Energy efficient, eco friendly building systems

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Walls

Walls - VELOX

At Velox we specialise in energy efficient building systems that provide our clients with significant returns in investment, this is due to the fantastic benefits that our Velox systems have. One of the key benefits is its insulation properties and adaptable installation for domestic and commercial uses, such as offices, schools, sports centres, hotels, hospitals, agricultural buildings and much more.

Our wall panels are made up from renewable natural materials. We use natural material wood mixed with cement and water, then our special production technology and decades of experience allow us to construct visually striking buildings for our clients - all insulation boards are unique and distinctive. All of our walls are able to withstand heavy loads and the installation process is very simple because it is so easy to handle, it requires less machinery and labour hours so therefore keeping the cost low whilst you are still gaining the best eco-friendly building system on the market.

We have been using this specially developed production process for over 50 years and can see clear advantages our product has compared to other walling solutions. Such as it is fit for universal use, processable like wood, fire-resistant, noise insulating, thermally insulating, suitable lathing, weather-resistant, and can be made to the clients' exact measurements.

  • VELOX WS boards
    Single layer boards for creating formwork to support exterior and interior walls with no special requirements for thermal and sound insulation.
    • Good heat and sound insulating properties
    • High tensile strength and flexibility
    • Excellent adhesion of concrete and plaster
    • Simple and solid nailing plates
    • Shock resistance from 50 mm
    • Healthy and hygienic
    • Resistant to animals and plant pests
    • Good fire resistance
    Board type and thickness as marked "d" VELOX WS
    25mm 35mm* 50mm
    TECHNICAL FEATURES Unit VALUES
    Standard board dimensions
    (length width lxb)    		 mm 2000 x 500 2000 x 500 2000 x 500
    The average basis weight ** kg / m² 19 25 33
    The average bulk density **
    (as of 4 070-022943 10th 2004)    		 kg / m³ 700 670 630
    Thermal conductivity λ 90/90 **** W / mK 0.11 0.11 0.11
    Thermal resistance R 90/90 *** m² K / W 0.22 0.33 0.45
    Diffusion resistance factor μ
    (according to the 9/97 of 14 2nd 1997)    		 - 13.7 13.7 13.7
    Tensile strength in bending
    (PN 3-03 dated 1 8th 2003)    		 N / mm ² ≥ 1.8 ≥ 1.3 ≥ 1.0
    Request health and hygiene safety - Safety Data Sheet
    (MIT Decree No. 231/2004 Coll.)
    Reaction to fire (according PKO-07-115/AO 204) - A2-s1, d0
  • VELOX WSD boards
    Single layer boards with high density and high dynamic stiffness for the creation of formwork supporting exterior and interior walls with increased demands for sound insulation.

    • Good heat and sound insulating properties
    • High tensile strength and flexibility
    • High adhesion of concrete and plaster
    • Simple and solid nailing plates
    • Shock resistance for thick plates. 35 and 50 mm
    • Healthy and hygienic
    • Resistant to animals and plant pests
    • Good fire resistance
    Board type and thickness as marked "d" VELOX WSD
    25mm 35mm 50mm
    TECHNICAL FEATURES Unit VALUES
    Standard board dimensions
    (length width lxb)    		 mm 2000 x 500 2000 x 500 2000 x 500
    The average surface density * kg / m² 21 29 40
    The average bulk density *
    (PN 3-03 dated 1 8th 2003)    		 kg / m³ 790 790 790
    Thermal conductivity λ n
    (according Architektenordner MR)    		 W / mK 0.15 0.15 0.15
    Thermal resistance R 90/90 **
    (design value of 6 3rd 2007)    		 m² K / W 0.167 0.233 0.333
    Diffusion resistance factor μ
    (according Architektenordner MR)    		 - 15 15 15
    Tensile strength in bending
    (PN 3-03 dated 1 8th 2003)    		 N / mm ² ≥ 2.9 ≥ 2.2 ≥ 1.8
    Request health and hygiene safety - Safety Data Sheet
    (MIT Decree No. 231/2004 Coll.)
    Reaction to fire (according PKO-07-115/AO 204) - A2-s1, d0
    * Tolerance ± 10%
    ** according to DIN EN 13168
  • VELOX WS-EPS boards - with insulation
    Double-layer boards with 35 mm thick and a panel of expanded polystyrene for creating shuttering load-bearing external walls with priority for thermal insulation.

