Introduction
CIDEM Hranice, a.s., division CETRIS®, is the largest manufacturer of cement bonded particleboards in Europe, starting operations in 1991. The product range has expanded to include cutting, milling, and surface coatings, with global exports and a modernized production line since 2010.
Quality Policy
The CETRIS® division follows a quality policy focused on customer satisfaction, profitability, safety, environmental respect, and supplier relationships. It is ISO 9001 certified and complies with European and national standards.
References
CETRIS® boards are used in various construction projects across Europe, demonstrating versatility in applications like façade cladding and construction panels.
Manufacturing Programme
CETRIS® boards are used in flooring, roofing, façades, and fire protection, complying with EN 633, 634-1, and 634-2 standards.
Merits of CETRIS® Boards
CETRIS® boards are environmentally friendly, fire-resistant, moisture-resistant, soundproof, frost-resistant, and insect-resistant, making them suitable for various construction needs.
Composition and Types
Composed of wooden particles, cement, water, and additives, CETRIS® boards come in various types, including CETRIS® BASIC, with customizable services like cutting and drilling.
Product Specifications- CETRIS® PD and PDB: Cement bonded particleboards with groove and tongue edges, available in thicknesses from 16 to 28 mm, designed for flooring applications.
- CETRIS® PROFIL: Boards with a relief surface imitating wood or slate, used for façade cladding.
- CETRIS® PDI: A two-ply panel combining cement bonded particleboard with insulating wood-fibre board, used in dry floor technology.
- CETRIS® PLUS: Boards with a smooth surface and primer, used for improved adhesion.
- CETRIS® AKUSTIC: Boards with predrilled holes to enhance acoustic properties.
- CETRIS® FINISH: Boards with a smooth surface, primer, and top coat, used for exterior façade cladding.
- CETRIS® LASUR: Boards with a smooth surface treated with primer paint and acrylic varnish glazing.
- CETRIS® DEKOR: Boards with decorative acrylic mosaic plaster.
Packaging, Storage, and Handling- Boards are stored on wooden pallets and protected with PE foil wrap, requiring dry, roofed storage to prevent moisture damage.
- Handling should be done on pallets or in a vertical position to avoid damage.
Parameters and Tolerances- Thickness tolerances vary for sanded and unsanded boards, with specific tolerances for length, width, edge straightness, and rectangularity.
- Quality parameters include deflection from the right angle, permitted edge damage, and surface projections.
Specifications and Tolerances
Tolerances for drilling and board dimensions are specified according to EN 634-1, with a warranty period of 3 years for color stability.
Basic Properties of CETRIS® Cement Bonded Particleboard
Properties include linear expansion due to humidity changes, with specific dilation requirements for vertical and horizontal constructions.
Load Tables
Load tables specify maximum loads for various board thicknesses and beam spans.
Thermal and Sound Insulation Properties
CETRIS® boards have a thermal conductivity coefficient that varies with thickness and humidity, effective for applications requiring low thermal resistance.
Sound Transmission Loss
Discusses the sound transmission loss (STL) of wall constructions using CETRIS® boards, measured according to EN ISO 140-3.
Space Requirements for Noise Absorption
Different compositions of CETRIS® boards are recommended for various building types to achieve specific sound insulation levels.
Vapour Permeability
Explains vapour diffusion through CETRIS® boards, affecting permeability.
Fire Protection Properties
CETRIS® boards are classified as A2-s1,d0 according to EN 13501-1, indicating non-flammability and low smoke production.
Processing of CETRIS® Boards
Boards can be cut, drilled, milled, and sanded using common wood processing tools.
Fastening of CETRIS® Boards
For interior anchoring, self-cutting screws are recommended for fixing CETRIS® boards to sheet metal profiles.
Specifications
CETRIS® boards are used for wall cladding and are fixed to vertical CW profiles.
Procedures
When anchoring CETRIS® boards, ensure the first anchor is closer to the CW profile stand to avoid deformation.
Norms and Standards
Resistance to screw pulling out is specified by EN 320.
Recommendations
Use anti-corrosion treated fastening elements.
