AQUAFIN-CJ6_Zertifikat_BBA_GB.pdf
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<h1>AQUAFIN-CJ6_Zertifikat_BBA_GB.pdf</h1> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstr. 2-8 <br />Detmold <br />NRW <br />32760, Germany</p> <p>Agrément Certificate <br />20/5741</p> <p>Tel: +49 5231 953 00 <br />e-mail: info@schomburg.de <br />website: www.schomburg.com/de/en</p> <p>Product Sheet 3 Issue 2</p> <p>SCHOMBURG WATERPROOF CONCRETE CONSTRUCTION SYSTEM <br />AQUAFIN-CJ6 <br />This Agrément Certificate Product Sheet relates to <br />AQUAFIN-CJ6, a flexible, hydrophilic waterstop for <br />use at construction joints and penetrations in <br />underground reinforced waterproof concrete <br />structures. <br />(1)</p> <p>(1) Hereinafter referred to as ‘Certificate’.</p> <p>The assessment includes <br />Product factors: <br />• compliance with Building Regulations <br />• compliance with additional regulatory or nonregulatory information where applicable <br />• evaluation against technical specifications <br />• assessment criteria and technical investigations <br />• uses and design considerations <br />Process factors: <br />• compliance with Scheme requirements <br />• installation, delivery, handling and storage <br />• production and quality controls <br />• maintenance and repair <br />Ongoing contractual Scheme elements†: <br />• regular assessment of production <br />• formal 3-yearly review</p> <p>KEY FACTORS ASSESSED <br />Section 1. Mechanical resistance and stability <br />Section 2. Safety in case of fire <br />Section 3. Hygiene, health and the environment <br />Section 4. Safety and accessibility in use <br />Section 5. Protection against noise <br />Section 6. Energy economy and heat retention <br />Section 7. Sustainable use of natural resources <br />Section 8. Durability</p> <p>The BBA has awarded this Certificate to the company named above for the system described herein. This system <br />has been assessed by the BBA as being fit for its intended use provided it is installed, used and maintained as set <br />out in this Certificate. <br />On behalf of the British Board of Agrément <br />Date of Second issue: 11 November 2025 <br />Originally certified on 15 April 2020</p> <p>Hardy Giesler <br />Chief Executive Officer</p> <p>This BBA Agrément Certificate is issued under the BBA’s Inspection Body accreditation to ISO/IEC 17020. Sections marked with † are not issued under accreditation. <br />The BBA is a UKAS accredited Inspection Body (No. 4345), Certification Body (No. 0113) and Testing Laboratory (No. 0357). <br />Readers MUST check that this is the latest issue of this Agrément Certificate by either referring to the BBA website or contacting the BBA directly. <br />The Certificate should be read in full as it may be misleading to read clauses in isolation. <br />Any photographs are for illustrative purposes only, do not constitute advice and should not be relied upon.</p> <p>British Board of Agrément <br />1st Floor, Building 3, Hatters Lane <br />Croxley Park, Watford <br />Herts WD18 8YG</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>©2025</p> <p>tel: 01923 665300 <br />clientservices@bbacerts.co.uk <br />www.bbacerts.co.uk</p> <p>Page 1 of 9</p> <p>SUMMARY OF ASSESSMENT AND COMPLIANCE <br />This section provides a summary of the assessment conclusions; readers should refer to the later sections of this <br />Certificate for information about the assessments carried out.</p> <p>Compliance with Regulations <br />Having assessed the key factors, the opinion of the BBA is that AQUAFIN-CJ6, if installed, used and maintained in <br />accordance with this Certificate, can satisfy or contribute to satisfying the relevant requirements of the following <br />Building Regulations:</p> <p>The Building Regulations 2010 (England and Wales) (as amended) <br />Requirement: <br />Comment:</p> <p>C2(a)</p> <p>Resistance to moisture <br />The system provides an effective barrier to water under hydrostatic pressure. See <br />section 3 of this Certificate.</p> <p>Regulation: <br />Comment:</p> <p>7(1)</p> <p>Materials and workmanship <br />The system is acceptable. See sections 8 and 9 of this Certificate.</p> <p>The Building (Scotland) Regulations 2004 (as amended) <br />Regulation: <br />Comment:</p> <p>8(1)</p> <p>Fitness and durability of materials and workmanship <br />The system is acceptable. See sections 8 and 9 of this Certificate.</p> <p>Regulation: <br />Standard: <br />Comment:</p> <p>9 <br />3.4</p> <p>Building standards – construction <br />Moisture from the ground <br />The system is an effective barrier to water under hydrostatic pressure, with reference <br />to clauses 3.4.1(1)(2), 3.4.5(1)(2) and 3.4.7(1)(2) of this Standard. See section 3 of this <br />Certificate.