Cornell StormDefender® Storm Safe Room Door

Product Info

All specifications sourced from Cornell's official StormDefender® product documentation. Contact DOORTEC at (405) 720-7107 for sizing, configuration, and installation details specific to your facility.

Certifications
ICC 500	Tested and certified to ICC 500-2023 — International Code Council Standard for the Design and Construction of Storm Shelters
FEMA P-361	Tested and certified to FEMA P-361, Third Edition — best-practice guidelines for safe room design and construction
Wind Performance
Wind Pressure Resistance	Designed to withstand 300 psf wind pressures
High-Velocity Projectile	Tested to withstand high-velocity projectiles per ICC 500 and FEMA P-361 standards
Construction
Curtain	12-gauge, 4" face flat steel slat with SpectraShield® powder coat in gray (standard)
Guides	Steel with powder coating to match the curtain
Bottom Bar	12-gauge, 4" face steel bottom bar with powder coat to match the curtain
Windlocks	Patent-pending windlock bars alongside guides — each slat modified to rest in windlock bar for added stability in severe storms
Sizing
Minimum Size	3'0" × 3'0"
Maximum Size	14'0" × 16'0"
Maximum Width Note	Maximum width between 13'10" and 14'0" depending on configuration — contact DOORTEC if maximum width greater than 13'10" is required
Safety System
AlarmGard	Fail-safe AlarmGard system standard — triggers strobe light and audible horn when closure is required
Alarm Connectivity	Can connect directly to building alarm system for automatic deployment on activation
Operation	Deploys automatically when building alarm activates — no manual lockdown required
Design
Profile When Open	Coil stores above finished ceiling or soffit — door virtually invisible until activated
Finish
Standard	SpectraShield® powder coat in gray — available in 180+ SpectraShield™ or AtmoShield® colors

StormDefender® certified to ICC 500-2023 and FEMA P-361, Third Edition. Fire-rated model PRSD361 also available. FEMA Hazard Mitigation Assistance documentation available upon request.

The StormDefender® is Cornell's safe room door — the product specifically engineered to protect people from Oklahoma's most destructive weather events. It is the only rolling door certified to both ICC 500-2023 and FEMA P-361, the two governing standards for safe room construction in the United States.

ICC 500-2023 certification — meets the International Code Council's mandatory enforceable standard for storm shelter design and construction; if your jurisdiction has adopted the 2015 IBC or later, ICC 500 compliance may be required for designated safe room spaces in certain building types

FEMA P-361 Third Edition certification — meets the Federal Emergency Management Agency's best-practice guidelines for near-absolute protection safe rooms; FEMA P-361 compliance is required for facilities receiving FEMA Hazard Mitigation Assistance funding for storm shelter construction

300 psf wind pressure resistance — approximately equivalent to tornado wind speeds exceeding 250 mph, meeting the most stringent wind zone requirements in FEMA P-361; the StormDefender® has been independently tested and certified to these pressures

High-velocity projectile resistance — tested to withstand 2"×4" timber projectiles at speeds specified by ICC 500 and FEMA P-361, the most demanding component of safe room door certification

Patent-pending windlock bars alongside the guides — each slat is modified to engage the windlock bar, providing resistance to the lateral displacement of individual slats during extreme wind events that standard end-locks alone cannot prevent

AlarmGard fail-safe system with strobe light and audible horn — alerts occupants that the door is closing, ensuring everyone has time to clear the opening before the door drops; connects to building alarm for automatic deployment

Coil stores above finished ceiling or soffit — the StormDefender remains completely invisible in normal building operation, deployable in seconds when needed without the visual and spatial impact of traditional storm shelter doors

Fire-rated version available (Model PRSD361) — for safe room applications in occupancies requiring both storm protection and fire-rated door assemblies at the opening

The StormDefender® is the specification for any Oklahoma City or Tulsa facility required to maintain a certified ICC 500 safe room — and is strongly recommended for any facility where protecting occupants from tornadoes is a life-safety priority regardless of code mandate.

