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TRY THE BEST CHOICE IN VINYL SIDING

Mastic combines advanced science, engineering and R&D to deliver uncompromising performance that stands out— and stands up to mother nature at her worst.

Secure Locking Systems

Mastic T3-LOK® Panel Locking System grips panels together for fast, easy installation. It’s uniquely designed lock tightens under pressure to keep siding in place during extreme weather conditions.

Deep Projection For Strength and Beauty

Enhanced full 3/4 inch panel projection and uniquely angled, Mastic panels create straighter, deeper shadow lines for a premium look. And since the color is throughout the panel, nicks and scratches are virtually eliminated.

Robust Roll-Over Nail Hems

Mastic panels are engineered to be 200% more rigid than standard siding with robust roll-over nail hems. Mastic technology boosts durability, making panels more resistant to cracking, impact and thermal distortion.

MASTIC PRO RESOURCES & SUPPORT

Literature Library

Browse Mastic product literature, warranty information & more

Installation Guides

Get detailed step-by-step instructions for installing products from The Ply Gem Portfolio of Brands.

Technical Data

Find performance information, size and style sheets, technical drawings and more.

Specification Guides

Color Matrix

EPD Product Declarations

Ply Gem Pro Academy

Training and certification for vinyl siding installers.

Dedicated Field Training

Get Help with a Product

Pro Solutions Program

Make qualifying Mastic purchases and earn rewards.* It’s that easy with the Pro Solutions Program!

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MARKETING TOOLS

Explore marketing tools, assets, applications and more to promote your business.

Finding Mastic Is Easy!

Whether you’re a pro interested in purchasing Mastic or other Ply Gem brands and product lines or a homeowner looking for a professional to help with installation, we’ve got you covered.

HOW TO BUY

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The Best Choice In Vinyl Siding