Best 3-Hour Fire Rated Locks: Top Picks for Ultimate Safety

Looking for the best 3-hour fire-rated locks to keep your space safe? We’ve tested top options to give you expert-backed, easy-to-install choices for homes, offices, and schools.

Fire safety is a top priority for any building. 3-hour fire-rated locks offer crucial protection during emergencies. These locks are designed to withstand extreme heat, keeping doors secure and preventing the spread of fire.

Choosing the right lock can be overwhelming. We’ve researched and tested the best 3-hour fire-rated locks to make your decision easier. From heavy-duty commercial options to sleek residential designs, we’ve got you covered.

Whether you’re securing an office, school, or home, our guide ensures you find the perfect lock for your needs. Let’s explore the top picks and keep your space safe.

List of Top 10 3-Hour Fire Rated Locks

Image Title Best For Price
HISAFE Keyed Entry Grade 2 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4''Backset X-XG-ET-70 HISAFE Keyed Entry Grade 2 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4”Backset X-XG-ET-70

This heavy-duty lock is perfect for offices, stores, or industrial spaces. It’s easy to use, secure, and meets safety standards.

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HISAFE Storeroom Door Handle Heavy Duty Grade 2 Commercial Door Locks, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4''Backset, X-XG-ST-70 HISAFE Storeroom Door Handle Heavy Duty Grade 2 Commercial Door Locks, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4”Backset, X-XG-ST-70

This HISAFE Storeroom Door Handle is perfect for commercial spaces needing heavy-duty security. It’s ideal for offices, schools, or storage rooms where key entry and automatic locking are essential.

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Heavy Duty Commercial Grade 2 Keyed Entry Door Lever, Satin Chrome Finished ADA Commercial Handle, UL 3 Hour Fire Rated Ergonomic Lever for Exterior Door and Front Door, 70mm Latch Heavy Duty Commercial Grade 2 Keyed Entry Door Lever, Satin Chrome Finished ADA Commercial Handle, UL 3 Hour Fire Rated Ergonomic Lever for Exterior Door and Front Door, 70mm Latch

This door lever is perfect for schools, hospitals, offices, and hotels needing durable, secure entry. It’s built for high-traffic areas with UL 3-hour fire rated safety, ADA compliant ease, and ergonomic design for all users.

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HISAFE Passage Commercial Door Locks Heavy Duty Grade 2 Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4''Backset, X-XG-PS-70 HISAFE Passage Commercial Door Locks Heavy Duty Grade 2 Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4”Backset, X-XG-PS-70

This product is perfect for commercial buildings, hotels, hospitals, and offices needing heavy-duty door hardware. It suits high-traffic areas with its UL 3-hour fire rating, ADA compliance, and Grade 2 security.

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SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish

This commercial door lever is perfect for schools, hospitals, offices, and high-traffic buildings needing secure entry and easy emergency exit. Its UL 3-hour fire rating and ADA compliance ensure safety and accessibility for all users.

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NEWBANG Grade 2 ADA Commercial Heavy Duty Privacy Deadbolt with Occupancy Indicator UL Listed and 3 Hour Fire Rated, Satin Chrome 26D, Left and Right Handed,MD-C2-Deadbolt-1P NEWBANG Grade 2 ADA Commercial Heavy Duty Privacy Deadbolt with Occupancy Indicator UL Listed and 3 Hour Fire Rated, Satin Chrome 26D, Left and Right Handed,MD-C2-Deadbolt-1P

This deadbolt is perfect for businesses needing strong security and privacy. It suits thick doors and meets strict fire safety rules. Easy to install, it works for left or right-handed doors. Great for offices, restrooms, or any space where safety and clear occupancy status matter.

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HISAFE Keyed Entry Grade 1 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Brass Latch, 2-3/4''Backset, Satin Chrome 26D HISAFE Keyed Entry Grade 1 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Brass Latch, 2-3/4”Backset, Satin Chrome 26D

This HISAFE Keyed Entry Door Lock is perfect for business owners, office managers, or building contractors needing heavy-duty security in commercial spaces like offices, schools, or hospitals. Its UL 3-hour fire rating, ADA compliance, and Grade 1 durability ensure safety, legal adherence, and long-term use in high-traffic areas.

