How Fire Rating Classifications Work: From Flame Spread to Resistance Time
Quick Answer Fire rating classifications measure two different things: fire resistance rating (ASTM E119), which shows how long an assembly like a door can withstand [...]
Aligned Hinges vs Staggered Hinges: A Comparison of Screw Hole Patterns
When sourcing replacement hinges, most buyers check size, radius, and finish, then assume the screw holes will simply line up. In practice, the screw hole [...]
Types of Spring Hinges: Uses, Features, and Considerations
Most commercial self-closing hinges still adopt either spring or hydraulic damper for [...]
ADA Compliant Door Hinges: What the 5 lb Rule Actually Means for Your Door
Quick Answer The ADA 5 lb rule means a door must open with 5 lbs of force or less, while still closing in at least [...]
90 Degree Hinges for Heavy Duty Door: Insights
Quick Answer A 90-degree hinge, also called a 90-degree stop hinge, limits a door's swing to a right angle, preventing it from over-rotating into pathways, [...]
Garage Door Closer: Built for Safety, Designed for Real Life
Quick Answer Yes, garage-to-house doors are required to be self-closing in most jurisdictions under NFPA 80, as they serve as a fire barrier between the [...]
How Do Heavy Duty Wood Fence Gate Hinges Combine Strenght and Style All at One?
Quick Answer Heavy duty wood fence gate hinges combine strength and style by pairing a 260 to 440 lb load capacity with finishes like satin [...]
NFPA 80 Residential Fire Door Requirements: 13 Point Inspection Checklist
Quick Answer NFPA 80 is the standard that defines minimum requirements for fire door installation, inspection, and maintenance in buildings. It requires fire doors to [...]
What Makes Specifying Self Closing Door Hinges Challenging for Architects
Quick Answer Specifying self-closing door hinges forces architects to juggle five competing demands at once: ADA opening-force limits, fire-rated latching requirements, the torque load of [...]
ADA Fitting Room Requirements: Three Key Factors for an ADA-Compliant Rooms
Quick Answer ADA fitting room requirements call for accessible bench height, adequate clear floor space, and doors that operate with under 5 lbs of force [...]