3M™ Fire Barrier Mortar
Specifications

For Installation Techniques, click here

Sample specifications are provided under separate cover. CAUTION: firestopping is ideally specified under Section 07270, as a separate work scope tendered by specialty, 3M trained, applicators to the general contractors. Specifiers are advised to instruct the chief designer to provide clear identification of wall ratings in the form of overlays on separate drawings.

Related Sections of Work are:
03300   Concrete Form work
04200   Unit Masonry
07900   Joint Sealers
05300   Metal Decking
07250   Spray Applied Fireproofing
08900   Glazed Curtain Wall
09100   Metal Support Systems
09250   Gypsum Board
15250   Basic Mechanical Materials& Methods
15250   Mechanical Insulation
15300   Fire Protection
15400   Plumbing
15500   HVAC
15550   Heat Generation
15650   Refrigeration
16050   Basic Electrical Materials & Methods

Specifiers are advised to search these sections for overlaps, in order to avoid problems that will otherwise appear at tender time and during execution.
Refer to CSC TEK-AID Section 07270 Firestopping, Master Specification for comprehensive firestop specification.

Physical Properties

Performance

Tested per ASTM E814 and CAN/ULC-S115 for up to 2 hour fire resistance, F and T (F, FT, FH and FTH)

Listed for use in openings as follows: Electrical:

• 3’ x 6” (91 cm x 15 cm) cable trays, aluminum or steel
• 1C1000MCM full cabling of 3’ (91 cm) trays
• 45% actual (100% visual) cabling (power, instrumentation, communication)
• Bus Duct: up to 111.3 in2 or 21” x 5.3” (0.07m2 or 53.3 cm x 13.5 cm), 4500A copper, 3400A aluminum bars

Mechanical:

• 3” (76 mm) copper DWV/L or sched. 10S or heavier steel piping
• 1” to 6” (2.5 cm to 15 cm) pipe covering made of rock wool, calcium silicate or perlite
• ASJ, 0.01” (0.25 mm) stainless steel or 0.016” (0.41 mm) aluminum jacketing
• Tested with 8” (20 cm) steel piping + 6” (15 cm) pipe covering + 20” (51 cm) diameter penetrants

General:

• 22.7 ft² (2.11 m²) openings
• 280 lb (127 kg) concrete block loading test – passed
• Can be re-entered (re-entry and resealing performed on specimen prior to fire testing)
• “soft spots” made of Temperlite™ (by Knauf Fiber Glas GmbH) insulation sized 4” x 4” x 5” (10 cm x 10 cm x 12.5 cm)
• “slip-covers” consisting of 1/8” (3.2 mm) ceramic paper held on with ordinary duct tape and embedded in 3M Fire Barrier Mortar

FILL, VOID OR CAVITY MATERIALS FOR USE IN THROUGH-PENETRATION FIRESTOP SYSTEMS.
SEE UL DIRECTORY OF PRODUCTS CERTIFIED FOR CANADA AND UL FIRE RESISTANCE DIRECTORY 50L6.