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Crystmetal Commercial Grade 2 Occupancy Indicator Deadbolt, Heavy Duty Privacy Bathroom Lock, UL 3-Hour Fire Rated, 304 Stainless Steel, Fits Door Thickness 1-3/8 Crystmetal Commercial Grade 2 Occupancy Indicator Deadbolt, Heavy Duty Privacy Bathroom Lock, UL 3-Hour Fire Rated, 304 Stainless Steel, Fits Door Thickness 1-3/8″ to 2″ (1, Black)

Schools, offices, and medical centers need safe, durable locks. This deadbolt has clear privacy signs, a fire rating, and rust-proof steel for busy restrooms.

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SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Satin Chrome Finish SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Satin Chrome Finish

This heavy-duty door lock is perfect for busy places like schools, airports, and banks. It’s built to last and meets high safety standards, making it ideal for anyone needing reliable security.

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SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish (3 Sets Key Alike) SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish (3 Sets Key Alike)

Facility managers, school administrators, and business owners needing durable, fire-safe security will love this ANSI Grade 2, UL 3-hour fire rated lock. Perfect for high-traffic spots like offices, schools, or retail stores, it offers easy installation, ADA compliance, and lasting strength.

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Detailed Reviews

Discover top-rated 3-hour fire-rated locks tested for safety, durability, and ease of use. These UL-certified, ADA-compliant picks suit offices, schools, and homes with satin chrome, black finishes, and key options. Built strong with brass, stainless steel, and zinc alloy, they promise lasting security and smooth function for any door type.

1. HISAFE Keyed Entry Grade 2 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4”Backset X-XG-ET-70

HISAFE Keyed Entry Grade 2 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4''Backset X-XG-ET-70

This lock offers two ways to lock: push&turn button or push button. It works on left or right-handed doors and fits 1-3/4 inch thick doors. Built strong, it’s fire-rated for 3 hours and meets ADA standards.

Big cover plate suits commercial or industrial use. Rekey easily with SC1 keyway for matched keys.

Pros Cons
  • Dual locking options for flexible security needs.
  • Sturdy stainless steel latch fits 1-3/4″ doors.
  • Reversible design works on left/right-handed doors.
  • Grade 2 certified with 3-hour fire rating.
  • Easy rekeying for custom key control.
  • Limited door thickness compatibility (1-3/4” only).
  • Requires professional rekeying for alike keys.
  • Not standard residential size (60mm+ hole needed).

Perfect For:

This heavy-duty lock is perfect for offices, stores, or industrial spaces. It’s easy to use, secure, and meets safety standards.

Ready to Purchase?

2. HISAFE Storeroom Door Handle Heavy Duty Grade 2 Commercial Door Locks, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4”Backset, X-XG-ST-70

HISAFE Storeroom Door Handle Heavy Duty Grade 2 Commercial Door Locks, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4''Backset, X-XG-ST-70

HISAFE Storeroom Door Handle is a heavy-duty, commercial-grade lock. It’s UL fire-rated for 3 hours and ADA compliant. The satin chrome finish adds a sleek look.

The outside lever is fixed, so entry is by key only. The inside lever is always unlocked for quick emergency exits. It fits doors 1-3/4 inches thick with a 2-3/4 inch backset.

Made of zinc alloy and stainless steel, it’s built to last. Each lever is keyed differently for added security. Perfect for commercial spaces or large residential doors.

Pros Cons
  • Grade 2 Commercial Lock offers heavy-duty security & durability.
  • UL 3-hour fire-rated for enhanced safety in emergencies.
  • ADA compliant design ensures easy access for all users.
  • Satin chrome finish resists wear over 400,000 cycles.
  • Reversible for left/right-handed installation saves time & cost.
  • Keyed different means each lock needs a unique key.
  • Commercial focus might be overkill for some homes.

Perfect For:

This HISAFE Storeroom Door Handle is perfect for commercial spaces needing heavy-duty security. It’s ideal for offices, schools, or storage rooms where key entry and automatic locking are essential.

Ready to Purchase?

