High Security

The Thermostop security sectional doors offer the industry’s highest insulation values with their 2” thick (R-18), 3” thick (R-24) and 4” thick (R-32) panels which are equipped with the industry’s most heavy-duty 16 gauge steel skins or the 20 gauge steel skins. This unmatched combination makes the Thermostop Sentinel the best insulated and the most intrusion-resistant door on the market. Several other features make the Sentinel door truly outstanding: high density polyurethane foam core, authentic thermal break between inner and outer skins, airtight tongue-and-groove joint with integral bubble seals, triple lip perimeter weather seal, double bottom U-rubber seal, heavy-duty hardware and accessories.

The Sentinel door is your security sectional door for applications such as:

  • police station
  • detention center
  • military installation
  • government building
  • Canadian Arctic building
    research laboratory
  • mines (precious stones & minerals)
  • pharmaceutical plants
  • high-value goods warehouse

Recommended doors for the application:

BulletStop - Bullet-Resistant Vertical Door

BulletStop

The BulletStop bulletproof sectional door conforms to the Underwriters Laboratory UL 752 certification (Standard for Bullet-Resisting Equipment) standard, level 1 to level 8.

Learn More »
AluRoyal - Rust-resistant 16 GA Aluminum Sectional Door

Aluroyal

The AluRoyal aluminum sectional door is your best looking aluminum insulated industrial sectional door.

Learn More »
Sentinel - Security Sectional Door

Sentinel

The Sentinel sectional door is without equal the most robust and best insulated sectional door in the industry.

Learn More »

Get in touch with our specialists

Tell us more about your project!

For your industrial door need or for any specialty door requirement, let Thermostop be your last stop. For custom quotes or to learn more about our high quality doors, please contact us with your questions or door specifications

Get in touch with our specialists

Tell us more about your project!

For your industrial door need or for any specialty door requirement, let Thermostop be your last stop. For custom quotes or to learn more about our high quality doors, please contact us with your questions or door specifications

Clients

Our industrial doors are specified and installed across North America