SDI Glossary

Note: The SDI glossary is owned and maintained by the Steel Door Institute. Phones and small tablets may have to scroll left and right to use the glossary. Apple iOS users may have to use this version at SDI's website because embedded iFrames do not scroll.
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Universal Rough Opening Calculator

Instructions: Use decimal inches, face dimensions, and nominal opening size for butted application
Result...
× Close

Drywall Rough Opening Calculator

Instructions: Use decimal inches and results are for standard 2 inch face
Width must be number (ex. 99 or 99.99)
Height must be number (ex. 99 or 99.99)
Result...
× Close