FEEL CONFIDENT IN THE QUALITY OF MASTIC
Mastic combines advanced science, engineering and R&D to deliver uncompromising performance that stands out— and stands up to mother nature at her worst.
![Image](https://www.plygem.com/wp-content/uploads/2024/03/Comparison-1-Loose-vs-Locked.jpg)
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.
![Image](https://www.plygem.com/wp-content/uploads/2024/03/Comparison-3-Flat-vs-Deep.jpg)
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.
![Image](https://www.plygem.com/wp-content/uploads/2024/03/Comparison-2-Weak-vs-Strong.jpg)
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.