</p> <p>Standard: <br />Comment:</p> <p>7.1(a)</p> <p>Statement of sustainability <br />The system can contribute to satisfying the relevant requirements of Regulation 9, <br />Standards 1 to 6, and therefore will contribute to a construction meeting at least a <br />bronze level of sustainability as defined in this Standard.</p> <p>Regulation: <br />Comment:</p> <p>12</p> <p>Building standards – conversion <br />All comments given for the system under Regulation 9, Standards 1 to 6, also apply to <br />this Regulation, with reference to clause 0.12.1(1)(2) and Schedule 6(1)(2). <br />(1) Technical Handbook (Domestic). <br />(2) Technical Handbook (Non-Domestic).</p> <p>The Building Regulations (Northern Ireland) 2012 (as amended) <br />Regulation: <br />Comment:</p> <p>23(1)(a)(i) <br />(iii)(b)(i)</p> <p>Fitness of materials and workmanship <br />The system is acceptable. See sections 8 and 9 of this Certificate.</p> <p>Regulation: <br />Comment:</p> <p>28(a)</p> <p>Resistance to moisture and weather <br />The system is an effective barrier to water under hydrostatic pressure. See section 3 of <br />this Certificate.</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>Page 2 of 9</p> <p>Additional Information <br />NHBC Standards 2025 <br />In the opinion of the BBA, AQUAFIN-CJ6, if installed, used and maintained in accordance with this Certificate, can satisfy <br />or contribute to satisfying the relevant requirements in relation to NHBC Standards, Chapter 5.4 Waterproofing of <br />basements and other below ground structures (requiring proprietary waterproofing materials to comply with Technical <br />Requirement R3). <br />Unless it can be demonstrated that the water table is permanently below the underside of the slab, the system must be <br />used within a Type B(1) waterproofing protection system, in combination with either a Type A(1) or C(1) waterproofing <br />protection where Grade 3(1) protection is required and the below ground wall retains more than 600 mm (measured <br />from the top of the retained ground to the lowest finished floor level). <br />The opinion of the BBA does not amount to any endorsement or approval by NHBC and does not in any way guarantee <br />that NHBC will approve such product / system as compliant with the NHBC Technical Requirements and Standards. <br />(1) As defined in BS 8102 : 2022.</p> <p>Fulfilment of Requirements <br />The BBA has judged AQUAFIN-CJ6 to be satisfactory for use as described in this Certificate. The system has been <br />assessed as a flexible, hydrophilic waterstop for use at construction joints and penetrations in underground reinforced <br />waterproof concrete structures.</p> <p>ASSESSMENT <br />System description and intended use <br />The Certificate holder provided the following description for the system under assessment. <br />AQUAFIN-CJ6 is a flexible hydrophilic waterstop. It is red in colour and measures 20 mm wide by 5 mm in thickness. <br />Ancillary Items <br />AQUAFIN-CA is an adhesive used to secure AQUAFIN-CJ6 to the concrete substrate which is essential to use with the <br />system and has been assessed with the system. <br />Applications <br />The system is satisfactory for use as part of a Type B (structurally integral) protection (as defined in BS 8102 : 2022) to <br />waterproof construction joints and penetrations in underground reinforced waterproof concrete structures. <br />The system has not been assessed for use in movement joints.</p> <p>System assessment – key factors <br />The system was assessed for the following key factors, and the outcome of the assessments is shown below. <br />Conclusions relating to the Building Regulations apply to the whole of the UK unless otherwise stated.</p> <p>1 Mechanical resistance and stability <br />Not applicable.