Manufacturing
Made in Washington: Seattle’s Mid-Mountain Materials Inc. Offers Sealing Power
The company employs 43 and has annual sales of $10 million.
By Seattle Business Magazine February 5, 2019
This article originally appeared in the February 2019 issue of Seattle magazine.
This article appears in print in the February 2019 issue, and is presented by Impact Washington. Click here for a free subscription.
Family-owned Mid-Mountain Materials Inc. has been making precision-coated fabrics and textiles for more than three decades. Now based in Seattles Georgetown neighborhood with a manufacturing plant in Arlington, Mid-Mountain makes heat-resistant products that offer environmental protection, emission control and energy conservation. It employs 43 and has annual sales of $10 million. In the top photo, some of the 3,300 spools of yarn on a creel, which was moved from China so Mid-Mountain could manufacture in the United States.
A creel feeds fiberglass yarn into a loom to weave a heavyweight fabric.
Mid-Mountains woven-fiberglass Tadpole Tape is used mainly as a sealing application in gas fireplaces.
A fiberglass fabric coated with silicone rubber.