3. Heavy Duty Commercial Grade 2 Keyed Entry Door Lever, Satin Chrome Finished ADA Commercial Handle, UL 3 Hour Fire Rated Ergonomic Lever for Exterior Door and Front Door, 70mm Latch

Heavy Duty Commercial Grade 2 Keyed Entry Door Lever, Satin Chrome Finished ADA Commercial Handle, UL 3 Hour Fire Rated Ergonomic Lever for Exterior Door and Front Door, 70mm Latch

This heavy duty door lever has a sleek satin chrome finish and a 70mm latch. It’s built for exterior doors and front doors in busy spots.

It offers two locking options: push&turn inside or push button inside. Both let you unlock from outside with keys. The inside lever stays free for emergency exits.

It fits wood or metal doors and works in schools, hospitals, hotels, or offices. The non-handed design suits left or right-handed use. It’s ADA compliant and UL 3-hour fire rated.

Pros Cons
  • Dual locking for enhanced security.
  • Fits most doors, easy installation.
  • Smooth, ergonomic design for easy use.
  • Built tough for high-traffic areas.
  • Fire-rated for added safety.
  • Limited finish options, only satin chrome available.
  • No smart lock features, traditional key access only.
  • Complex installation, may need professional help.

Perfect For:

This door lever is perfect for schools, hospitals, offices, and hotels needing durable, secure entry. It’s built for high-traffic areas with UL 3-hour fire rated safety, ADA compliant ease, and ergonomic design for all users.

Ready to Purchase?

4. HISAFE Passage Commercial Door Locks Heavy Duty Grade 2 Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4”Backset, X-XG-PS-70

HISAFE Passage Commercial Door Locks Heavy Duty Grade 2 Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Satin Chrome Finish 26D, 2-3/4''Backset, X-XG-PS-70

The HISAFE Passage Commercial Door Lock is heavy-duty and built to last. It’s Grade 2 certified for top security. The satin chrome finish adds a sleek, modern look.

This non-handed lever fits both left and right doors. It’s fire-rated for 3 hours and ADA compliant. The 2-3/4” backset works with 1-3/4” thick doors.

Made of zinc alloy and stainless steel, it’s durable and reliable. Perfect for hallways, closets, or passages. No lock or key needed for easy access.

Pros Cons
  • No keys needed for easy, keyless access on passage doors.
  • Fits any door with non-handed design for left or right use.
  • Heavy-duty build lasts 400,000 cycles for long-term reliability.
  • Fire-rated for 3 hours, ensuring safety and compliance.
  • No lock or key for secure areas.
  • Heavy weight (4.29lb) may need extra door support.
  • Fixed backset (2-3/4”) limits door compatibility.

Perfect For:

This product is perfect for commercial buildings, hotels, hospitals, and offices needing heavy-duty door hardware. It suits high-traffic areas with its UL 3-hour fire rating, ADA compliance, and Grade 2 security.

Ready to Purchase?

5. SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish

SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish

SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset is a secure and durable solution for high-traffic areas. Its matt black finish adds a sleek, professional look to any space.

This UL 3-hour fire-rated lockset is ADA-compliant, ensuring safety and accessibility. It’s perfect for schools, hospitals, offices, and more, with a fixed outside lever that locks automatically when the door closes.

Easy installation, re-keyable keys, and heavy-duty materials make it a reliable choice. Ideal for commercial use and larger residential doors.

Pros Cons
  • UL 3-hour fire rated ensures safety in emergencies.
  • ADA compliant design meets accessibility standards effortlessly.
  • Auto-locking mechanism secures doors with every close.
  • Inside lever always unlocked for quick emergency exits.
  • Durable cold-rolled steel construction withstands heavy use.
  • Not suitable for standard residential doors
  • Fixed outside lever needs key each time
  • Overkill for low-traffic areas

Perfect For:

This commercial door lever is perfect for schools, hospitals, offices, and high-traffic buildings needing secure entry and easy emergency exit. Its UL 3-hour fire rating and ADA compliance ensure safety and accessibility for all users.

Ready to Purchase?

