Commercial Building Envelopes … We’ve Got You Covered!

Since 2014, SJ Mallein and Associates has grown to be a premier representative of commercial building envelope systems. In our alliance with exterior construction product and system manufacturers, we are sales representatives and market development specialists that provide comprehensive technical solutions and design options for architects and design professionals, contractors and building owners. Our mission statement is simple: SJ Mallein and Associates represents top-tier manufacturers and provides timely, flexible, and responsible solutions for your building envelope needs. Reach out to us to learn more.

2019 05-15%2009.52.07%20am

SJ Mallein & Associates Product Line Representation:


SJ Mallein & Associates represents leading manufacturers of commercial building envelope systems including Firestone Building Products, Firestone Metal Products, Gaco, GenFlex Roofing Systems, SkyScape Vegetative Roof Systems, SunWave Skylights, Georgia-Pacific DensDeck Roof Board, Westile Pavers, Metal-Era edge and coping systems, Rooftop Anchor safety systems, nVent CADDY Pyramid rooftop mechanical equipment support products, Firestone Enverge wall products, Georgia-Pacific DensElement exterior WRB-AB sheathing, AVM Industries’ below grade, blindside and plaza deck waterproofing, and Kingspan GreenGuard exterior rigid insulation panels.

SJ Mallein represents all listed product lines in the greater Chicago area, as well as Westile Pavers in Iowa and AVM and DensElement in Wisconsin.

Roof Solutions


Roof Enhancements


Wall Solutions




SJ Mallein is here to help!


SJ Mallein & Associates prides itself on providing top-notch service to our customers and brings extensive building envelope protection expertise and experience to every stage of your project.


Specification and Detail Review

Allow SJ Mallein & Associates to bring their extensive real-world experience to assist you in developing your construction documents to ensure clarity, consistency, constructibility and that they're in alignment with code and warranty requirements.

Learn more >


Existing Roof System Evaluation

Is it time to replace your existing roof? SJ Mallein & Associates is available to assist in evaluating the condition of your roof and help you develop a plan for managing your valuable roofing asset, including whether you should repair, recover or replace.

Learn more >


Tapered System Design

Let’s face it - designing an effective tapered insulation system can get tricky. After all, most roofs aren't simple rectangles with tall parapets! SJ Mallein & Associates can assist in developing systems that will provide positive drainage while meeting necessary code requirements.

Learn more >


Paver and Vegetative System Layouts

SJ Mallein & Associates can provide you with effective resources to design the best amenity space or select the most impactful plantings for your rooftop garden.

Learn more >


Safety Anchor Layout and Review

SJ Mallein & Associates, in partnership with Rooftop Anchor, can assist in developing OSHA-compliant fall protection systems custom-taylored to fit the needs of your building, including fall-arrest and rope descent systems.

Contact us for further information >


Accredited Lunch & Learn Presentations

Let SJ Mallein & Associates lead your next accredited Lunch & Learn activity. Our experienced staff brings extensive experience in building envelope systems to your firm while you earn valuable CEUs with insightful and informative presentations.

Request a Lunch & Learn Menu >

SJ Mallein & Associates is proud to be affiliated with the following organizations:


Construction Specifications

CSI members collaborate to effectively communicate the designer’s vision, the material producers’ solutions, and the constructors’ techniques to create outstanding facilities that meet facility owners’ objectives. Through educational events and networking, members exchange information for successful project management. SJ Mallein is active in the Chicago, Northern Illinois, Madison, and Milwaukee CSI Chapters.


International Institute of Building Enclosure Consultants

IIBEC, formerly RCI, Inc., is a nonprofit association representing over 3000 members comprising  building enclosure consultants and other industry stakeholders specializing in roofing, waterproofing, and exterior wall specification and design.
Our members specialize in design, investigation, repair, and management of roofing, exterior wall, and waterproofing systems.


Chicago Roofing Contractors Association

CRCA is the leading trade association of roofing and waterproofing contractors in Illinois. CRCA members include Contractors, Manufacturers, Distributors, Manufacturers Representatives, Allied Services Suppliers and Consultants. CRCA Members meet and tackle issues important to the steep and low slope roofing industry and waterproofing industry.