    • Excellent thermal and sound insulation properties
    • Excellent adhesion of concrete and plaster
    • Simple and solid nailing boards
    • Simple creation of corners and lining
    • Shock resistant
    • Healthy and hygienic
    • Resistant to animals and plant pests
    • Good fire resistance
    Board type and thickness as marked "d" VELOX WS EPS
    185 155 135 115 95 85
    Thickness of layer plate (mm) VELOX WS 35 35 35 35 35 35
    Expanded polystyrene 150 120 100 80 60 50
    TECHNICAL FEATURES Unit VALUES
    Standard board dimensions
    (length width lxb)    		 mm 2000 x 500
    The average surface density * kg / m² 29 29 28 28 27 27
    Thermal conductivity λ 90/90 **
    plate VELOX WS 35
    (the weight of moisture w m = 6%)
    (According 070-022449 of 30 4th 2004)    		 W / mK 0.11 0.11 0.11 0.11 0.11 0.11
    Thermal conductivity λ D
    of polystyrene    		 W / mK 0,038 0,038 0,038 0,038 0,038 0,038

    Thermal resistance R (According HSZ-07-28 / T, June 2007)

    		 m² K / W 4.27 3.48 2.95 2.42 1.90 1.63
    Diffusion resistance factor ¾
    expanded polystyrene boards
    (Protocol No. 1145 of 18 6th 2004)    		 - ≥ 29 ≥ 29 ≥ 29 ≥ 29 ≥ 29 ≥ 29
    Request health and hygiene safety - Safety Data Sheet
    (MIT Decree No. 231/2004 Coll.)
    Reaction to fire (according PKO-07-115/AO 204) - A2-s1, d0
    * Tolerance ± 10%
    of measured value **

    NOTE: Technical characteristics of polystyrene based on the classification of its properties according to EN 13,163th. Depending on the order, we can supply WS-EPS boards in combination with other manufactured thicknesses of expanded polystyrene (EPS WS-75, 105, 125, 215, 235).
  • VELOX WS-EPS Plus boards - with graphite insulation
    Double-layer boards, made up of VELOX WS boards, 35 mm thick and a panel of gray polystyrene with the addition of graphite for creating permanent formwork for load-bearing external walls, with very high priority on thermal insulation.

    • Excellent thermal and sound insulation properties, suitable for construction of passive houses
    • Excellent adhesion of concrete and plaster
    • Simple and solid nailing boards
    • Simple creation of corners and lining
    • Shock resistant
    • Healthy and hygienic
    • Resistant to animals and plant pests
    • Good fire resistance
    Board type and thickness as marked "d" VELOX WS EPS plus
    235 215 185 155 135 115 85
    Thickness of layer plate (mm) VELOX WS 35 35 35 35 35 35 35
    Expanded polystyrene 200 180 150 120 100 80 50
    TECHNICAL FEATURES Unit VALUES
    Standard board dimensions
    (length width lxb)    		 mm 2000 x 500
    The average surface density * kg / m² 30 30 29 29 28 28 27
    Thermal conductivity λ 90/90 **
    plate VELOX WS 35
    (the weight of moisture w m = 6%)
    (According 070-022449 of 30 4th 2004)    		 W / mK 0.11 0.11 0.11 0.11 0.11 0.11 0.11
    Thermal conductivity λ D
    of polystyrene    		 W / mK 0,032 0,032 0,032 0,032 0,032 0,032 0,032

    Thermal resistance R (According HSZ-07-28 / T, June 2007)

    		 m² K / W 6.57 5.94 5.01 4.07 3.44 2.82 1.88
    Diffusion resistance factor ¾
    expanded polystyrene boards
    (Protocol No. 1145 of 18 6th 2004)    		 - ≥ 29 ≥ 29 ≥ 29 ≥ 29 ≥ 29 ≥ 29 ≥ 29
    Request health and hygiene safety - Safety Data Sheet
    (MIT Decree No. 231/2004 Coll.)
    Reaction to fire (according PKO-07-115/AO 204) - A2-s1, d0
    * Tolerance ± 10%
    of measured value **
    NOTE: Technical characteristics of polystyrene based on the classification of its properties according to EN 13,163th. Depending on the order, we can supply WS-EPS Plus boards in combination with other manufactured thicknesses of expanded polystyrene (EPS WS-75, 105, 125, 215, 235).
  • VELOX reveal strips
    The VELOX reveal strips are precisely cut to 50mm thickness and are used to create the horizontal and vertical door and window jambs in supporting walls.