Support Span and Screw Spacing
Specifications for support span and screw spacing vary based on board thickness and application.
Surface Finishes
When applying surface finishes, ensure materials are stable in an alkali environment.
Surface Finishes of CETRIS® Cement Bonded Particleboard
Recommended Paints
Lists various primers and top coats suitable for CETRIS® boards.
Wallpapers
Vinyl or glass fibre wallpapers can be used on CETRIS® boards.
Plastering
Used to hide joints on CETRIS® boards.
Ceramic Tiles for Interiors
Elastic fillers are recommended for joint filling.
CETRIS® Floor Systems
Describes various CETRIS® flooring systems, including floating floors.
Types of CETRIS® Floor Boards
Details CETRIS® PD and PDB floor boards, including their dimensions and thicknesses.
Specifications
CETRIS® floor systems include IZOCET and POLYCET, utilizing 12 mm thick CETRIS® boards.
Procedures
For floating floors, CETRIS® PDI panels are used.
Norms and Recommendations
Fixing of CETRIS® floor boards involves screwing.
Key Data from Tables
Provides thickness and weight data for CETRIS® floor boards.
Floating Floors
IZOCET floating floors are light, with a weight up to 75 kg/m².
Load-Bearing Base Requirements
The base must be dry and able to transfer the minimum load.
Load-Bearing Surface Levelling
Surface levelling can be achieved using wet or dry methods.
Base Humidity and Insulation
The maximum permitted mass humidity is 12% for wooden bases.
Preparation of Base before Floor Laying
The IZOCET floating floor should be laid after wet construction works are completed.
IZOCET Floating Floor Laying
Lay the CETRIS® boards in a cross pattern.
POLYCET Floating Floors
POLYCET floors are light floating floors with insulation boards of elasticised foam polystyrene.
OverviewThe document provides detailed specifications and performance characteristics of various POLYCET floor systems.
Specifications- CETRIS® Boards: Cement bonded particleboards with a thickness of 12 mm.
- Insulation Materials: Various types of expanded polystyrene (EPS) are used.
- Fastening Components: Self-cutting screws with double threads and sunken heads.
Performance Characteristics- Sound Insulation: The POLYCET systems meet sound transmission loss requirements.
- Thermal Insulation: POLYCET Therm flooring provides high thermal resistance.
- Load-Bearing Capacity: The flooring systems are tested for concentrated and dynamic loads.
Applications- POLYCET Aku: Designed for acoustic insulation between residential units.
- POLYCET Therm: Ideal for basement floors with high thermal resistance.
- POLYCET Heat: Features inbuilt floor heating.
- POLYCET Max: Suitable for higher load categories.
- POLYCET Min: A cost-effective solution for rooms with lower load requirements.
Recommendations For optimal acoustic performance, additional loading of the ceiling construction is recommended.
Introduction
This document provides technical specifications and procedures for the installation of POLYCET floating floors.
Specifications
Outlines various types of EPS used in floor heating systems.
Construction Requirements
Specifies the required and recommended values for heat transfer coefficients.
Base Preparation
The load-bearing base must be well-prepared.
Floor Laying Procedures
The POLYCET floating floor should be laid after completing wet construction works.
Installation of CETRIS® Boards
Involves laying CETRIS® boards in two layers.
Recommendations
For large floor areas, it is recommended to lay insulation and boards by dilation fields.
Conclusion
The document provides comprehensive guidelines for the installation of POLYCET floating floors.
Specifications
The document outlines the installation of CETRIS® boards, focusing on the POLYCET Heat system.
Procedures
Place screws in predrilled holes and press down on the boards during joining.
Recommendations
Avoid using standard size CETRIS® boards with POLYCET Heat.
Norms and Standards
References EN 13 810-1 for loading capacity tests.
Key Data from Tables and Diagrams
Provides thickness and weight data for CETRIS® PDI panels.
Critical Information
Ensure the base is level, dry, and capable of supporting the load.
Best Practices
Use a protective foil to separate insulation layers from moisture.
