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“ Vertical steel stiffeners ”

Resolution: No, steel stiffeners are not required in Hollow Metal doors, they are one of many optional core available.Per ANSI/SDI A250.8 and ANSI/HMMA 867, core construction are optional offeri...:

What causes the top rod case to pull away from or strip out of the face of a steel door?

Resolution: Hardware falling off a door is caused by one or all of the following issues: Field abuse Improper internal reinforcements in the door Improper field preparation The top or bottom rod case can...:

What are the door cores A, B, C, D, E & F per SDI 100?

Resolution: These references are from an old and outdated SDI 100 specification. The new specification SDI 100 ANSI A-250.8 does not contain letter designations for core material. Core constructions designat...:

What are the thermal factors for Steelcraft door products?

Resolution: All doors are tested in accordance with ASTM C1363 and SDI 113:B18 Series (Steel Stiffeners) U-Factor = 0.50 R-Value = 2.01B16 Series (Steel Sti...:

What core options are available in L-Series door?

Resolution: Door cores are available as follows: L-Series SL-Series and A14-Series Doors: Honeycomb core is standard Polystyrene core is optional Polyurethane core is optional CE-Serie...:

What cores are offered for insulated doors?

Resolution: Insulated Core Options: Steelcraft L-Series doors are available with the following 2 optional insulated cores: Polystyrene slab - this core is available in non fire rated and fire rated doors...:

Are GrainTech doors available with hardware preps?

Resolution: All hardware options (available on standard door) are available on GrainTech® doors. Available hardware are covered in the Steelcraft Price Manual. GrainTech® doors can be prepped for the Von Dupr...:

Is Steelcraft an active member of SDI?

Resolution: Steelcraft is a long-standing and very involved member of several training and industry organizations. Some of the major trade associations of which Steelcraft is and active member include: SDI ...:

What are the differences in B500, D100, and D200 bolts?

Resolution: The bolts used in these products are similar except for bolt material. B500 and D200 - Zinc bolt D100 - Steel bolt:

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“ Vertical steel stiffeners ”

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