What Mid-Mountain Materials does

Mid-Mountain Materials, Inc. is a privately held, vertically integrated manufacturer of engineered thermal insulation barriers, seals, and protective components, founded in 1976 and headquartered in Seattle, Washington with a manufacturing facility in Arlington, Washington. The company produces high-temperature-resistant coated fabrics, silica textiles, refractory cements and moldables, ceramic fiber products, and fabricated components for industrial customers operating in extreme thermal, chemical, and mechanical environments. Its core technology platform spans six sub-branded product families — ARMATEX coated fabrics, SILTEX silica textiles, HYTEX heat-resistant textiles, THERMOPAK fabricated seals and covers, THERMOSEAL refractory cements and coatings, and CERMEX insulation materials — covering operating temperatures from 400°F to 5000°F. Notable proprietary technologies include the patented THERMOPAK External Cathode Bar Seals for aluminum smelting, the Q-Mix refractory coating, the ARMATEX SBN 13-602 ROBOTEX fabric for industrial robot protection, and an ARMATEX PUF polyurethane-coated alternative to PTFE.

The company's revenue model is a B2B direct-sales motion targeting engineering and procurement decision-makers in aerospace (NASA, JPL, Air Born Systems), primary aluminum smelting (Rusal, Rusal Kras), industrial manufacturing, industrial robotics (FANUC, ABB, Kawasaki, KUKA), and power generation. Pricing is quote-based for both standard catalog products and custom fabricated solutions; the company emphasizes competitive pricing and shorter lead times enabled by vertical integration from raw textile production through coating and fabrication. The company is ISO 9001:2015 certified and its products are qualified under ASTM, FAR, BMS, and MIL specifications, serving as a regulatory qualification barrier particularly in aerospace and defense. Mid-Mountain operates with 11–50 employees, has no disclosed external funding, and distributes globally through direct sales without reseller channels.

Name

Mid-Mountain Materials

Legal name

Mid-Mountain Materials Inc.

Website

https://mid-mountain.com

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

11–50 employees

Short description

Mid-Mountain Materials is a privately held, vertically integrated US manufacturer of engineered thermal insulation barriers, coated fabrics, and custom-fabricated seals serving aerospace, aluminum smelting, industrial manufacturing, and robotics customers globally. Founded in 1976 and ISO 9001:2015 certified, the company produces six proprietary product families covering temperatures from 400°F to 5000°F.

Ownership category

akta.pro rank

Product category

Industrial Thermal Insulation

NAICS

Fabric Coating Mills (313320), Textile and Fabric Finishing and Fabric Coating Mills (3133), Clay Building Material and Refractories Manufacturing (327120)

SIC

Paints, Varnishes, Lacquers, Enamels & Allied Prods (2851), Adhesives & Sealants (2891), Coating, Engraving & Allied Services (3470), Plastic Material, Synth Resin/Rubber, Cellulos (No Glass) (2820)

akta.pro primary industry

Coated & Laminated Industrial Fabrics (Tarpaulins/Awnings/Inflatables/Architectural Membranes) (IMAOADAI)

akta.pro secondary industries

Aerospace Thermal Management, Insulation & Fire Protection Materials (IMABANAE), Thermal & Acoustic Insulation Textiles (Insulation Felts/Soundproofing) (IMAOADAL)

Keywords

• Thermal insulation products
• High temperature fabrics
• Refractory sealing materials
• Coated industrial textiles
• Fabricated thermal barriers

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Thermal Insulation Products - Standard and Custom: Mid-Mountain generates revenue through the manufacture and sale of engineered thermal insulation barriers, seals, and environmental protection products. The company offers standard product lines (ARMATEX coated fabrics, THERMOPAK fabricated parts, HYTEX textiles, SILTEX silica, THERMOSEAL cements/coatings, CERMEX insulation materials) as well as custom fabricated solutions for specific industrial applications. Revenue is generated through product sales with competitive pricing enabled by vertical integration.
2. Custom Fabrication Services: Custom design and fabrication of thermal insulation barriers, seals, robot covers, and specialized components for unique industrial applications. The company engineers products to customer specifications for aerospace, aluminum, automotive, and other industrial sectors.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

Mid-Mountain Materials manufactures engineered thermal insulation barriers and seals for high-temperature industrial applications, including coated fabrics (silicone, polyurethane, refractory, ceramic, vermiculite, intumescent, neoprene), silica and heat-resistant textiles (Kevlar, Nomex, fiberglass, ceramic, carbon), refractory cements, moldables and coatings, and custom-fabricated components such as robot covers, cathode bar seals, gaskets, blankets, and tray pads. The company operates as a vertically integrated producer serving aerospace, aluminum smelting, welding, robotics, power generation, and other industrial sectors globally.

