# FUNAS

> Guangdong FUNAS Insulation Materials Co., Ltd. is a high-tech enterprise integrating R&D, manufacturing and sales of thermal and acoustic insulation materials. Our product range includes rubber foam, glass wool, rock wool, ceramic fiber, XPS boards, acoustic foam and related insulation accessories, with customizable specifications available for global commercial and industrial projects.

## Products

- [Egg Crate Rubber Acoustic Foam Roll](https://www.funasinsulations.com/egg-crate-rubber-acoustic-foam-roll.html): FUNAS egg crate rubber acoustic foam roll features a convoluted surface for sound absorption, echo reduction and indoor acoustic treatment projects. Available for bulk supply and custom size inquiries.
- [Thermal Insulation Adhesive](https://www.funasinsulations.com/thermal-insulation-adhesive.html): FUNAS thermal insulation adhesive is supplied in 8L buckets for rubber foam, rock wool, glass wool, ceramic fiber and phenolic board insulation projects.
- [XPS Extruded Polystyrene Insulation Board](https://www.funasinsulations.com/xps-extruded-insulation-board.html): FUNAS XPS insulation boards are available in 30–100 mm thicknesses with 300–400 kPa compressive strength options, custom sizes and third-party test data.
- [XPS  Board](https://www.funasinsulations.com/xps-board.html): FUNAS supplies XPS extruded insulation boards for building thermal insulation projects. Thickness options from 30mm to 100mm, with customizable density, length and width for bulk orders.
- [Rubber foam](https://www.funasinsulations.com/rubber-foam.html): FUNAS is a manufacturer of NBR/PVC rubber foam insulation sheets, rolls and pipes for HVAC, refrigeration and mechanical systems. Custom sizes available.
- [Glass wool](https://www.funasinsulations.com/glass-wool.html): Browse FUNAS glass wool insulation rolls and boards for HVAC, building and industrial projects. Multiple density and thickness options are available for bulk supply.
- [Rock wool](https://www.funasinsulations.com/rock-wool.html): Browse FUNAS rock wool insulation boards and rolls for thermal, acoustic and fire-resistant applications in building, HVAC and industrial projects.
- [Adhesive](https://www.funasinsulations.com/adhesive.html): Explore FUNAS insulation adhesives, fireproof glue and adhesive tapes for HVAC, duct and thermal insulation installation projects. Contact us for bulk supply.
- [Acoustic Foam](https://www.funasinsulations.com/acoustic-foam.html): Explore FUNAS acoustic foam products, including PU pyramid foam, triangle groove foam and rubber acoustic foam rolls for sound absorption, echo reduction and bulk supply.
- [NBR/PVC Rubber Foam Sheet & Roll Insulation](https://www.funasinsulations.com/custom-nbr-pvc-rubber-foam-sheet.html): FUNAS NBR/PVC rubber foam sheet for HVAC ducts, large pipes and equipment. B1/B2 grades, custom sizes, adhesive and aluminum-faced options.
- [PU Pyramid Acoustic Foam Panel for Sound Absorption](https://www.funasinsulations.com/pu-pyramid-acoustic-foam-panel.html): FUNAS PU pyramid acoustic foam panels help reduce echo and reverberation in studios, offices, KTV rooms, cinemas and home theaters. Custom sizes and adhesive backing are available.
- [Rock Wool Insulation Board for Thermal and Acoustic Insulation](https://www.funasinsulations.com/rock-wool-insulation-board.html): FUNAS rock wool insulation boards provide thermal, acoustic and fire-resistant insulation for walls, roofs, partitions, HVAC duct areas and industrial projects.
- [Glass Wool Insulation Boards for Building and HVAC Applications](https://www.funasinsulations.com/glass-wool-insulation-boards.html): FUNAS glass wool insulation boards are available in plain or foil-faced options for building envelopes, HVAC ducts and industrial acoustic insulation projects
- [Glass Wool Insulation Rolls for Thermal and Acoustic Insulation](https://www.funasinsulations.com/glass-wool-insulation-rolls.html): FUNAS glass wool insulation rolls are available for metal roofs, steel buildings, HVAC ducts and industrial insulation projects, with custom density and size options.
- [Rock Wool Blanket Roll for Thermal and Acoustic Insulation](https://www.funasinsulations.com/rock-wool-blanket-roll.html): FUNAS rock wool blanket rolls provide thermal, acoustic and fire-resistant insulation for roofs, walls and steel structures. Custom density and roll sizes.
- [NBR/PVC Rubber Foam Pipe Insulation for HVAC Systems](https://www.funasinsulations.com/nbr-rubber-foam-pipe-insulation-hvac.html): FUNAS NBR/PVC rubber foam pipe insulation for HVAC, chilled-water and refrigeration piping. B1/B2, pre-slit, adhesive and foil-faced options.

