JR Butler

Helping You See The Light Since 1994

J.R. Butler is your glass and fenestration expert providing the highest quality unitized glass and glazing products on the market.

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Featured Lunch & Learn

Why Unitized?

This one-hour AIA | 1 LU program provides design professionals with valuable information on the differences between stick (stock length) versus unitized fenestration products. In this course we cover the different aluminum framing product types available, how unitized (modular) products are installed, and the difference between stick and unitized warranty.

Curtain Wall - Product sketch

Curtain Wall

Fully-unitzed, thermally- broken curtain wall system
Utilizes a three-way adjustable anchoring system and is adaptable to any building structural system.

Ribbon Wall - Product Sketch

Ribbon & Window Wall

Factory assembled, center plane system
Designed to improve installation time and ideal for punched and ribbon openings on low rise office, healthcare, education, and retail buildings.

Storefront - Product Sketch


Factory assembled, center plane system
Generally grade level only and not intended to withstand higher pressures associated with products that are installed high above grade level. Thus framing member depths as less than that of window wall  and curtain wall systems. 

Benefits of Unitzed Products with JR Butler

Faster Build Time

Enclose a building faster allowing other trades to start earlier

Fewer Installers

Less people on the job means more savings and less risk

Controlled Manufacturing

Manufacturing is done in a controlled environment to uphold the highest quality

Quality Inspections

Standard work and quality control inspections

Quality Control

JR Butler products go through rigorous quality inspections and are tested and certified in the following areas.

Temperature Controlled Clean Environment

Lean Standard Work Training & Certification

5% of Completed Units Tested For Air & Water

Sealant Manufacturer Certification

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Use JR Butler Glass on Your Next Project

Interested in a JR Butler unitized glass and glazing products for your next project? Contact ASI and we can get you samples, help detail a project, and/or answer any questions you may have.