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Haartz Corporation

Sonnenland vs. Twillfast vs. Stayfast: Which Convertible Top Fabric Works Best?

September 29, 2025 By Gary Dekirmendjian

The Hog Ring - Sonnenland vs. Twillfast vs. Stayfast- Which Convertible Top Fabric Works Best

Choosing the right convertible top fabric isn’t just about color or texture — it directly impacts durability, weather resistance, sound insulation, and how well the top functions over time. … [Read more...] about Sonnenland vs. Twillfast vs. Stayfast: Which Convertible Top Fabric Works Best?

TMG and Haartz to Open North Carolina Plant, Creating 125 New Jobs

July 2, 2025 By Naseem

The Hog Ring - TMG and Haartz to Open North Carolina Plant, Creating 125 New Jobs

Two giants in the automotive interior industry — TMG Automotive and The Haartz Corporation — are teaming up to bring a brand-new manufacturing facility to North Carolina. … [Read more...] about TMG and Haartz to Open North Carolina Plant, Creating 125 New Jobs

GM Once Dreamed of Polka Dot and Houndstooth Convertible Tops

June 10, 2025 By Nadeem

The Hog Ring - GM Once Experimented with Fashion Tops

In 1961, General Motors sought to differentiate itself from the competition by offering fashionable convertible tops in a variety of patterns, including polka dots, houndstooth and even floral print. … [Read more...] about GM Once Dreamed of Polka Dot and Houndstooth Convertible Tops

Why Haartz Outperforms the Competition in Convertible Top Materials

March 20, 2025 By Gary Dekirmendjian

The Hog Ring - Why Haartz Outperforms the Competition in Convertible Top Materials

When it comes to convertible tops, not all materials are created equal. At OEM+ Auto Tops, we refuse to compromise on quality, which is why we exclusively use Haartz Twillfast RPC — a high performance topping material made by the folks who provide the premium material found on luxury vehicles like Bentley, Mercedes, BMW, Jaguar, Ford and more. … [Read more...] about Why Haartz Outperforms the Competition in Convertible Top Materials

Ultrafabrics is Almost Completely PFAS-Free

October 12, 2022 By Nadeem

The Hog Ring - Ultrafabrics is Almost Completely PFAS-Free

Ultrafabrics is the latest manufacturer of auto upholstery materials to cut PFAS from its products. … [Read more...] about Ultrafabrics is Almost Completely PFAS-Free

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Meet Mitch Woloshchuk of Mitch’s Kustoms

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10 Questions for Trimmer Shannon Walters

If you were to poll the hot rod community to … [more] about 10 Questions for Trimmer Shannon Walters

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Meet Sean Scott of Inspire Automotive

Sean Scott of Inspire Automotive has only … [more] about Meet Sean Scott of Inspire Automotive

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We auto upholsterers have seen it all - from … [more] about Top 10 Wacky Car Interiors

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How to Make a French Seam Lay Flat

Did you ever wonder how automakers make … [more] about How to Make a French Seam Lay Flat

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Dead Bosch Foam Saw? Try the Acu-Cutter

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