Schools

Government Buildings

Hospitals

Gymnasiums & Safe Rooms

Emergency Operations

Public Facilities

The StormDefender® is configured to your application. Contact DOORTEC at (405) 720-7107 to discuss the right options for your facility.

Standard Model: PSD361 — standard StormDefender door

Fire-Rated Model: PRSD361 — fire-rated StormDefender for openings requiring both storm and fire-rated protection

Finish: SpectraShield™ 180+ powder coat colors · AtmoShield® textured powder coat

Operator: AlarmGard system standard — connects to building alarm for automatic deployment

Opening Size: Minimum 3'×3' · Maximum 14'×16' — contact DOORTEC for configurations above 13'10" width

FEMA Funding: StormDefender® certification meets requirements for FEMA Hazard Mitigation Assistance grant eligibility — contact DOORTEC for documentation

Wayne Dalton/Cornell backs the StormDefender® with manufacturer warranty coverage. DOORTEC's installation workmanship guarantee is provided on top of all manufacturer coverage.

Contact DOORTEC for Warranty Terms Cornell provides warranty coverage on the StormDefender®. Contact DOORTEC at (405) 720-7107 for current warranty terms applicable to your specific configuration.

Cornell manufacturer warranty — contact DOORTEC for current terms

DOORTEC Workmanship Guarantee — any installation issue corrected at no charge

ICC 500 and FEMA P-361 certification documentation available for AHJ review

DOORTEC installs the StormDefender® throughout Oklahoma City, Edmond, Norman, Moore, Yukon, Midwest City, Guthrie, El Reno, and Tulsa. Our factory-trained commercial technicians handle the full scope from site assessment through commissioning.

DOORTEC Commercial Installation Process
Site Assessment	We assess the opening, header clearance, wall construction, and security requirements to specify the correct model and configuration for your facility.
Specification	We specify curtain material, pattern, finish, operator type, and any required accessories based on your security and aesthetic requirements.
Installation	Factory-trained technicians install the complete door or grille system to manufacturer specifications.
Commissioning	Full operator programming, travel limits, safety device testing, and operational walk-through before sign-off.
Service Coverage	Oklahoma City · Edmond · Norman · Moore · Yukon · Midwest City · Guthrie · El Reno · Tulsa

StormDefender® in Oklahoma City

Oklahoma City sits in the heart of the United States' most tornado-active corridor. The Cornell StormDefender® is the ICC 500 and FEMA P-361 certified storm door that DOORTEC installs for Oklahoma City schools, government buildings, hospitals, and any facility designated as a community safe room or required to provide ICC 500-compliant storm shelter access. The StormDefender's 300 psf wind pressure certification and high-velocity projectile testing provide documented evidence of performance that AHJs and FEMA grant programs require.

For Oklahoma City facilities pursuing FEMA Hazard Mitigation Assistance funding for storm shelter construction, the StormDefender's FEMA P-361 certification is a documentation requirement for grant eligibility. DOORTEC provides all required installation documentation and certification records. Call (405) 720-7107 for a free commercial site assessment and specification consultation.

Storm Safe Room Doors Tulsa & OKC

DOORTEC's Tulsa location serves the greater Tulsa metro with the Cornell StormDefender® — particularly important for Tulsa's public schools, community centers, and government facilities in a state where tornado preparedness is a genuine life-safety issue. Oklahoma has consistently ranked among the top states for annual tornado incidence, making ICC 500-certified storm shelter doors a meaningful investment for any facility responsible for protecting occupants.

For Tulsa and Oklahoma City facilities comparing the StormDefender® (tornado/hurricane safe room certification) against the StoreDefender™ (retail security / civil unrest protection), note these are distinctly different products for different threat profiles — the StormDefender is engineered to withstand 300 psf wind and high-velocity debris, while the StoreDefender is engineered to resist forced human entry. DOORTEC can help you specify the right product for your facility's specific risk profile. Contact us at (405) 720-7107.