PO Box 581

Wauna, WA  98395

Phone: 1-253-884-4008

Fax: 1-253-884-5064

Email: sales@proglassinc.com

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Looking for an easy-to-use trench cover dimensions worksheet? Download one here and email it to us, or use our contact form on the website to upload it.

Upcoming Trade Shows & Events

2020 NWPPA - E&O Trade Show (NWPPA Engineering & Operations Conference and Trade Show)

April 06-10, 2020

Reno Event Center (Booth #123)

Reno, NV

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Featured ProGlass Products


Trench Covers

Fiberglass trench covers are non-conductive, UV resistant, lightweight, and more.

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Transformer Box Pads

Superior weather-ability, corrosion resistant and high strength ensure a quality product.

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Ground Sleeves

High strength with the highest glass reinforcement content in the industry.

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Hillside Barriers

Exclusive use of double layers of 24 oz. woven roving reinforcement cloth.

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Splice Boxes

Generally tapered for nesting, reduces storage yard requirements.

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Switchgear Box Pads

Quality raw materials provide excellent resistance to corrosive elements.

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Battery Spill Pans

Spills shouldn't happen, but when they do, be sure it stays contained with our spill pans.

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PO Box 581, Wauna, WA  98395

Phone: 1-253-884-4008

Fax: 1-253-884-5064

Email: sales@proglassinc.com


All Rights Reserved

Copyright © 1990-2019 ProGlass, Inc.

Power Glass, Inc. DBA ProGlass, Inc.

Made in USA

NOTICE: This document (and all of the information, data and designs contained herein) is the property of Power Glass, Inc. DBA ProGlass, Inc. AKA ProGlass, and is to be used only in reference to work proposed or contracted by PROGLASS. This confidential information must not be copied, duplicated, or used without the expressed permission or written consent of PROGLASS. Dimensions (inches) are measured at the intersection of projected adjacent places.