About Us

Sigma DG

Sigma DG specializes in threaded fiberglass rods and connectors. We have 15 years of R&D, Field and Real World application under our belts. No one else in the world comes close to having the diversity and performance of products that Sigma enjoys. We do projects large and small and have worked with some of North America's biggest firms. Let us show you how Sigma Fiberglass can enhance your concrete projects!

Our Story

Who We Are

Sigma DG Corporation specializes in threaded fiberglass rods ranging from concrete form ties, bolts, sandwich panel connectors and building systems. Formed in 2009, Sigma partnered with Pultron Composites out of New Zealand to bring their world class fiberglass products to the North American market.
Our Products

Sigma DG Today

While the original product offering was composed of fiberglass rebar and smooth dowels for highway and bridge construction, the products Sigma now offers range from light concrete forming to heavy civil and bridge construction, underground mining, and highly energy efficient building envelop products.
Questions? Contact Us!
Sigma DG 800 series ties being used in water holding tank project

What We Offer

Our Products

What Makes Us Unique

Sigma prides itself on having a very unique product offering which can not be found from any other fiberglass manufacturer or distributor on the planet. Sigma has spent 15 years developing proper fiberglass hardware that gets the most performance out of our threaded rods at the least expensive cost to you, the end user. Our goal is to make our products easy to use, high performance, and cost effective.
Our Products

Our Mission

Our goal is to constantly innovate and iterate to bring new products to market and to use existing products in different ways to give you a competitive advantage in your industry. Give us a call and see how Sigma can enhance your concrete projects.
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Sigma Warehouse
2801 NW Lower River Road
Vancouver, WA 98660
Office: 360-859-3170
Fax: 360-891-0398
Copyright Sigma DG 2022
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