</p> <p>2 Safety in case of fire <br />Not applicable. <br />BBA 20/5741 PS3 Issue 2</p> <p>Page 3 of 9</p> <p>3 Hygiene, health and the environment <br />Data were assessed for the following characteristics. <br />3.1 Weathertightness <br />3.1.1 Results of weathertightness tests are given in Table 1. <br />Table 1 Weathertightness <br />System assessed <br />AQUAFIN CJ-6</p> <p>Assessment method <br />Unrestrained swelling and recovery <br />BBA test method</p> <p>Requirement <br />No detrimental <br />effect</p> <p>Result <br />Pass</p> <p>AQUAFIN CJ-6</p> <p>Restrained load developed when swollen <br />BBA test method</p> <p>Value achieved</p> <p>1008 N achieved <br />after 10 days</p> <p>AQUAFIN CJ-6</p> <p>Resistance to hydrostatic pressure <br />PG-FBB Part 1 <br />Exposure to 4 bar of water pressure for 28 days</p> <p>No water <br />penetration</p> <p>Pass</p> <p>3.1.2 The unconfined system, in neutral pH water at +5°C and +23°C, will expand by up to 550% and 1000% by volume, <br />respectively. <br />3.1.3 The expansion of the system in an alkaline solution of calcium hydroxide with a pH up to 12.0 and an acidic <br />solution of sulphuric acid with a pH down to 5.0 will be less than that in neutral water, but will be adequate to enable <br />the system to form an effective seal when fully confined. <br />3.1.4 The system will shrink on drying, but will re-hydrate on wetting without detriment to their ability to swell. <br />3.1.5 On the basis of data assessed, the system forms an effective barrier to water under pressure from the ground. <br />3.1.6 The ability of the system to expand and form an effective seal can be adversely affected by the groundwater <br />chemistry, eg saline conditions, and the system has not been assessed for use under conditions other than those <br />detailed in Table 1. The Certificate holder must be consulted for advice on specific applications, service conditions and <br />groundwater chemistry, but such advice is outside the scope of this Certificate. <br />3.1.7 The system will develop significant pressure when confined within a concrete structure and must be covered by <br />at least 80 mm of concrete from each edge to reduce the risk of damaging the concrete. <br />3.1.8 An appropriate safety factor must be applied to the maximum water pressure given in Table 1 and the use of <br />additional waterproof protection must be considered, depending on the specific use and risks associated with any <br />particular structure.</p> <p>4 Safety and accessibility in use <br />Not applicable.</p> <p>5 Protection against noise <br />Not applicable.</p> <p>6 Energy economy and heat retention <br />Not applicable.</p> <p>7 Sustainable use of natural resources <br />Not applicable. <br />BBA 20/5741 PS3 Issue 2</p> <p>Page 4 of 9</p> <p>8 Durability <br />The potential mechanisms for degradation and the known performance characteristics of the materials in the system <br />were assessed. <br />8.2 Service life <br />8.2.1 Under normal service conditions, the system will have a life equivalent to the structure in which it is <br />incorporated, provided it is designed, installed and maintained in accordance with this Certificate and the Certificate <br />holder’s instructions. <br />8.2.2 The durability of the system may be affected if it is dislodged or damaged during or following installation; <br />therefore, care must be taken to ensure that the system remains in position and is not dislodged when concrete is <br />poured over it, or damaged during subsequent actions, eg vibration.</p> <p>PROCESS ASSESSMENT <br />Information provided by the Certificate holder was assessed for the following factors:</p> <p>9 Design, installation, workmanship and maintenance <br />9.1 Design <br />The system swells on contact with water and must be fully confined within the concrete structure to form an effective <br />seal. <br />9.2 Installation <br />9.2.1 Installation instructions provided by the Certificate holder were assessed and judged to be appropriate and <br />adequate. <br />9.2.2 Installation must be carried out in accordance with this Certificate and the Certificate holder’s instructions. A <br />summary of instructions and guidance is provided in Annex A. <br />9.2.3 Installation must be carried out in accordance with the relevant requirements of BS 8102 : 2022. <br />9.2.4 To avoid premature swelling, the system must be protected from contact with water until enclosed in the <br />structure and must not be placed during rain or when rain is forecast. <br />9.2.5 The system is intended for use on a sound and well-compacted concrete substrate. The substrate must be: <br />clean and free from surface contamination <br />dry <br />at a temperature between +5 and +35°C <br />free of dust, dirt and other debris (if present, must be removed using a stiff brush and/or suitable mechanical <br />means) <br />• smooth. Freshly placed concrete can be smoothed with a wooden batten to form a shallow rebate along which the <br />system can be placed. <br />• <br />• <br />• <br />•</p> <p>9.2.6 A minimum of 80 mm concrete coverage must be ensured around all edges. <br />9.2.7 Roll ends must be placed to have an overlap of ≥50 mm and pressed firmly together, or by butt jointing. Butt <br />joints must be covered by a separate section of waterstop with a 30 mm overlap to both sections.