Green building materials: steel door

Core Content of the Certification

The green building materials certification for steel entrance doors focuses on the green performance throughout the product's entire lifecycle, with core examination conducted across the following four attribute dimensions:

• Resource Attributes: Includes indicators such as the comprehensive utilization rate of solid waste during production, the degree of raw material localization, and water resource consumption. Encourages enterprises to use recyclable materials, reduce the environmental impact of transportation through localized procurement, and focus on the environmental performance of raw materials.
• Energy Attributes: Primarily focuses on energy consumption per unit product. The comprehensive energy consumption during the production process of steel entrance doors should meet the requirements of relevant energy consumption limit standards, including energy consumption control in processes such as panel processing, surface treatment, and assembly. The Three-star certification requires production energy consumption to reach industry advanced levels, encouraging enterprises to adopt energy-saving production processes and clean energy technologies.
• Environmental Attributes: Covers indicators such as air pollutant emissions, workplace dust concentration, wastewater discharge, and noise control. Production enterprises must legally obtain pollutant discharge permits and discharge pollutants according to the permit's stipulations. The collection, storage, and disposal of general solid waste must comply with the relevant provisions of GB 18599; the storage of hazardous waste must comply with the relevant provisions of GB 18597 and should subsequently be delivered to units holding hazardous waste operation licenses for disposal.
• Quality Attributes: Key performance indicators of steel entrance door products are tested according to relevant product standards. Anti-theft security doors should comply with the relevant provisions of GB 17565 "General Technical Conditions for Anti-theft Safety Doors"; fire doors should comply with the relevant provisions of GB 12955 "Fire Doors"; steel-wood doors should comply with the relevant provisions of JG/T 392 "Steel-Wood Interior Doors for Buildings"; other steel entrance doors should comply with the relevant provisions of GB/T 20909 "Steel Doors and Windows" or JG/T 453 "Side-hung Entrance Doors". Quality attributes also include indicators such as durability for repeated opening and closing, airborne sound insulation performance, and air permeability performance.

Certification Levels and Evaluation System

The green building materials product grading certification, based on the T/CECS 10054-2019 standard, classifies products into three levels from low to high according to the level of evaluation indicators achieved:

• One-star: Meets basic green evaluation requirements and complies with national basic standards for green building materials. Enterprises must satisfy all requirements of the control items, with each evaluation indicator reaching the One-star baseline value.
• Two-star: Performs well in resource conservation, energy consumption, environmental protection, etc., reaching an advanced industry level. The requirements for each evaluation indicator are stricter than those for One-star.
• Three-star: Demonstrates outstanding green performance, with the minimal impact on the ecological environment throughout the entire lifecycle. It is the highest level of green building material product. The Three-star level requires energy consumption per unit product to meet advanced value standards, with the most stringent requirements for each evaluation indicator.

The evaluation method also considers the inclusion of bonus items, including: proactively focusing on the environmental impact of the entire lifecycle (conducting environmental declarations through scientific methods such as LCA), using green electricity and other clean energy sources, completing energy management system certification, and establishing a green factory.

Evaluation Indicator Requirements

The evaluation indicator system for steel entrance doors consists of primary and secondary indicators. Primary indicators include resource attribute indicators, energy attribute indicators, environmental attribute indicators, and quality attribute indicators. Main testing items and reference standards include:

• Total Volatile Organic Compounds (TVOC) Emission Rate: Tested according to the provisions in Appendix A of HJ 571—2010.
• Formaldehyde Emission Limit: Tested according to the provisions of GB 18580.
• Durability for Repeated Opening and Closing: Tested according to the provisions of GB/T 29739.
• Airborne Sound Insulation Performance: Tested according to the provisions of GB/T 8485.
• Air Permeability Performance: Tested according to the provisions of GB/T 7106.

Basic Certification Requirements

Enterprises and products applying for green building materials certification for steel entrance doors must meet the following basic conditions:

• Compliance Requirements for Production and Operation: The production enterprise has had no major environmental pollution incidents or major safety accidents in the past three years.
• Solid Waste Disposal Requirements: The collection, storage, and disposal of general solid waste must comply with the relevant provisions of GB 18599; the storage of hazardous waste must comply with the relevant provisions of GB 18597 and should subsequently be delivered to units holding hazardous waste operation licenses for disposal.
• Management System Requirements: The production enterprise should establish and operate a quality management system and an environmental management system in accordance with GB/T 19001 and GB/T 24001, respectively.
• Compliance of Production Equipment and Technology: The production enterprise should adopt advanced technologies and processes encouraged by the state and should not use technologies, processes, equipment, or related substances that have been eliminated or banned by the state or relevant departments.
• Product Qualification Requirements: The anti-theft security doors among the steel entrance doors applying for green building materials evaluation should comply with the relevant provisions of GB 17565; fire doors should comply with the relevant provisions of GB 12955; steel-wood doors should comply with the relevant provisions of JG/T 392; other steel entrance doors should comply with the relevant provisions of GB/T 20909 or JG/T 453.

