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GB/T 39979-2021General technical specification of indoor window decoration for building (English PDF)

建筑室内窗饰产品通用技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 21, 2021

Implementation date

December 1, 2021

Scope

GB/T 39979-2021 is the English-translated version of 建筑室内窗饰产品通用技术要求.

GB/T 39979-2021 is the general specification for window decoration products installed indoors in civil buildings.

It gives their classification, codes and marks, and the materials and components they are made of: manual operating devices protected against strangulation hazards, aluminium alloy and steel parts, fabrics and non-woven fabrics, bamboo and timber with a formaldehyde emission not greater than 1.5 mg/L by the 40 L dryer method, plastics and electric drives.

It then sets the performance requirements, including the grading of the light transmission reduction coefficient and thermal and visual comfort under JG/T 277.

The test methods cover appearance, dimensional deviations and operating performance, and refer to the JG/T test standards for operating force, maloperation, mechanical endurance and shading performance, followed by the inspection rules. It was issued on 21 May 2021 and has applied since 1 December 2021.

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Document preview — GB/T 39979-2021

National Standard of the People's Republic of China

ICS: 91.100.99
Classification: Q 18

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword3
1 Scope4
2 Normative References4
3 Terms and Definitions6
4 Classification, Codes and Marks13
5 Materials and Components14
6 Requirements16
7 Test Methods20
8 Inspection Rules21

1 Scope

This Standard specifies the classification, codes and marks, materials and components, requirements, test methods and inspection rules of indoor window decoration for building.

This Standard is applicable to indoor window decoration for civil building.

2 Normative References

The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document.

GB/T 2518 Continuously Hot-dip Zinc-coated Steel Sheet and Strip

GB/T 3280 Cold Rolled Stainless Steel Plate, Sheet and Strip

GB/T 4237 Hot Rolled Stainless Steel Plate, Sheet and Strip

GB 4706.101 Household and Similar Electrical Appliances - Safety - Particular Requirements for Drives for Rolling Shutters, Awnings, Blinds and Similar Equipment

GB/T 5237.1 Wrought Aluminum Alloy Extruded Profiles for Architecture - Part 1: Mill Finish Profiles

GB/T 5237.2 Wrought Aluminum Alloy Extruded Profiles for Architecture - Part 2: Anodized Profiles

GB/T 5237.3 Wrought Aluminum Alloy Extruded Profiles for Architecture - Part 3: Electrophoretic Coating Profiles

GB/T 5237.4 Wrought Aluminum Alloy Extruded Profiles for Architecture - Part 4: Powder Coating Profiles

GB/T 5237.5 Wrought Aluminum Alloy Extruded Profiles for Architecture - Part 5: Paint Coating Profiles

GB/T 8427-2019 Textiles - Tests for Color Fastness - Color Fastness to Artificial Light: Xenon Arc

GB/T 11976 Graduation and Test Method of Daylighting Properties for External Windows

GB/T 12754 Pre-painted Steel Sheet and Strip

GB/T 15675 Continuously Electrolytically Zinc / Zinc-nickel Alloy Coated Steel Sheet and Strip

GB 18401 National General Safety Technical Code for Textile Products

GB/T 18830 Textiles - Evaluation for Solar Ultraviolet Radiation Protective Properties

GB/T 18883 Indoor Air Quality Standard

JG/T 241 Blinds and Shutters - Mechanical Endurance - Test Methods

JG/T 242 Blinds and Shutters - Measurement of Operating Force - Test Methods

JG/T 275 Test Methods for Misuse of Building Shading Product

JG/T 276 Technical Requirements for Electrical Equipment of Building Shading Product

JG/T 277 Performance Characteristics and Classification on Thermal and Visual Comfort for Building Shading Product

JG/T 278 Motor for Building Shading Product

JG/T 281 Test Method for Building Shading Product Energy Resistant Coefficient

JG/T 356 Test Methods of Building Shading Product on Indoor Environment Thermal and Visual Comfort