    The lane width varies according to the choice and composition of the wall and is determined by the thickness of the fill between the Velox boards. For example, the combined thickness of the concrete core and expanded polystyrene.
    VELOX - REVEAL STRIPS
    TECHNICAL FEATURES Unit VALUES
    Length of the strip l mm 2000 2000 2000
    The thickness of the strip b mm 50 50 50
    Lane width d mm up to 165 from 166-248 from 249-340
    The average weight* kg/m 6 9 12
    * Tolerance ± 10%

    To determine the consumption of marginal strips on the construction of the empirically considering a consumption of about 0.5 m / m 2 and the outer wall about 0.3 m / m 2 interior load-bearing walls.
  • VELOX insulated reveal strips
    VELOX insulated reveal strips are based on precisely cut boards of VELOX WS with thickness of 50 mm (standard reveal strips).

    They also carry polystyrene insulation thickness of 100 mm and 150mm wide, so that it is possible to fit the insulation in a standard Velox wall with a concrete core of 150 mm.

    •Improving thermal insulating properties
    •Prevention of thermal bridges
    •Used for low energy and passive houses
    VELOX - INSULATED REVEAL STRIPS
    TECHNICAL FEATURES Unit VALUES
    Length of the strip l mm 2000 2000
    The thickness of the strip b mm 50 50
    Lane width d mm from 166-248 from 249-340
    Insulation Width mm 150 150
    Insulation Thickness mm 100 100
    The average weight* kg/m 9.5 12.5
    * Tolerance ± 10%

    To determine the consumption of marginal strips on the construction of the empirically considering a consumption of about 0.5 m / m 2 and the outer wall about 0.3 m / m 2 interior load-bearing walls.
  • VELOX building ties
    Structure of fixing ties with welded crossbars.

    They ensure fixation of board position in outside and inside casing of walls, also serving to lay and join of each casing board on each other in vertical position of both coating.