Certification Process

The green building materials product grading certification implements the mode of initial inspection + product sampling inspection + post-certification supervision:

• Certification Application: Submit an application form (specifying the desired green building materials level), business license, product process flowchart, factory organization chart, key raw material filing list, a valid product type test report within one year, management system related document directory, and other materials. The applying enterprise must pass the audit by the certification body.
• Document Technical Review: The certification body reviews the completeness, adaptability, and effectiveness of the application documents. Review conclusions are divided into three situations: meets requirements and can proceed to on-site inspection; basically meets but requires supplementation and improvement; does not meet requirements and cannot proceed to on-site inspection.
• Initial Factory Inspection: Includes factory assurance capability inspection, product consistency inspection, and verification of compliance with green evaluation requirements. The on-site inspection focuses on the operation of the enterprise's energy management system, production energy consumption control measures, operation status of wastewater recovery systems, pollutant emission control measures, solid waste disposal, etc.
• Product Sampling Inspection: The certification body designates a laboratory with CMA qualification to complete the sampling inspection. Inspection items include TVOC emission rate, formaldehyde emission limit, durability for repeated opening and closing, airborne sound insulation performance, air permeability performance, etc. Inspection reports meeting requirements issued by laboratories with CMA qualification within the last 12 months may be accepted.
• Certification Result Evaluation and Approval: After passing the document technical review, on-site inspection, and product sampling inspection, the certification body conducts a comprehensive evaluation, approves the certification decision, and issues the certificate. The certification certificate is valid for five years.
• Post-Certification Supervision: Supervision is arranged after the enterprise obtains certification, with each supervision interval not exceeding 1 year. Supervision content includes factory assurance capability supervision inspection, product consistency supervision inspection, verification of continuous compliance with green evaluation requirements, and product supervision inspection. For non-conformities found during supervision audits, the enterprise must complete rectification within the specified period.
• Re-certification Audit: A re-certification audit is conducted before the certificate expires to renew the certification qualification, typically with a cycle of five years.

Certification Value

• Enhance Product Market Competitiveness: The green building materials product certification is a state-promoted voluntary product certification. Certified products can receive priority procurement and application in projects such as government procurement, key projects, and municipal public utility projects. The green building materials support policy for government procurement jointly issued by the Ministry of Finance, the Ministry of Housing and Urban-Rural Development, and the Ministry of Industry and Information Technology explicitly requires government procurement projects to prioritize the procurement of green building materials.
• Enjoy Policy Support and Financial Subsidies: Multiple provinces and cities provide financial rewards or fiscal support to enterprises that have passed green building materials product certification. Certified enterprises can also enjoy preferential tax policies such as corporate income tax reductions. The government procurement policy supporting green building materials has been implemented in 101 cities (municipal districts) including Chaoyang District, Beijing.
• Enhance Competitiveness in Bidding: The green building materials certification certificate can serve as a bonus point in engineering tendering and procurement, helping to enhance an enterprise's differentiated bidding capability and establish its technology and quality brand. Obtaining the green building materials label is a necessary condition and a bidding bonus point for enterprises to participate in major project and government-invested project tenders, as well as to enter large client qualified supplier lists.
• Meet the Needs of Green Building Development: With the implementation of the Assessment Standard for Green Building (GB/T 50378-2019) and the promotion of green building creation initiatives, the required application proportion of green building materials in new urban buildings is continuously increasing. As an important component of the building envelope, certified steel entrance door products find easier entry into the green building market.
• Address Dual-Carbon Strategy Requirements: Under the background of carbon peak and carbon neutrality, energy and construction have become the main forces in implementing the dual-carbon goals. The green building materials product certification requires enterprises to conduct carbon footprint accounting, helping them address carbon emission control requirements and plan for low-carbon development in advance.
• Promote International Trade: Certification results can serve as a "green passport" for exports. Some standards have mutual recognition internationally, which helps reduce green trade barriers for exports.
• Establish Corporate Social Responsibility Image: Obtaining certification demonstrates an enterprise's commitment and actions in resource conservation and environmental protection, enhances customer trust, improves brand reputation, and meets consumers' demand for upgraded consumption of green building materials.

Applicable Product Scope

The green building materials certification for steel entrance doors applies to the green building materials evaluation of steel and steel-wood entrance doors for buildings, specifically including:

• Steel Entrance Doors: Doors for which the door frame, door leaf, or door leaf skeleton structure is made of steel profiles or panels, used for doors leading from independent living spaces of residential buildings to public spaces or the outdoors, including steel doors and steel-wood doors.
• Anti-theft Security Doors: Should comply with the relevant provisions of GB 17565 "General Technical Conditions for Anti-theft Safety Doors".
• Fire Doors: Should comply with the relevant provisions of GB 12955 "Fire Doors".
• Steel-Wood Doors: Should comply with the relevant provisions of JG/T 392 "Steel-Wood Interior Doors for Buildings".