JG/T 399 Terminology of Solar Shading Product for Building

JG/T 424 General Requirements for Solar Shading Fabric of Building

LY/T 1636 Use Category and Specification for Preservative-treated Wood

LY/T 1815 Non-structural Glued Laminated Bamboo

LY/T 1855 Slats of Wooden Blind and Shutter

LY/T 2885 Bamboo Blinds

YS/T 431 Aluminum and Aluminum Alloys - Coil Coated Sheet and Strip

YS/T 621 Aluminum and Aluminum Alloys Sheet for Persian Blinds

5 Materials and Components

5.1.1 The manual operative device for the window decoration product shall have protection from strangulation hazards.

5.1.2 The indoor environmental pollution control of materials used for the window decoration product shall comply with the stipulations of GB/T 18883.

5.1.3 The combustion performance of materials used for the window decoration product shall comply with the requirements of the order contract.

5.2 Metal

5.2.1 The aluminum alloy profiles for architecture shall comply with the stipulations of GB/T 5237.1 ~ GB/T 5237.5. The aluminum alloy strips shall comply with the stipulations of YS/T 621 and YS/T 431.

5.2.2 The pre-painted steel sheets and strips shall comply with the stipulations of GB/T 12754. The continuously hot-dip zinc-coated steel sheets and strips shall comply with the stipulations of GB/T 2518. The continuously electrolytically zinc / zinc-nickel alloy coated steel sheets and strips shall comply with the stipulations of GB/T 15675. The stainless steel shall comply with the stipulations of GB/T 3280 or GB/T 4237.

5.3 Fabric and Non-woven Fabric

5.3.1 The fabrics shall comply with the stipulations of JG/T 424.

5.3.2 The level of color fastness to light of non-woven fabrics shall not be lower than Level-4 specified in GB/T 8427-2019.

5.3.3 When the non-woven fabrics have anti-ultraviolet function, the anti-ultraviolet performance shall comply with the stipulations of GB/T 18830.

5.3.4 The limit of hazardous substances of non-woven fabrics shall comply with the stipulations of GB 18401.

5.4 Bamboo and Timber

5.4.1 The formaldehyde emission of timber [dryer method (40 L)] shall not be greater than 1.5 mg/L.

5.4.2 The anti-corrosion performance of timber shall comply with the stipulations of LY/T 1636.

5.4.3 The bamboo material shall comply with the stipulations of LY/T 1815.

5.5 Plastic

The plastic shall comply with the requirements of corresponding standards.

5.6 Electric Drive

6 Requirements

6.9 Thermal and Visual Comfort Performance

The thermal and visual comfort performance of the window decorative products with the shading function, and the grading shall comply with the stipulations of JG/T 277.

7 Test Methods

7.1 Appearance Quality

With the natural illumination intensity and a sight distance of no more than 3 m, conduct the visual inspection.

7.2 Dimensional Deviations

Use a steel tape with a minimum division value of 1 mm for the measurement. Each product shall be measured for at least three locations. The limit deviation between all measured values and the nominal value shall be taken as the test result.

7.3 Operating Performance

During the second manual (electric) cycle, conduct visual inspection on the conditions of continuity, flat width, off-tracking and synchronization.

For limit detection, use a steel tape with a minimum division value of 1 mm to measure the distance deviated from the set position during the extension and retraction process.

7.4 Operating Force

In accordance with the stipulations of JG/T 242, conduct the determination.

7.5 Maloperation

In accordance with the stipulations of JG/T 275, conduct the determination.

7.6 Mechanical Endurance

In accordance with the stipulations of JG/T 241, conduct the determination.

7.7 Shading Performance

In accordance with the stipulations of JG/T 281, conduct the determination. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

Referenced standards

Normative references

YS/T 621

Similar standards

GB/T 25993-2023|GB/T 17748-2016|GB/T 22412-2016|GB/T 26001-2010|GB/T 12957-2026|GB/T 1345-2026

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