Overview
This document provides detailed technical specifications and procedures for the installation and use of CETRIS® floor systems.
Specifications The document outlines the recommended thickness of CETRIS® floor boards based on the span of beams and the type of room.
Installation Procedures Detailed instructions are provided for laying CETRIS® PD and PDB floor boards.
Two-Layer Floor Systems Describes the construction of two-layer CETRIS® floors.
Floor Covering Preparation After installing CETRIS® boards, the surface must be checked for planarity.
Key Recommendations The document recommends using flexible inserts between beams and load-bearing constructions.
Overview
This document provides detailed guidelines for the installation and treatment of CETRIS® cement-bonded particleboard floor systems.
Priming and Gluing Priming is essential for CETRIS® boards.
Floor Covering Recommendations It is advised to use unified systems from the same manufacturer.
Hydro-Insulation In water-stressed areas, sufficient hydro-insulation is necessary.
System Composition Lists various system compositions for different floor types.
Impact Sound Absorption Systems are available to reduce impact noise.
Floor Heating CETRIS® boards can be used with floor heating systems.
Special Considerations Emphasizes consulting with manufacturers for specific cases.
Product Certificates
Provides product certificates for various floating floor systems.
CETRIS® Façade Systems
Details the application options, categorization, and types of CETRIS® boards used in façade systems.
Application Options and Advantages
CETRIS® vented façades are suitable for various building types.
Categorization and Types of CETRIS® Boards
Describes different types of CETRIS® boards.
Technological Procedures
Outlines the technological procedures for processing, packaging, and storing CETRIS® boards.
Composition and Assembly
Provides detailed instructions for the assembly of CETRIS® façade systems.
Key Specifications
Includes tables and diagrams detailing board thickness, screw spans, support spacing, and other critical parameters.
Specifications
Outlines the specifications for CETRIS® Façade Systems, focusing on load-bearing constructions.
Procedures
Involves fixing laths to the primary grid.
Norms and Standards
Materials comply with DIN 4113 standards.
Recommendations
For wind tightness and hydro insulation, DuPont™ Tyvek® Façade membranes are recommended.
Key Data from Tables and Diagrams
Includes diagrams showing the elements of the STYL 2000 system.
Critical Information
Key requirements include the need for trained personnel for installation.
OverviewThis document provides detailed instructions for the assembly of CETRIS® façade systems.
Specifications- Horizontal profiles are fixed using screws and frame dowels.
- Vertical wooden laths are specified in two sizes.
- Heat insulation thickness must match the thickness of the horizontal laths.
Assembly Procedures- Wooden Load-Bearing Construction: Involves the installation of a primary grid with horizontal laths.
- Aluminum or Zinc-Coated Construction: Utilizes L profiles for high thermal expansion.
- DEKMETAL Construction: Involves forming a horizontal grid.
Key Recommendations- Ensure all wooden elements are dried and treated against humidity and pests.
- Use stainless anchoring materials for joining.
Critical Considerations- Incorrect spacing or anchoring can lead to deformations or damage to CETRIS® boards.
Specifications and Procedures
Outlines the installation and specifications for CETRIS® cement-bonded particleboards.
Panel Installation
For panels of 16 mm or 10 mm thickness, the boards are glued to inner braces.
Roof Overlap and Underside Covering
CETRIS® boards are used for horizontal or oblique cladding of roof construction overlaps.
Cladding of Bottom Structure (Basement)
Basement cladding uses CETRIS® boards.
Fire Protection
Details the application of CETRIS® boards in fire protection.
Key Data from Tables
Tables provide specific measurements for board thickness, support distance, screw distance, and spacing for different applications.
Specifications and Classification
Outlines the classification criteria for building products based on their reaction to fire.
Fire Resistance of Building Constructions
Fire resistance is measured in minutes and is crucial for building constructions.
Application of CETRIS® Boards
CETRIS® boards are used in various wall constructions.
Vertical Wall Constructions
CETRIS® boards can be used in vertical wall constructions with fire resistance up to 180 minutes.
Materials for Assembly
Lists materials for assembling fire wall constructions.
