Thermal Insulation Materials Manufacturer for HVAC, Construction and Industrial Projects

FUNAS manufactures rubber foam, glass wool, rock wool, XPS insulation boards, acoustic foam and insulation accessories for distributors, contractors and engineering projects. Request product specifications, documentation or a bulk quotation.
Established in 2011 - FUNAS
Established in 2011
Insulation material manufacturing and international B2B supply.
Multiple Insulation Materials - FUNAS
Multiple Insulation Materials
Rubber foam, glass wool, rock wool, XPS and related products.
Custom Specifications - FUNAS
Custom Specifications
Size, thickness, density, facing and packaging options subject to confirmation.
Documentation Support - FUNAS
Documentation Support
Product specifications, certification documents and test reports available upon request.

Explore Our Insulation Materials

Compare insulation materials by product form, application and project requirements. Contact FUNAS to confirm available specifications, customization options and bulk supply details.

rubber foam - FUNAS

Custom NBR/PVC Rubber Foam Sheet for HVAC Duct Insulation

FUNAS NBR/PVC Rubber Foam Sheet is a flexible closed-cell elastomeric insulation material designed for HVAC ducts, cooling pipelines, large pipe surfaces and industrial equipment insulation. Produced through FUNAS factory production lines, the sheet helps reduce heat transfer, support condensation control and improve installation efficiency for commercial and industrial projects. Sizes, thicknesses and roll dimensions can be customized for different project requirements, with adhesive backing or aluminum foil facing options available upon request. It is suitable for contractors, distributors and B2B buyers looking for factory-direct rubber foam insulation sheet supply.

Custom NBR/PVC Rubber Foam Sheet for HVAC Duct Insulation
rubber pipe insulation - FUNAS

NBR Rubber Foam Pipe Insulation for HVAC Systems

FUNAS NBR Rubber Foam Pipe Insulation is a flexible closed-cell insulation tube designed for HVAC, air conditioning, chilled water and industrial piping systems. The rubber foam structure helps reduce heat loss, control condensation and support stable thermal performance in commercial and industrial projects. Available in multiple inner diameter and thickness options, this black rubber foam pipe can be supplied for wholesale orders, project procurement and customized insulation requirements.

NBR Rubber Foam Pipe Insulation for HVAC Systems
XPS Extruded Polystyrene Board - FUNAS

Extruded Polystyrene (XPS) Insulation Board

FUNAS XPS Insulation Board is a rigid extruded polystyrene foam board designed for building thermal insulation applications. It is available in thickness options from 30mm to 100mm, with a standard board size of 0.6m width and 1.8m length. Density, length and width can be customized according to project requirements, making it suitable for contractors, distributors and bulk insulation material buyers. Contact FUNAS for XPS board specifications, customization options and wholesale quotation support.

Extruded Polystyrene (XPS) Insulation Board
Black rubber acoustic foam roll for acoustic treatment - FUNAS

Egg Crate Rubber Acoustic Foam Roll

FUNAS Egg Crate Rubber Acoustic Foam Roll is a sound absorbing foam material with a raised convoluted surface, also known as egg crate acoustic foam or egg box acoustic foam. The profile design helps increase the surface area for acoustic treatment, making it suitable for echo reduction and indoor noise control in studios, KTV rooms, cinemas, offices, home theaters and commercial interior projects.

Egg Crate Rubber Acoustic Foam Roll
Close-up of glass wool insulation roll showing yellow fiberglass texture - FUNAS

Glass Wool Insulation Rolls for Thermal and Acoustic Insulation

FUNAS Glass Wool Insulation Rolls are flexible fiberglass blanket rolls designed for thermal and acoustic insulation in steel buildings, metal roofs, warehouses, HVAC ducts and industrial piping projects. Made from glass wool bonded into a lightweight roll form, they are easy to wrap over large surfaces and can be supplied for different project installation needs. Density, length and width can be customized according to project requirements, helping distributors and contractors plan bulk procurement more efficiently. Plain or foil-faced options, temperature range, compression packaging and sample policy should be confirmed before quotation.