</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>Page 5 of 9</p> <p>9.3 Workmanship <br />Practicability of installation was assessed by the BBA, on the basis of the Certificate holder’s information. To achieve the <br />performance described in this Certificate, installation of the system must be carried out by contractors who have been <br />trained by the Certificate holder. <br />9.4 Maintenance and repair <br />As the system is confined within the structure and has suitable durability, maintenance is neither possible nor required.</p> <p>10 Manufacture <br />10.1 The production processes for the system have been assessed, and provide assurance that the quality controls are <br />satisfactory according to the following factors: <br />10.1.1 The manufacturer has provided documented information on the materials, processes, testing and control <br />factors. <br />10.1.2 The quality control operated over batches of incoming materials has been assessed and deemed appropriate <br />and adequate. <br />10.1.3 The quality control procedures and system testing to be undertaken have been assessed and deemed <br />appropriate and adequate. <br />10.1.4 The process for management of non-conformities has been assessed and deemed appropriate and adequate. <br />10.1.5 An audit of each production location was undertaken, and it was confirmed that the production process was in <br />accordance with the documented process, and that equipment has been properly tested and calibrated. <br />† 10.2 The BBA has undertaken to review the above measures on a regular basis through a surveillance process, to <br />verify that the specifications and quality control operated by the manufacturer are being maintained.</p> <p>11 Delivery and site handling <br />11.1 The Certificate holder stated that the system is supplied in 40 m rolls, packaged as given in Table 2. Packaging <br />bears the Certificate holder’s name and traceability information. <br />Table 2 Product packaging <br />No. of rolls per <br />carton <br />1 <br />5</p> <p>Estimated carton <br />weight <br />5 kg <br />25 kg</p> <p>No. of cartons <br />per pallet <br />50 <br />20</p> <p>Estimated total <br />weight of pallet <br />270 kg <br />520 kg</p> <p>11.2 Delivery and site handing must be performed in accordance with the Certificate holder’s instructions and this <br />Certificate, including: <br />11.2.1 The system must be stored in a cool, dry environment, under cover, clear of the ground and protected from UV, <br />moisture, frost and other sources of contamination at a temperature of between 5 and 35°C.</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>Page 6 of 9</p> <p>†ANNEX A – SUPPLEMENTARY INFORMATION <br />Supporting information in this Annex is relevant to the system but has not formed part of the material assessed for the <br />Certificate.</p> <p>Construction (Design and Management) Regulations 2015 <br />Construction (Design and Management) Regulations (Northern Ireland) 2016 <br />Information in this Certificate may assist the client, designer (including Principal Designer) and contractor (including <br />Principal Contractor) to address their obligations under these Regulations.</p> <p>CLP Regulations <br />The Certificate holder has taken the responsibility of classifying and labelling the system under the GB CLP Regulation <br />and CLP Regulation (EC) No 1272/2008 - classification, labelling and packaging of substances and mixtures. Users must <br />refer to the relevant Safety Data Sheet(s).</p> <p>Management Systems Certification for production <br />The management system of the manufacturer has been assessed and registered as meeting the requirements of <br />BS EN ISO 9001 : 2015 by TÜV Rheinland Cert GmbH International (Certificate 01 100 6383/05).</p> <p>Additional information on installation <br />Placing <br />A.1 AQUAFIN-CJ6 is unrolled and placed onto the concrete surface to sit centrally between the inner and outer rows of <br />the reinforcing bars. <br />Fixing <br />A.2 AQUAFIN-CA can be used on clean substrates, wire brushed to remove all contamination. A 10 mm bead of <br />AQUAFIN-CA is gunned onto the substrate, and the system firmly pressed into the adhesive. <br />Enclosure <br />A.3 Prior to enclosing AQUAFIN-CJ6, the placed system must be inspected for damage and premature swelling. If <br />damaged and/or swollen, the system must be replaced at this stage. <br />A.4 Concrete is then poured to enclose the system, compacting well around the waterstop but taking particular care <br />not to dislodge or damage the strip during the process.