    • Produced from tow wire and made of steel 11 343, Velox building ties have a diameter of between 4 and 5 mm, including welding. They fulfill the required strength in tow 540 MPa
    • Standard surface treatment is applied under the plaster
    • The width of the ties vary and depends on the combination of each layer of a wall
    • When used without plaster, it is possible to paint the surface with a special treatment.
    Available ties according to shape and usage:
    One side ties - Usually laid in the bottom level of the first layer of casing, at ceiling level, on the inside of supporting walls and when windowsills are built.
    Both-side ties - Placed frequently when laying and tieing each board of wall.
    Ceiling ties - Placed on the same level as ceiling, the ceiling tie is laid on the peripheral, supporting wall with one end of the tie on inside the casing and the other one on the already drilled holes of connecting boards where it is fixed, with nails, on the end eye.
    Tow ties - Run through pre-drilled holes in the center of the end eye of the outside boards and inside boards of casing. The end eye is fixed with nails. When using VELOX WS boards, it is recommended that you use 2 or 3 rows of casing boards so that the strength of the casing will increase during the concreting of the whole floor.
    Second clip Staple length (mm)
    (Wall thickness)    		 CONSUMPTION PROFILE
    Exterior wall Interior wall
    One side 150-400 5pcs/m* walls 8pcs/m** wall
    Both sides 150-400 4pcs/bm joints 4pcs/bm joints
    Ceiling 150-400 4pcs/m wall -
    Tow 150-400 1-2pcs/bm one layer formwork 1-2pcs/bm one layer formwork
  • VELOX trigon - Vertical reinforcement
    •Used to ensure the verticalness of walls
    •They are placed, depending on requirements, inside the formwork ( normally every 2 m, or either side of openings)
    •They are manufactured from high quality steel 10505 and are available in lengths of 2,800, 3,000, 3,200 and 4,000 mm
  • VELOX trigons - Horizontal reinforcement
    • Used with ceiling modules to reinforce rib ceilings (placed between each ceiling module spanning from supporting wall to wall)
    • Used for reinforcement above openings (doors/windows)
    • Door/windows overlapping the clear span by 150mm either side)
    • Available sizes are specified below
    • Made of Steel group R10 505
    Permanent loading of ceilings Standard (Kn/m2) Co-efficient Computational
    1. Ceiling element VELOX - Thickness of ceiling make up
    170 + 50 = 220mm 0,53 1,10 0,58
    220 + 50 = 270mm 0,57 1,10 0,63
    260 + 50 = 310mm 0,59 1,10 0,65
    2. Concrete and reinforcement for given ceiling thickness
    170 + 50 = 220mm 2,12 1,10 2,33
    220 + 50 = 270mm 2,42 1,10 2,66
    260 + 50 = 310mm 2,66 1,10 2,93
    Standard loading
    Ceramic tiles 10mm - 0,01*23 0,23 1,10 0,25
    2. Concrete screed 40 mm - 0,04*23 0,92 1,30 1,20
    3. Insulation against impact noise (Fibrex) - 0,02*1,2 0,02 1,20 0,03
    4. Plaster 20 mm - 0,02*19 0,38 1,30 0,49
    Total 1,55 1,27 1,97
    Utility standard loads
    1. Loading of flats 1,50 1,40 2,10
    Total 1,50 1,40 2,10
    Overall standard loading of ceilings for given ceiling thickness
    170 + 50 = 220 mm 5,70 1,22 6,99
    220 + 50 = 270 mm 6,04 1,22 7,36
    260 + 50 = 310 mm 6,30 1,21 7,65
  • VELOX partition walls
    Suitable for creating interior non-bearing partition walls (single, double, combined). They are manufactured in two basic thicknesses of 75 and 100 mm, and by gluing together two VELOX WS boards. The resulting product is a solid partition with a thickness of 75 or 100 mm.
    • Simple, quick and dry construction walls
    • Connecting panel joints with polyurethane foam mounting or suitable adhesives, respectively.
    • Partitions are achieved even after making the final strength (short curing time of fasteners)
    • Healthy and hygienic
    • High fire resistance
    • Excellent adhesion of plasters
    Board type and thickness as marked "d" PARTITION WALL PLATES VELOX
    75mm 100mm
    TECHNICAL Unit VALUES
    idth lx b) mm 2000 x 500 2000 x 500
    The average surface density * kg / m2 53 68
    Thermal resistance R (according Architektenordner MR) m 2 K / W 0.79 0.90
    Diffusion resistance factor μ (according Architektenordner MR) - 9 9
    Request health and hygiene safety - Safety Data Sheet (MIT Decree No. 231/2004 Coll.)
    Airborne sound insulation dB 39 (37/2001 of 23 3rd 2001) 39 (Evaluation Sound. izol. properties of partitions VELOX of May 24, 1999)
    Reaction to fire (according PKO-07-115/AO 204) - A2-s1, d0
  • NEW VELOX Multilayer Partition wall – 42dB
    Soundproofing of non-bearing VELOX partition walls are intended for use in rooms where the requirement for sound insulation is a minimum of 42 dB. Partition walls are created by a combination of two VELOX WS 25 boards sandwiching acoustic mineral wool.
    A standard partition board's size is 2000 x 500 x 100 mm.
    VELOX Partition boards can be used in any of the building systems currently available. Installation of partition walls starts by marking individual walls and openings. After the walls, floors and ceilings are marked, UW profiles 100 mm are fixed using suitable fasteners. For better sound insulation, it is possible to lay the profiles onto foam insulation tape. VELOX partition boards are then fitted into these profiles and adhered by low expanding polyurethane foam.
    The openings for windows/doors are framed again by UW 100 profiles. Lintel opening is also formed by using profile UW 100. Partition boards are laid in a brick pattern with a minimum overlap of 600 mm. For structural reasons, we recommend solid walls (without openings) to be supported every 5 meters with two UW 100 profiles with inserted insulation tape in between.
    Surface treatment is recommended to perform in accordance with the design schedule (plasterboard or plaster) in thickness min. 15mm.
    Board type and thickness PARTITION WALLS VELOX
    TECHNICAL FEATURES Unit 100mm
    Standard board dimensions
    (length width lxb)    		 mm 2000 x 500
    Weight kg / m² 55
    Diffusion resistance m² K / W 1,84
    Request health and hygiene safety - 231/2004 SB.)
    Airborne Sound dB 49
    Reaction to fire (according PKO-07-115/AO 204) - B-s1, d0