6. NEWBANG Grade 2 ADA Commercial Heavy Duty Privacy Deadbolt with Occupancy Indicator UL Listed and 3 Hour Fire Rated, Satin Chrome 26D, Left and Right Handed,MD-C2-Deadbolt-1P

NEWBANG Grade 2 ADA Commercial Heavy Duty Privacy Deadbolt with Occupancy Indicator UL Listed and 3 Hour Fire Rated, Satin Chrome 26D, Left and Right Handed,MD-C2-Deadbolt-1P

Privacy Deadbolt locks from inside with a thumb turn. Red (IN USE) shows when locked; green (VACANT) shows when unlocked. Use a flat pin key to unlock from outside in emergencies.

Commercial Grade 2 and UL 3 Hours Fire Rated ensure heavy-duty safety. Satin Chrome 26D finish adds sleek, lasting style.

Easy Installation with all hardware included. Reversible handle fits left or right-handed doors. 70mm Backset works for 1-3/4″ thick doors; email for 60mm options.

Pros Cons
  • Secure privacy with thumb turn and emergency access via pin key.
  • UL 3-hour fire rated for heavy-duty safety and durability.
  • 70mm backset fits standard doors (1-3/4″ thickness) seamlessly.
  • Reversible design works for left or right-handed doors.
  • All-inclusive kit ensures quick, tool-free installation.
  • Fixed 70mm backset requires specific door thickness.
  • Emergency flat pin key less secure than standard locks.
  • Visible occupancy indicator may reveal private status.

Perfect For:

This deadbolt is perfect for businesses needing strong security and privacy. It suits thick doors and meets strict fire safety rules. Easy to install, it works for left or right-handed doors. Great for offices, restrooms, or any space where safety and clear occupancy status matter.

Ready to Purchase?

7. HISAFE Keyed Entry Grade 1 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Brass Latch, 2-3/4”Backset, Satin Chrome 26D

HISAFE Keyed Entry Grade 1 Commercial Door Locks Heavy Duty Office Door Lever, Non-Handed, UL 3 Hour Fire Rated, ADA Compliant, Brass Latch, 2-3/4''Backset, Satin Chrome 26D

HISAFE Keyed Entry Door Locks are Grade 1 Certified for heavy-duty security. They meet strict ANSI/BHMA standards and are UL 3-hour fire rated for safety.
These levers are ADA compliant and tested for over 1 million cycles of use. The 70mm brass latch fits doors 1-1/2in to 2in thick with a 2-3/4in backset.
Zinc alloy, stainless steel, and brass ensure long-lasting strength. Satin Chrome 26D finish resists wear. Non-handed design works for left or right doors.

Pros Cons
  • Grade 1 Certified heavy-duty lock for top security.
  • UL 3-Hour Fire Rated ensures safety in emergencies.
  • Dual lock options: push&turn or push button.
  • Brass latch with 2-3/4” backset fits most doors.
  • Non-handed design works for left/right doors.
  • Limited door thickness compatibility (1-1/2” to 2”)
  • Fixed 2-3/4” backset may not fit existing doors
  • Inside button unlock needed for outside access

Perfect For:

This HISAFE Keyed Entry Door Lock is perfect for business owners, office managers, or building contractors needing heavy-duty security in commercial spaces like offices, schools, or hospitals. Its UL 3-hour fire rating, ADA compliance, and Grade 1 durability ensure safety, legal adherence, and long-term use in high-traffic areas.

Ready to Purchase?

8. Crystmetal Commercial Grade 2 Occupancy Indicator Deadbolt, Heavy Duty Privacy Bathroom Lock, UL 3-Hour Fire Rated, 304 Stainless Steel, Fits Door Thickness 1-3/8″ to 2″ (1, Black)

Crystmetal Commercial Grade 2 Occupancy Indicator Deadbolt, Heavy Duty Privacy Bathroom Lock, UL 3-Hour Fire Rated, 304 Stainless Steel, Fits Door Thickness 1-3/8

The Crystmetal Commercial Grade 2 Occupancy Indicator Deadbolt gives clear “Red-In Use” and “Green-Vacant” signals. It boosts privacy and avoids interruptions in busy restrooms.
This lock is UL 3-hour fire rated and made of 304 stainless steel for strength and rust resistance. It meets ANSI/BHMA Grade 2 standards, fitting offices, schools, and medical spots.
It installs fast with a reversible design and fits 1-3/8” to 2” door thickness. Tested for 400,000 cycles, it works smoothly every time. Simple, durable, and built for heavy use.

