUIREMENTS FOR APPLICATION OF PLASTER 

Base for plaster at VELOX system is timber-cement board laid on binding. For out side of peripheral construction there will be, in most of the cases, used double-layer timber-cement board, e.g. VELOX WS-EPS. To start with plaster it is necessary the concrete core matures and dries properly. Time for drying depends on climate and situation at site.


PREPARATIONS AND CONCERNING WORKS

It means work that is needed to perform before start of plastering. The work mainly means protection agains rain and others:

 + Finishing of roof construction

+ Settling hole fillings so that the plaster is not damaged afterwards

+ Covering sills with metal sheets or settling sills itself, covering of attic, window sills with metal sheets and other consols, handles etc.

+ Covering those parts of construction that shouldn’t get dirty (windows, doorstep, handles, furniture, etc.).

+ Before inside plastering all installation means must be finished (water, gas, electricity, heating). If there is more pipelines next to each other. The whole hole must be filled in with mortar and covered with glass cotton or netting put in core layer; exceedes no more than 100 mm on both sides.

Before beginning of plastering and final surface treatment we recommend to follow and verifythe following:

+ Conditions and level of basis from timber-cement boards.

+ State of strength, homogeneity and cohesivity of timber-cement boards, in case VELOX boards are not enough joint with concrete core then must be anchored with suitable plate dowels.

+ Performance of joining ties and exactness of performance of corners and so on.

+ Conditions of surface - whether is clean or dusty.

+ To verity whether the surface is not frosen.

+ To verity the humidity of timber-cements boards, base must be absolutely dry and if the surface is not dry it must get dry.

When plastering inside the temperature of the surface and air cannot drop bellow + 5°C. This temperature must be for 2 or 3 days before plastering so that plastered surface reaches this temperature and must be kept for the time till the plaster gets hard (cca 7 days).
Fresh plaster made outside cant be exposed to big sun shine and severe drying wind. To prevent past drying of the plaster and to make easy its processing, specialist work in shadow part of object. Fresh plaster is kept maist for about 3 days by spraying water on.
VELOX boards content also rest of back and bast but in very small amount. When we use plaster on gypsum basis parget for inside treatment these part can generate brown spots, mainly when the surface is not dry sufficiently. When painting we shall use paints recommended by paint producers.

SURFACE TREATMENT OF WALLS

We recommend to perform three-layer plasters.

Spraying - serves as anchoring layer, enables better adhesiveness of core plaster onto base. Sprayis made of cement and river send in ratio 1:2, size of send grain is 0 - 7 mm. Spray is laid by towel sharply on the whole area and fills in all cracks between boards.
Core layer - consist of cement-lime mortar (size of send grain 0 - 7 mm), general requirements for thickness of inside core is 15 mm (min. 10 mm), outside core 20 mm (min. 15 mm). In case the core is thicker, is spread in two layers, when the second layer is spread after first one is board enough.

When spreading core layer, the glass cloth is pushed in the last third of outside part of peripheral walls, which serves as plaster reinforcement and risk of fissure is lowered. Glass cloth must be resistant against alkali. At the corners of buildings netting are spread over by 20 cm, each stripe of cloth are covering up by 10 cm, in parts where tension is bigger - corners of window and door holes - we recommend to put there cloth diagonally cca 50 x 30 cm.
When spreading core layer of inside plaster in corners and places where materials are connected with various changes, the core is cut to base or the connection is spanned by reinforcing cloth.
With outside plastering a cut is made and filled in with plastic cement. Time for maturing of the plaster is 1 day / 1 mm of plaster thickness.
Last surface layer - is final surface treatment and you can also use parget or various binds of decorating plasters whether it depends on structure or colour of plaster. The best thing to do is to use dry plaster mixtures to ensure constant quality of material.

SURFACE TREATMENT OF CEILINGS

For ceilings we recommend to use hardening mortar as basic layer together with laying reinforcing cloth over the whole area. As final surface treatment you can use parget or various kinds of decorative plasters. Surface treatment performed in such a way is necessary to understand as the whole system. For this reason we recommend to buy each component from one supplier or producer and follow his instructions for application.
Plaster-cartons can be used as surface treatment of inside walls and ceillings.

APPROPRIATE EQUIPMENT AT CONSTRUCTION SITE

Suitable and working tools is the base of perfect constructions. Tools for VELOX system is not very demanding:
EQUIPMENT 1
EQUIPMENT 2
EQUIPMENT 3
+ circular saw with widia discs
+ portable bow-frame saw min. 800 mm long
+ electric portable circular saw with widia discs
+ electrical drill + extension lead
+ drill Ø ±12 mm, length min. 350 mm
+ hammer
+ assembling ladders
+ spirit level, string
+ immersing vibrator with head - with max. diameter 40 mm
+ rolling-up meter
+ steel or wooden supports for ceilings
+ nails length - 100 / 3,15 mm to join boards
+ nails length - 63 / 3,15 mm to join ceiling panels
+ wooden wedges to rebalance the foundations when necessary
+ marker