Cornerstone Building Brands is a leading manufacturer of exterior building products, including Mastic® Siding, Ply Gem® Accessories and Performance Metals®, Simonton® Windows & Doors, Variform® Siding, , StoneWorks®, and Harvey® Windows & Doors— trusted exterior solutions contractors install every day.

Join us at Booth #U209 – Level 5 for live installation demos, full system displays, and hands-on learning with our field experts.

Stop by to build your skills, explore new products, and talk shop with the team.

VINYL SIDING CERTIFICATION AND INTRO TO VINYL INSTALLATION

Designed for trade students Learn the fundamentals of vinyl siding installation from the ground up. This session covers basic tools, starter strip setup, panel engagement, fastening techniques, and common mistakes to avoid. Students will gain hands-on experience and build the core skills needed for jobsite success and certification readiness.

MASTIC EVERPLANK SIDING INSTALLATION – ALL NEW, TRUE-TO-WOOD LOOK

All-new. True-to-wood look.

See how Mastic EverPlank siding delivers the beauty of real wood with the performance and ease of installation of vinyl. We’ll walk through the unique installation approach, key differences from traditional vinyl, and pro tips for achieving a premium finished look. Familiar process—completely new visual impact.

MASTIC SIDING & ACCESSORIES – FEATURING SHAKE, SHINGLE, SHUTTERS, MOUNTS AND METAL SOFFIT

Shake, shingle, shutters, mounts & metal soffit

Explore how coordinated accessories complete the exterior. This demo highlights color matching, design flexibility, and the performance advantages of our shake and shingle accents, mounts, shutters, and metal trim and soffit. Learn installation best practices that improve speed, fit, and long-term durability while delivering a finished, professional appearance.