Glass Wool Insulation Rolls for Thermal and Acoustic Insulation
glass wool Boards suppliers - FUNAS

Glass Wool Insulation Boards for Building and HVAC Applications

FUNAS Glass Wool Insulation Boards are lightweight fiberglass panels designed for thermal and acoustic insulation in building envelopes, HVAC duct systems, cold storage facilities and industrial noise control projects. Made from glass wool in a stable board form, they provide easier handling for flat surfaces, duct panels and equipment insulation compared with flexible rolls. Plain boards and aluminum foil-faced options can be supplied according to project requirements, with density, thickness and size options available upon confirmation. They are suitable for contractors, distributors and project buyers looking for bulk glass wool board supply.

Glass Wool Insulation Boards for Building and HVAC Applications
Close-up of rock wool insulation board showing fiber texture and board thickness - FUNAS

Rock Wool Insulation Board for Thermal and Acoustic Insulation

FUNAS Rock Wool Insulation Board is a semi-rigid mineral wool slab designed for thermal insulation, acoustic control and fire-resistant building applications. The board form provides stable coverage for walls, roofs, partitions, equipment rooms, HVAC duct areas and industrial insulation projects where flat, easy-to-install panels are preferred. Available in multiple density options, the rock wool board helps support heat insulation and sound absorption for commercial and industrial buildings. Aluminum foil facing can be added upon request. It is suitable for contractors, distributors and project buyers looking for bulk mineral wool board supply. Specific fire rating and acoustic data should be confirmed before quotation.

Rock Wool Insulation Board for Thermal and Acoustic Insulation
Rock wool blanket roll for thermal insulation - FUNAS

Rock Wool Blanket Roll for Thermal and Acoustic Insulation

FUNAS Rock Wool Blanket Roll is a flexible mineral wool insulation roll designed for thermal insulation, acoustic control and fire-resistant building applications. The roll form makes it suitable for roofs, walls, steel structures and large-area industrial insulation projects where easy cutting, handling and coverage are required. Density, thickness, length and width can be customized according to project requirements. It is suitable for contractors, distributors and B2B buyers looking for bulk mineral wool blanket roll supply. Specific fire rating, acoustic performance and technical data should be confirmed before quotation.

Rock Wool Blanket Roll for Thermal and Acoustic Insulation

Insulation Solutions by Application

Explore insulation materials for different operating environments, installation areas and project requirements.

HVAC - FUNAS

Control Heat Transfer & Condensation

HVAC & Refrigeration Systems

Insulation materials for air-conditioning ducts, chilled water pipes, refrigerant lines and ventilation equipment. Available options include rubber foam, glass wool and related installation accessories for different system and project requirements.

Building - FUNAS

Insulate Roofs, Walls & Interiors

Building & Construction

Glass wool, rock wool and XPS insulation materials for roofs, walls, ceilings, partitions and other building envelope applications. Product selection can be based on installation area, required thickness, density, facing and project specifications.

Industrial Applications - FUNAS

Support Equipment & Piping Insulation

Industrial Equipment & Piping

Insulation materials for industrial piping, tanks, mechanical equipment and facility applications. Suitable materials and product forms should be confirmed according to operating temperature, moisture exposure, surface shape and project requirements.

150
+

150+ technical staff

40,000
+

The factory covers an area of ​​40000 square meters.

500
+

50+ R&D experts

50
+

50+ R&D experts

about FUNAs

Welcome to Guangdong FUNAS Insulation Materials Co., Ltd., one of the leading service providers of insulation materials in China

 

Guangdong FUNAS Insulation Materials Co., Ltd. is a comprehensive technology company integrating scientific research, production, sales and construction. The company mainly produces rubber and plastic insulation products, rock wool products, glass wool products and other varieties, which are widely used in petroleum and petrochemical, electric power, metallurgy, polysilicon, coal chemical industry, central air conditioning, refrigerator refrigeration and other fields.

Customized solutions

Quality Assurance

Fast Delivery

Contact us

We provide customers with high-quality products and first-class services in good faith.

We are committed to providing high-quality services to global customers and meeting their diverse solution needs.

Manufacturing and Supply Capabilities

Founded in 2011, FUNAS manufactures insulation materials for distributors, contractors and engineering buyers. Our product range includes rubber foam, glass wool, rock wool, XPS insulation boards, acoustic foam and related accessories for HVAC, construction and industrial applications.