</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>Page 7 of 9</p> <p>Bibliography <br />BS 8102 : 2022 Protection of below ground structures against water ingress – Code of practice <br />BS EN ISO 9001 : 2015 Quality management systems – Requirements <br />PG-FBB Part 1 – Sealing for construction joints, transitions and connections: September 2017 Testing fundamentals for <br />the issuing of General Building Inspection Test Certificates for joint sealing in concrete components with high water <br />penetrate on resistance in the area below ground level</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>Page 8 of 9</p> <p>Conditions of Certificate <br />Conditions <br />1 This Certificate: <br />• <br />• <br />• <br />• <br />• <br />•</p> <p>relates only to the product that is named and described on the front page <br />is issued only to the company, firm, organisation or person named on the front page – no other company, firm, <br />organisation or person may hold or claim that this Certificate has been issued to them <br />has to be read, considered and used as a whole document – it may be misleading and will be incomplete to be <br />selective <br />is copyright of the BBA <br />and any matter arising out of or in connection with it or its subject matter (including non-contractual disputes or <br />claims) is governed by and construed in accordance with the law of England and Wales. <br />the courts of England and Wales shall have exclusive jurisdiction to settle any matter arising out of or in connection <br />with this Certificate or its subject matter (including non-contractual disputes or claims).</p> <p>2 Publications, documents, specifications, legislation, regulations, standards and the like referenced in this Certificate <br />are those that were current and/or deemed relevant by the BBA at the date of issue or reissue of this Certificate. <br />3 This Certificate will be displayed on the BBA website, and the Certificate Holder is entitled to use the Certificate and <br />Certificate logo, provided that the product and its manufacture and/or fabrication, including all related and relevant <br />parts and processes thereof: <br />• are maintained at or above the levels which have been assessed and found to be satisfactory by the BBA <br />• continue to be checked as and when deemed appropriate by the BBA under arrangements that it will determine <br />• are reviewed by the BBA as and when it considers appropriate. <br />4 The BBA has used due skill, care and diligence in preparing this Certificate, but no warranty is provided. <br />5 In issuing this Certificate the BBA is not responsible and is excluded from any liability to any company, firm, <br />organisation or person, for any matters arising directly or indirectly from: <br />• the presence or absence of any patent, intellectual property or similar rights subsisting in the product or any other <br />product <br />• the right of the Certificate holder to manufacture, supply, install, maintain or market the product <br />• actual installations of the product, including their nature, design, methods, performance, workmanship and <br />maintenance <br />• any works and constructions in which the product is installed, including their nature, design, methods, performance, <br />workmanship and maintenance <br />• any loss or damage, including personal injury, howsoever caused by the product, including its manufacture, supply, <br />installation, use, maintenance and removal <br />• any claims by the manufacturer relating to UKCA marking and CE marking. <br />6 Any information relating to the manufacture, supply, installation, use, maintenance and removal of this product <br />which is contained or referred to in this Certificate is the minimum required to be met when the product is <br />manufactured, supplied, installed, used, maintained and removed. It does not purport in any way to restate the <br />requirements of the Health and Safety at Work etc. Act 1974, or of any other statutory, common law or other duty <br />which may exist at the date of issue or reissue of this Certificate; nor is conformity with such information to be taken as <br />satisfying the requirements of the 1974 Act or of any statutory, common law or other duty of care.</p> <p>British Board of Agrément <br />1st Floor, Building 3, Hatters Lane <br />Croxley Park, Watford <br />Herts WD18 8YG</p> <p>BBA 20/5741 PS3 Issue 2</p> <p>©2025</p> <p>tel: 01923 665300 <br />clientservices@bbacerts.co.uk <br />www.bbacerts.co.uk</p> <p>Page 9 of 9</p>
