Resource Center
MDI SUPPLY
Resource Center
Free technical resources for commercial doors, frames and hardware — selection guides, hardware location drawings, specifications and data sheets, installation instructions, code and compliance information, and printable PDFs for submittals and the job site.
Need help with a specific opening? Contact our team or call 888.634.3667.
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Getting StartedHollow Metal DoorsHollow Metal FramesInstallationHardwareAccess DoorsComplianceMost popular
Commercial Lock Function Guide
What each lock function does and which rooms it suits, with brand cross-references.
Standard, fire rated, aluminum and hidden frame access doors, valve boxes and roof hatches.
How to tell LH, RH, LHR and RHR doors apart before you order.
Fire Door Inspection Checklist (NFPA 80)
A self-inspection aid for facility staff, with a printable 3-page form.
Getting Started
Learn the terms, figure out handing, and get answers before you order.
Answers to the questions we hear most often from contractors and facility managers.
Glossary of Door, Frame & Hardware Terms
125 industry terms explained in plain language, with links to the products behind them.
How to tell LH, RH, LHR and RHR doors apart before you order.
Manufacturer Hinge & Strike Location Chart
Hinge and strike locations by frame and door manufacturer for 6′-8″, 7′-0″ and 8′-0″ heights.
Hollow Metal Doors
Door construction data and hardware location drawings.
Product data for the honeycomb core hollow metal door.
Polystyrene Insulated Door: HMD-PS Series
Product data for the polystyrene insulated hollow metal door.
How to store hollow metal doors and frames on the job site.
Hollow Metal Frames
Typical frame details, cut sheets and anchors.
Installation
Step-by-step instructions for setting frames and installing accessories.
Butted & Bolt-In (Punch & Dimple)
Installing butted and bolt-in frames in existing openings.
Knock-Down Frame (Wrap Around Existing Wall)
Installing KD frames that wrap an existing wall.
Installation instructions for the adjustable KD frame.
Hardware
Selection guides for closers, locks, vision kits, louvers and finishes.
Choosing closer type, mounting, arm and size for the opening.
Commercial Lock Function Guide
What each lock function does and which rooms it suits, with brand cross-references.
Vision Kit & Louver Kit Selection Guide
Picking vision lites and louvers for rated and non-rated doors.
BHMA and US finish codes with swatches, including new ASSA ABLOY BSP, WSP and 10BE finishes.
Access Doors
Choosing the right access panel, valve box or roof hatch.
Standard, fire rated, aluminum and hidden frame access doors, valve boxes and roof hatches.
Compliance
Fire door inspection, ADA accessibility and regulatory information.
Fire Door Inspection Checklist (NFPA 80)
A self-inspection aid for facility staff, with a printable 3-page form.
2010 ADA Standards for doors: clear width, opening force, closing speed, hardware and thresholds.
Can’t find what you need?
Our team can help with submittals, hardware schedules, handing, and product selection. Call 888.634.3667, email orders@mdisupply.com, or use our contact page.
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Please note: This Resource Center, its guides and information are for informational purposes only. They are not a substitute for Fire Code Standards, Life Safety Code Standards or local building codes. Comply with all applicable federal, state, and local codes and the requirements of the Authority Having Jurisdiction (AHJ). Product offerings and specifications can change. Fire ratings and listings must be verified with the manufacturer.