Product overview

Mid-Mountain Materials is an ISO 9001:2015 certified manufacturer offering a vertically integrated portfolio of engineered thermal insulation barriers and seals. The product portfolio consists of six core families: ARMATEX® coated fabrics and textiles (silicone, polyurethane, intumescent, refractory, vermiculite, ceramic, and neoprene coatings); SILTEX® silica fabrics and textiles; HYTEX® heat resistant textiles (fabrics, ropes, tapes, sleeving in Kevlar, Nomex, fiberglass, ceramic, and carbon); THERMOPAK® fabricated components (robot covers, seals, curtains, blankets, gaskets); THERMOSEAL® refractory products (cements, moldables, coatings); and CERMEX® thermal insulation materials (blankets, mats, papers). The company emphasizes vertical integration, manufacturing the raw textiles and coatings used in fabricated products, enabling competitive pricing, shorter lead times, and higher quality control.

Differentiator

Problem solved

Functional benefit

Brands

• ARMATEX: Brand for coated fabrics and textiles including silicone coated fabrics, polyurethane coated fabrics, and specialty coated fabrics for high-temperature applications
• SILTEX
• HYTEX
• THERMOSEAL
• THERMOPAK
• CERMEX

Products and services

• ARMATEX Coated Fabrics and Textiles

Quantifiable outcome

• Typical robot cover turnaround time of about two weeks
• +1 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered core and notable.

• Aluminum Smelter CustomerscoreStrategic or Co-development PartnerMid-Mountain developed their patented External Cathode Bar Seals in partnership with aluminum reduction cell customers, creating a solution specifically designed for the demanding conditions of primary aluminum smelters.
• Robot ManufacturerscoreStrategic or Co-development PartnerMid-Mountain designs custom robot protective covers for virtually any robot manufacturer or configuration, working with major brands including FANUC, ABB, Kawasaki, and KUKA.
• Jet Propulsion Laboratory (JPL)notableStrategic or Co-development PartnerPartnership with JPL to develop high-performance coated fabric for Supersonic Inflatable Aerodynamic Decelerator (SIAD-E) for Mars 2020 Rover mission.
• Air Born SystemsnotableStrategic or Co-development PartnerCollaborated on development of specialized aerospace fabric coatings for advanced applications.
• NASAnotableStrategic or Co-development PartnerDeveloped unique coating technique applying silicone to heat-sensitive, dimensionally unstable braided fabric for space exploration applications.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Newtex Industries: Newtex is a direct peer — a privately held manufacturer of high-temperature textiles, coated fabrics, and thermal insulation barriers serving aerospace, industrial, and fire-protection end markets with comparable product architectures.
• BGF Industries: BGF Industries is a direct peer — a manufacturer of fiberglass, aramid, and specialty woven fabrics used in aerospace, industrial, and thermal-protection applications, comparable to Mid-Mountain's HYTEX textile line.
• ADL Insulflex: ADL Insulflex is a direct peer — a smaller specialty manufacturer of high-temperature textiles, welding blankets, and removable insulation jackets used in industrial, petrochemical, and marine applications.

Broad incumbents

• Unifrax (now Alkegen): Alkegen/Unifrax is a broad incumbent producing high-temperature fiber-based insulation, refractory materials, and engineered coatings across industrial, aerospace, and emissions-control markets — overlapping Mid-Mountain's CERMEX, THERMOSEAL, and ARMATEX lines at greater scale.
• Morgan Advanced Materials: Morgan Advanced Materials is a broad incumbent in thermal ceramics, refractory products, and engineered seals serving aerospace, industrial, and energy markets — competing with Mid-Mountain's THERMOSEAL refractory cements and high-temperature seal lines.
• 3M Thermal Insulation (formerly known for high-temperature solutions): 3M is a broad incumbent with deep specialty materials and thermal/acoustic insulation portfolios serving aerospace, industrial manufacturing, and safety markets — a much larger competitor with overlapping capabilities in coated fabrics and thermal barriers.
• DuPont (Nomex/Kevlar): DuPont produces Nomex and Kevlar aramid fibers used in Mid-Mountain's HYTEX heat-resistant textile line. DuPont is both a potential upstream supplier and a broad incumbent competitor in high-temperature protective textiles for aerospace and industrial markets.
• Saint-Gobain (Technical Fabrics): Saint-Gobain's Technical Fabrics business produces high-performance coated and treated textiles for industrial, aerospace, and construction markets — directly overlapping Mid-Mountain's ARMATEX and SILTEX coated/silica fabric families.
• Lydall (now part of Unifrax/Alkegen ecosystem of thermal/specialty insulation assets): Lydall historically produced thermal/acoustic insulation and high-performance nonwoven fabrics for industrial and aerospace markets — a broad incumbent overlapping Mid-Mountain's CERMEX insulation and THERMOPAK fabricated components.

Emerging players

• Pyromaitec: Pyromaitec is a smaller, emerging specialist in thermal protection products, fire-resistant fabrics, and high-temperature industrial textiles — partial overlap with Mid-Mountain's THERMOPAK fabricated and ARMATEX coated fabric lines for niche industrial use cases.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/mid-mountain-materials-inc.

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mid-Mountain Materials