Wall Structures :

  • Walls suitable for passive houses
    It is possible to build passive houses thanks to the excellent properties of VELOX building systems.
    The overall concept of a passive house must take into account the need for consistently low energy consumption making VELOX an ideal solution.
    Business signs Wall Construction The thickness of the walls without plaster mm Using a thickness beat.insulation (polystyrene foam) mm Thermal resistance (CSN 73 0540) R (wall without plaster) m2 K / W Heat transfer coefficient U2 (wall without plaster) W/m2K Index of air flak sonority RW (with wall-mounted) dB
    		  
    XL 42 plus 
    WS-EPS-plus 235/beton/WSD 35    		 420 outer wall with 200 mm insulation 6.96 0.14 49
    XL 42 
    WS-35 EPS 235/150/WSD    		 420 outer wall with 200 mm insulation 5.97 0.16 49
    ZL 40 plus 
    WS-EPS-plus 215/beton/WSD 35    		 400 outer wall with 180 mm insulation 6.33 0.15 49
    LL 22 
    WSD 35/150/WSD 35    		 220 internal bearing walls, basement walls without insulation 0.66 1.51 57
    L 7.5 
    GG 10 
    WS 75 
    WS 50 50/WS    		 75 
    100    		 partition 0.79 
    0.90    		 0,952 
    0,862    		 39 
    39
  • Walls suitable for low-energy houses
    The low demand for heating of houses built with VELOX technology are the result, not only of the excellent thermal insulation properties of walls with optional insulation of up to 200 mm, but also the accumulation and thus the thermal inertia of the walls several times higher than conventional building materials.

    This combination allows you to accumulate heat from sunlight through glazed areas during the day and in the evening return it back into the living space. This has a reverse effect in the summer where accumulated evening and night time cold air helps maintain a pleasant room temperature without additional air conditioning.
    Business signs 
    Wall Construction    		 The thickness of the walls without plaster
    mm    		 Using a thickness beat.insulation (polystyrene foam) 
    mm    		 Thermal resistance (ČSN 73 0540) R (wall without plaster) 
    m 2 K / W    		 Heat transfer coefficient U (wall without plaster) 
    W / m 2 K    		 Index of air flak sonority R W (wall with plaster) 
    dB    		  
    ZL 40 
    WS-35 EPS 215/150/WS    		 400 outer wall with 180 mm insulation 5.45 0.18 49
    AL 37 plus 
    WS-EPS-plus 185/150/WS 35    		 370 outer wall with 150 mm insulation 5.40 0.18 49
    AL 37 
    WS-35 EPS 185/150/WS    		 370 outer wall with 150 mm insulation 4.66 0.21 49
    LL 22 
    35 WS 35/150/WS    		 220 internal bearing walls, basement walls without insulation 0.66 1.51 57
    L 7.5 
    GG 10 
    WS 75 
    WS 50 50/WS    		 75 
    100    		 partition 0.79 
    0.90    		 0,952 
    0,862    		 39 
    39
  • Walls for standard use
    When referring to VELOX building systems, the term "standard" does not represent anything other than top quality and excellent features. This of course also applies to the components of a standard wall.
    Business signs 
    Wall Construction    		 The thickness of the walls without plaster t 
    mm    		 Using a thickness beat.insulation (polystyrene foam) 
    mm    		 Thermal resistance (ČSN 73 0540) R (wall without plaster) 
    m 2 K / W    		 Heat transfer coefficient U (wall without plaster) 
    W / m 2 K    		 Index of air flak sonority R W (wall with plaster) 
    dB
    YL 34 plus 
    WS-EPS-plus 155/150/WS 35    		 340 outer wall with 120 mm insulation 4.39 0.22 51
    YL 34 
    WS-35 EPS 155/150/WS    		 340 outer wall with 120 mm insulation 4,092 0,235 51
    UL 32 
    WS-35 EPS 135/150/WS    		 320 outer wall with 100 mm insulation 3,536 0,270 51
    OL 30 
    WS-35 EPS 115/150/WS    		 300 outer wall with 80 mm insulation 2,981 0,318 51
    EL 27 
    WS-35 EPS 85/150/WS    		 270 outer wall with 50 mm insulation 2,150 0,430 52
    LL 22 
    35 WS 35/150/WS    		 220 external load bearing wall, basement wall 0.76 1.08 57
    L 7.5 
    GG 10 
    WS 75 
    WS 50 50/WS    		 75 
    100    		 partition 0.79 
    0.90    		 0,952 
    0,862    		 39 
    39
  • Walls for special use
    The supporting wall of terraced houses or flats TT 19 double - the rate of silencing Rw = 77 db.
    Load bearing partition walls without reinforcement to the quality of the concrete C 12/15 to C 25/30, with plaster on both sides with a thickness of 15 mm.
      Thickness mm Density kg/m2 Thermal conductivity W/mK Partial resistance m2K/W
    Plaster 15 1600 0,60 0,025
    VELOX WSD 35 750 0,13 0,270
    Concrete core 120 2200 1,23 0,100
    VELOX WSD 35 750 0,13 0,270
    Mineral wool insulation 30 105 0,04 0,750
    VELOX WSD 35 750 0,13 0,270
    Concrete core 120 2200 1,23 0,100
    VELOX WSD 35 750 0,13 0,270
    Plaster 15 1600 0,60 0,025
    Weight of construction KG/M2 - 440 Thermal resistance overall wall make up M2/KW - 1,81 Heat transfer coefficient of the whole structure W/M2K - 0,55