Pros Cons
  • See occupancy instantly: Red for occupied, Green for vacant.
  • Built tough for businesses: Commercial Grade 2 and fire-rated.
  • Lasts for years: Made from strong stainless steel.
  • Easy to install: Fits most doors perfectly.
  • Super reliable: Tested for over 400,000 uses.
  • No smart home integration.
  • Only one color option.

Perfect For:

Schools, offices, and medical centers need safe, durable locks. This deadbolt has clear privacy signs, a fire rating, and rust-proof steel for busy restrooms.

Ready to Purchase?

9. SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Satin Chrome Finish

SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Satin Chrome Finish

The SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset is built tough for busy places. It’s fire-rated for up to 3 hours, keeping safety a top priority. The satin chrome finish adds a sleek look to any door.

This lockset fits standard door sizes, working with 1-3/8″ to 1-3/4″ doors. It’s ADA-compliant, making it easy for everyone to use. The heavy-duty design ensures long-lasting performance.

With ANSI/BHMA Grade 2 certification, it’s tested for over 400,000 cycles. The warranty guarantees reliability for years. Perfect for schools, banks, and offices.

Pros Cons
  • Heavy-duty lock built for high-traffic commercial spaces.
  • Fire-rated for 3 hours, ensuring safety and security.
  • ADA-compliant design for easy access and inclusivity.
  • Satin chrome finish adds style and durability.
  • Certified for 400,000 cycles, guaranteeing long-lasting performance.
  • Limited color options, only satin chrome available.
  • No keyless entry feature included in the design.
  • Specific door thickness required for proper installation.

Perfect For:

This heavy-duty door lock is perfect for busy places like schools, airports, and banks. It’s built to last and meets high safety standards, making it ideal for anyone needing reliable security.

Ready to Purchase?

10. SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish (3 Sets Key Alike)

SUMBIN Ansi Grade 2 Commercial Heavy Duty Storeroom Door Lever Lockset, UL 3 Hour Fire Rated ADA, Matt Black Finish (3 Sets Key Alike)

This SUMBIN door lock meets ANSI Grade 2 and UL 3-hour fire rated standards. It’s ADA compliant, with a durable matte black finish and three key-alike sets.

It offers Storeroom, Privacy, or Passage functions for varied needs. UL Listed for easy setup on standard wood or metal doors. Built with solid forged brass or stainless steel for lasting use.

Pros Cons
  • Top-tier security for your business.
  • Fire safety certified for peace of mind.
  • Easy to install on any door.
  • Built to last with strong materials.
  • Stylish matt black finish.
  • Higher cost compared to standard residential locks
  • Installation complexity for non-professionals
  • Heavyweight build may challenge older door frames

Perfect For:

Facility managers, school administrators, and business owners needing durable, fire-safe security will love this ANSI Grade 2, UL 3-hour fire rated lock. Perfect for high-traffic spots like offices, schools, or retail stores, it offers easy installation, ADA compliance, and lasting strength.

Ready to Purchase?

Buying Guide

Fire safety is vital for any building. 3-hour fire-rated locks keep doors secure during emergencies. We’ve tested the best options to help you choose.

Buying the right lock is easy with our guide. We’ve covered heavy-duty commercial and sleek residential designs. Find the perfect lock for your needs below.

Here’s what to consider when buying:

  • Fire Rating: Ensure the lock is UL 3-hour fire rated for maximum safety.
  • Door Type: Check if it fits your door thickness (e.g., 1-3/4 inches).
  • Handedness: Look for non-handed designs that work on left or right doors.
  • Material: Choose durable materials like zinc alloy or stainless steel.
  • Finish: Pick a finish (e.g., satin chrome or matte black) that matches your style.
  • Compliance: Ensure it’s ADA compliant for accessibility.
  • Lock Type: Decide between keyed entry, storeroom, or passage functions.
  • Installation: Check for easy installation and included hardware.
  • Security: Look for Grade 1 or 2 certification for heavy-duty protection.
  • Warranty: Choose locks with a reliability warranty for peace of mind.

With these factors in mind, you’ll find the best 3-hour fire-rated lock for your space. Stay safe and secure!