Specifications
Outlines the use of stainless or galvanized screws for anchoring CETRIS® boards in exteriors.
Application of CETRIS® Boards in Fire Protection
Provides detailed guidelines for using CETRIS® boards in fire protection.
Wall Construction Details
Details for partition walls, fire partitions, and shaft walls.
Fire Resistance Specifications
Includes tables specifying the thickness of CETRIS® board coatings required for different fire resistance levels.
Construction Composition
Specifies the use of self-cutting screws with sunken heads for anchoring boards to metal profiles.
Advanced Walls and Direct Fire Cladding
Advanced walls are used to increase the fire resistance of existing fire partitions.
Key Recommendations
Ensure proper predrilling of CETRIS® boards.
Specifications
Outlines the use of CETRIS® boards for enhancing fire resistance in wall constructions.
Procedures
Direct cladding requires structural assessment due to its weight.
Norms and Standards
Fire resistance is determined according to EN 13501-2 and ČSN 73 0810 standards.
Recommendations
For constructions with fire resistance over 60 minutes, additional insulation with mineral wool is recommended.
Key Data from Tables
Tables provide dimensions for direct cladding.
Model Construction Solutions
Details are provided for advanced wall constructions.
General Principles
Assembly principles for fire walls on steel and wooden frameworks are detailed.
Specifications
Outlines the fire resistance requirements for CETRIS® ceiling and panel constructions.
Assembly Procedures
General principles for assembling fire ceiling panels.
Fire Resistance Standards
References several standards for assessing fire resistance.
Recommendations
For suspended ceilings without mineral wool, a strip of mineral wool must be inserted around the circumference.
Key Data from Tables
Tables provide fire resistance values for wooden beams and ceiling covers.
Testing and Certification
Mentions that CETRIS® ceiling panels were tested for fire resistance and impact resistance.
Introduction
CETRIS® cement-bonded particleboards are used for fire protection in construction.
Specifications
Basic size: 1,250 × 3,350 mm
Materials and Components
Includes CETRIS® boards and ORSIL (ISOVER) mineral board.
Assembly Procedures
Maximum screw spacing: 300 mm for CETRIS® boards.
Fire Resistance and Design
Fire resistance intervals: 15 to 240 minutes.
Dimension Tables
Tables provide thickness requirements for CETRIS® boards.
Conclusion
CETRIS® boards are essential for fire protection in construction.
Specifications for CETRIS® Boards in Exteriors
CETRIS® boards must be anchored using screws with semi-circular or hexagonal heads.
General Principles of Cladding Assembly
CETRIS® boards should be laid without cross joints.
Fire Protection Application
The fire protection ability of CETRIS® boards is tested according to EN 14 135 standards.
Light Composed Roofing
This roofing system combines materials for high-standard use.
General Principles of Assembly for Roofing
CETRIS® boards are laid tightly in two layers without gaps.
Introduction to CETRIS® Boards
CETRIS® boards are used in construction, particularly in transport structures.
Specifications and Load Determination
The thickness of CETRIS® boards is determined by the load they need to bear.
Applications and Advantages
CETRIS® boards are versatile, used in walls, ceilings, beams, and more.
Permanent Shuttering System
This system uses CETRIS® boards as formwork elements.
Acoustic Properties
The CETRIS® AKUSTIC board enhances acoustic properties.
Overview
The document provides detailed specifications and guidelines for the use of CETRIS® AKUSTIC boards.
Specifications The CETRIS® AKUSTIC boards are available in various thicknesses.
Sound Absorption The sound absorption factor (α) is detailed.
Physical and Mechanical Properties The boards have a density range of 1,150 – 1,450 kg/m³.
Installation Guidelines Detailed instructions are provided for the assembly of CETRIS® AKUSTIC boards.
Surface Finish and Maintenance Recommendations are given for surface treatment.
Load Bearing and Additional Applications Specifies the maximum additional load that can be applied to the boards.
Materials and Components A comprehensive list of materials and components required for the assembly of CETRIS® AKUSTIC boards is provided.
Contact Information The document concludes with contact details for technical and sales departments.