## Articles

- [Which Rock Wool Blanket Specification Fits Hot Pipes, Tanks and Industrial Equipment?](https://www.funasinsulations.com/blog/which-rock-wool-blanket-specification-fits-hot-pipes-tanks-and-industrial-equipment.html): Learn how to specify rock wool blanket for hot pipes, tanks and industrial equipment by temperature, thickness, density, dimensions and project documents.
- [XPS vs EPS vs PIR Insulation: When Should a Project Choose XPS?](https://www.funasinsulations.com/blog/xps-vs-eps-vs-pir-insulation-when-should-a-project-choose-xps.html): Compare XPS, EPS and PIR by moisture exposure, compressive load, installation position and thickness limits before specifying project insulation.
- [Plain vs Self-Adhesive Rubber Foam Sheet for HVAC Ducts: What Buyers Should Specify](https://www.funasinsulations.com/blog/plain-vs-self-adhesive-rubber-foam-sheet-for-hvac-ducts-what-buyers-should-specify.html): Compare plain vs self-adhesive rubber foam sheet for HVAC ducts by substrate, surface geometry, workflow, facing requirements, and RFQ details.
- [How Surface Emissivity Affects Condensation Calculations for Foil-Faced Elastomeric Insulation](https://www.funasinsulations.com/blog/how-surface-emissivity-affects-condensation-calculations-for-foil-faced-elastomeric-insulation.html): Understand how finished-surface emissivity affects condensation calculations for foil-faced elastomeric insulation on chilled-water and refrigeration systems.
- [Glass Wool Duct Insulation Specification Guide for HVAC Projects](https://www.funasinsulations.com/guides/glass-wool-duct-insulation-specification-guide-for-hvac-projects.html): Learn how to specify glass wool duct insulation by duct service, product form, thickness, density, facing, installation position, and project documents.
- [Why Elastomeric Insulation Seams Open After Installation: A Field Diagnostic Guide](https://www.funasinsulations.com/blog/why-elastomeric-insulation-seams-open-after-installation-a-field-diagnostic-guide.html): Diagnose why elastomeric insulation seams open after installation, from wrong sizing and stretching to bonding issues and verified dimensional change.
- [How to Insulate Chilled Water Valves, Flanges, and Strainers with Elastomeric Sheet](https://www.funasinsulations.com/blog/how-to-insulate-chilled-water-valves-flanges-and-strainers-with-elastomeric-sheet.html): Learn how to insulate chilled water valves, flanges, and strainers with elastomeric sheet while maintaining insulation continuity and service access.
- [How to Insulate Large-Diameter Chilled Water Pipes with Elastomeric Sheet](https://www.funasinsulations.com/guides/how-to-insulate-large-diameter-chilled-water-pipes-with-elastomeric-sheet.html): Learn how to measure, cut, install and inspect elastomeric sheet insulation on large chilled-water pipes, including multi-layer work and RFQ planning.
- [How to Read an Elastomeric Insulation Data Sheet Before Choosing a Supplier](https://www.funasinsulations.com/guides/how-to-read-an-elastomeric-insulation-data-sheet-before-choosing-a-supplier.html): Learn how to evaluate an elastomeric insulation technical data sheet, compare suppliers, and check thermal, moisture, fire, and specification data before purchasing.
- [NBR/PVC vs EPDM Elastomeric Insulation: How to Choose the Right Material for HVAC Projects](https://www.funasinsulations.com/guides/nbr-pvc-vs-epdm-elastomeric-insulation-how-to-choose-the-right-material-for-hvac-projects.html): Compare NBR/PVC vs EPDM elastomeric insulation for HVAC projects. Learn how operating conditions, moisture exposure, and specifications affect material selection.
- [When Does Elastomeric Insulation Need Aluminum Foil Facing?](https://www.funasinsulations.com/blog/when-does-elastomeric-insulation-need-aluminum-foil-facing.html): Learn when elastomeric insulation needs aluminum foil facing, how embossed and reinforced facings differ, and what HVAC buyers should specify.
- [How Should Chilled Water Pipe Supports Be Insulated to Prevent Condensation?](https://www.funasinsulations.com/blog/how-should-chilled-water-pipe-supports-be-insulated-to-prevent-condensation.html): Learn how to insulate chilled water pipe supports, prevent thermal bridges, seal vapor-control joints and inspect hanger details before commissioning.
- [Why Is Chilled Water Pipe Insulation Still Sweating After Replacement?](https://www.funasinsulations.com/blog/why-is-chilled-water-pipe-insulation-still-sweating-after-replacement.html): Chilled water pipe insulation still sweating after replacement? Audit hidden moisture, repair boundaries, transition joints, start-up, and maintenance damage.
- [How to Choose Insulation Thickness for Hot and Humid Conditions](https://www.funasinsulations.com/blog/how-to-choose-insulation-thickness-for-hot-and-humid-conditions.html): Choose insulation thickness for chilled water pipes, refrigerant lines and ducts in hot, humid conditions using dew point, pipe size and thermal data.