    Load bearing wall between flats GT 30 - the level of silencing Rw = 64Db.
    Load bearing partition walls without reinforcement to the quality of concrete C 12/15 to C 25/30 and with plaster on both sides, with a thickness of 15 mm.
    It is possible to build up to 15 storys / levels, depending on the structural analysis.
      Thickness mm Density kg/m2 Thermal conductivity W/mK Partial resistance m2K/W
    Plaster 15 1600 0,60 0,025
    VELOX WS 50 630 0,11 0,455
    Concrete core 215 2100 1,23 0,175
    VELOX WSD 35 750 0,15 0,233
    Plaster 15 1600 0,60 0,025
    Weight of construction KG/M2 - 557 Thermal resistance overall wall make up M2/KW - 0,913 Heat transfer coefficient of the whole structure W/M2K - 0,853
    Load bearing wall between flats TT 30 - the level of silencing Rw = 63Db
    Load bearing partition wall without reinforcement to the quality of concrete C 12/15 to C 25/30 and with plaster on both sides with a thickness of 15 mm.
    It is possible to build up to 12 storeys / levels, depending on the structural analysis.
      Thickness mm Density kg/m2 Thermal conductivity W/mK Partial resistance m2K/W
    Plaster 15 1600 0,60 0,025
    VELOX WS 35 750 0,15 0,233
    Concrete core 230 2100 1,23 0,187
    VELOX WSD 35 750 0,15 0,233
    Plaster 15 1600 0,60 0,025
    Weight of construction KG/M2 - 584
    Thermal resistance overall wall make up M2/KW - 0,704
    Heat transfer coefficient of the whole structure W/M2K - 1,038
    Load beaarring wall between flats TT 25 - the level of silencing Rw = 60db
    Load barring partition wall without reinforcement to the quality of concrete C 12/15 to C 25/30 and with plaster on both sides, with a thickness of 15 mm.
    It is possible to build up to 12 storeys / levels, depending on the structural analysis.
      Thickness mm Density kg/m2 Thermal conductivity W/mK Partial resistance m2K/W
    Plaster 15 1600 0,60 0,025
    VELOX WS 35 750 0,15 0,233
    Concrete core 180 2100 1,23 0,146
    VELOX WSD 35 750 0,15 0,233
    Plaster 15 1600 0,60 0,025
    Weight of construction KG/M2 - 479
    Thermal resistance overall wall make up M2/KW - 0,663
    Heat transfer coefficient of the whole structure W/M2K - 1,038
Technical and advisory service suppliers of VELOX building systems meet all requirements, including the provision of project documentation, technical supervision, staff training, implementation of construction site, or the delivery of "turnkey" builds.

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