With multiple production bases and dedicated production lines, FUNAS supports specification confirmation, quality inspection, product documentation and bulk supply for international B2B projects.

View Our Manufacturing Capabilities
5

Production Bases

8

Production Lines

500,000

Annual Production Capacity

40
+

Countries and Regions Served

SELECTED CLIENT PROJECTS

Explore selected insulation supply projects supported by FUNAS across building, HVAC and industrial applications. Each project highlights the customer or project, supplied insulation material and confirmed supply quantity.

3 - FUNAS
Successful Thermal Insulation Solutions for Chengdu Shekou Magic Cube
Supply Quantity:76500 square meters in total
Successful Thermal Insulation Solutions for Chengdu Shekou Magic Cube
SALUBRIS - FUNAS
Exploring SALUBRIS' Rubber Foam Project Case for Performance
Supply Quantity:A total of 19300 square meters
Exploring SALUBRIS' Rubber Foam Project Case for Performance
wall heat insulation material - FUNAS
BYD Company Limited: Successful Rubber and Plastic Project Case Studies
Supply Quantity:47300 square meters in total
BYD Company Limited: Successful Rubber and Plastic Project Case Studies

ENERGY EFFICIENCY AND RESPONSIBLE MANUFACTURING

Thermal insulation helps limit heat transfer in buildings, HVAC systems and industrial equipment, supporting stable temperature control and reducing avoidable operational energy loss when correctly selected and installed. By improving the thermal performance of pipes, ducts, building structures and equipment, suitable insulation can help heating, cooling and industrial systems operate more efficiently.

FUNAS also applies environmental management practices across its manufacturing operations, with attention to production efficiency, material utilization and waste handling.

FUNAS insulation materials are used to reduce heat transfer and support temperature control across HVAC, building and industrial applications. Actual energy performance depends on material selection, insulation thickness, system design, operating conditions and installation quality.

FUNAS maintains an ISO 14001 environmental management system and continues to improve production efficiency, material utilization and waste handling across its manufacturing operations. Relevant certification documents are available for customer and project review.

Insulation Guides & Insights

Explore practical guides, material comparisons and application insights for thermal and acoustic insulation projects.

Rock wool blanket insulation installed on hot industrial piping in a processing plan - FUNAS
Which Rock Wool Blanket Specification Fits Hot Pipes, Tanks and Industrial Equipment?
Aug 29, 2026

Choosing a rock wool blanket for industrial insulation requires more than selecting a density and thickness from a product list. Project buyers should match the blanket specification to operating temperature, surface geometry, thermal requirements, protective system and documentation before requesting a quotation.

29
Aug
Which Rock Wool Blanket Specification Fits Hot Pipes, Tanks and Industrial Equipment?
HVAC technician installing self-adhesive rubber foam sheet on rectangular ductwork - FUNAS
Plain vs Self-Adhesive Rubber Foam Sheet for HVAC Ducts: What Buyers Should Specify
Aug 29, 2026

Plain and self-adhesive rubber foam sheets can both be specified for HVAC duct insulation, but they suit different project workflows and surface conditions. For contractors and procurement teams, the useful comparison is not which option is “better,” but which backing configuration matches the duct surface, project specification, installation method, and quotation requirements.

29
Aug
Plain vs Self-Adhesive Rubber Foam Sheet for HVAC Ducts: What Buyers Should Specify
Workers installing XPS insulation boards on a commercial construction project - FUNAS
XPS vs EPS vs PIR Insulation: When Should a Project Choose XPS?
Aug 29, 2026

XPS, EPS and PIR can all be specified as rigid insulation boards, but the project conditions that drive selection are different. This guide helps contractors, engineers and project buyers identify when moisture exposure, compressive loading and installation position make XPS the stronger fit.

29
Aug
XPS vs EPS vs PIR Insulation: When Should a Project Choose XPS?

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If you are interested in our products / thermal insulation solutions or have any doubts, please be sure to let us know so that we can help you better.

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Hi,

If you are interested in our products / thermal insulation solutions or have any doubts, please be sure to let us know so that we can help you better.

Name must not exceed 100 characters.
Your name
Invalid email format or length exceeds 100 characters. Please re-enter.
Your business email address
Please enter a valid phone number!
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Your company name
Content must not exceed 3000 characters.
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