- [7 Rubber Foam Insulation Installation Mistakes That Cause Condensation](https://www.funasinsulations.com/blog/7-rubber-foam-insulation-installation-mistakes-that-cause-condensation.html): Learn 7 rubber foam insulation installation mistakes that cause condensation at seams, joints, fittings and supports, plus inspection and repair steps.
- [Why Is Chilled Water Pipe Insulation Sweating? Causes, Failure Points, and Solutions](https://www.funasinsulations.com/blog/why-is-chilled-water-pipe-insulation-sweating-causes-failure-points-and-solutions.html): Find out why chilled water pipe insulation sweats, how to identify failed seams, supports and fittings, and what to check before repairing condensation.
- [News & Events](https://www.funasinsulations.com/news-events.html): Explore FUNAS company news, manufacturing updates, project developments and participation in insulation, HVAC and construction industry events.
- [XPS Insulation Board for Construction Projects: Applications and Selection Guide](https://www.funasinsulations.com/blog/xps-insulation-board-guide.html): Compare XPS insulation board applications, thickness, size, compressive strength, moisture exposure and document requirements before bulk ordering.
- [Insulation Material Procurement Checklist for Contractors and Distributors](https://www.funasinsulations.com/blog/insulation-material-procurement-checklist.html): A practical insulation material procurement checklist for contractors and distributors, covering product selection, specifications, documents, packaging, accessories, and RFQ tips.
- [Glass Wool Roll vs Glass Wool Board: Which Is Better for HVAC and Building Insulation?](https://www.funasinsulations.com/blog/glass-wool-roll-vs-board.html): Compare glass wool roll vs glass wool board by application, density, thickness, facing, installation and packaging for HVAC and building insulation projects.
- [B1 rubber foam insulation, B2 rubber foam insulation, rubber foam insulation fire rating](https://www.funasinsulations.com/blog/b1-vs-b2-rubber-foam-insulation.html): Compare B1 and B2 rubber foam insulation under GB 8624. Learn the fire classification differences, HVAC uses, test reports and buying checks.
- [Rubber Foam Sheet vs Pipe Insulation: Contractor Guide](https://www.funasinsulations.com/blog/rubber-foam-sheet-vs-pipe-insulation.html): Compare rubber foam sheet and pipe insulation for HVAC ducts, chilled water pipes and mechanical projects. Learn which option fits each application.
- [How to Choose Rubber Foam Insulation for HVAC Ducts and Pipes](https://www.funasinsulations.com/blog/choose-rubber-foam-insulation-hvac.html): Learn how to choose rubber foam insulation for HVAC ducts and pipes, including sheet vs pipe options, thickness, condensation control and facing choices.
- [FUNAS Celebrates Dragon Boat Festival with Employee Holiday Gifts](https://www.funasinsulations.com/company-news/funas-celebrates-dragon-boat-festival.html): FUNAS celebrates the Dragon Boat Festival with employee holiday gifts, sharing festive greetings with team members, customers, and global partners.
- [Does sound insulation foam Actually Work in 2026? Ultimate guide About Blocking vs. Absorbing Noise](https://www.funasinsulations.com/blog/sound-insulation-foam-blocking-vs-absorbing-noise.html): Learn what sound insulation foam can and cannot do in 2026. This guide explains sound absorption vs sound blocking, foam types and better materials for noise control.
- [Fiberglass vs Rock Wool for Soundproofing: How to Compare Acoustic Performance](https://www.funasinsulations.com/blog/fiberglass-vs-rockwool-soundproofing-insulation.html): Compare fiberglass vs rock wool for soundproofing, including STC, NRC, density, thickness, installation, fire requirements and project selection.
- [Sound Insulation Foam vs. Acoustic Panels: Which One Actually Stops Noise? (2026 Guide)](https://www.funasinsulations.com/blog/sound-insulation-foam-vs-acoustic-panels.html): Compare sound insulation foam vs acoustic panels in 2026. Learn why foam reduces echo, panels improve absorption, and true noise blocking needs mass and decoupling.
- [Polyurethane Foam 2026: Guide to HFO Compliance & Performance](https://www.funasinsulations.com/blog/polyurethane-foam-2026-guide-to-hfo-compliance-performance.html): Learn how HFO-compliant polyurethane foam sheets and boards support insulation, cushioning and sealing in 2026, including density, R-value, moisture and safety factors.
- [Rock Wool vs Fiberglass Insulation: Which Is Better for Building and HVAC Projects?](https://www.funasinsulations.com/blog/rock-wool-vs-fiberglass-2026-guide.html): Compare rock wool and fiberglass insulation for building, HVAC and industrial projects. Learn the key differences in fire resistance, thermal performance, acoustic control, moisture handling, installation form and bulk procurement.
- [Glass Wool Insulation for Energy-Saving Building and HVAC Projects](https://www.funasinsulations.com/blog/glass-wool-insulation-energy-savings-guide.html): Learn how glass wool insulation reduces heat transfer in HVAC ducts, roofs and walls, and how thickness, density, facing and installation affect performance.