3M 7000031965 3M, Fire Barrier...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$69.07
$21.27
3M 7000031965 3M, Fire Barrier Moldable Putty Pads MPP+, Red, 9.5 in x 9.5 in, 20 Each/Case

3M 7000031965 3M, Fire Barrier Moldable Putty Pads MPP+, Red, 9.5 in x 9.5 in, 20 Each/Case

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Model: 7000031965
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$69.07
$21.27
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3M, Fire Barrier Moldable Putty Pads MPP+, Red, 9.5 in x 9.5 in, 20 Each/Case

  • Features

    • Provides draft and cold smoke seal, helps reduce noise transfer
    • Excellent adhesion to a wide range of construction materials
    • Pliable one-part intumescent firestop material is designed for wall openings and through penetrations
    • Non-corrosive to metal, and compatible with synthetic cable jackets
    • Firestop tested for through penetration and membrane applications for up to 4 hours in accordance with ASTM E 814 (UL 1479)
    • Applied by hand, with no mixing or tools


7000031965 - spec sheet

Manufacturer Resources

Product Specs

Application:
Commercial Construction
Container Size Imperial :
0.0 NP
Container Size Metric :
0.0 NP
Country Of Origin:
United States
Etim Class 8 0:
EC000209
Fire Rating:
Up to 2 Hour
Overall Length Imperial :
9.5 in
Overall Length Metric :
241.0 mm
Overall Width Imperial :
9.5 in
Overall Width Metric :
241.0 mm
Product Color:
Red
Product Type:
Moldable Putty Pad
Smoke Seal:
Yes
Water Tight:
No
Department:
Electrical

3M 7000031965 – Frequently Asked Questions

1) What fire rating do 3M MPP+ moldable putty pads carry?
The MPP+ pads are rated up to 2 hours, and the material is firestop tested for through penetration and membrane applications for up to 4 hours in accordance with ASTM E 814 (UL 1479). The governing number for a given install is the specific UL system you are building to, so match the pad to the listed system for your wall assembly.
2) Do I still need a separate smoke seal if I use these putty pads?
No. The MPP+ putty provides a draft and cold smoke seal on its own, and it also helps cut noise transfer through the box opening, which matters on demising walls between units or patient rooms. It is not a watertight seal, so do not rely on it for wet or exterior-rated penetrations.
3) Is 3M moldable putty safe to use directly against low-voltage and data cable jackets?
Yes. The MPP+ material is non-corrosive to metal and compatible with synthetic cable jackets, so it can sit directly against THHN, coax, or data cable running through a box or sleeve without degrading the insulation. That is the reason it gets used on membrane penetrations where the cable never gets disturbed again.
4) Should I use moldable putty pads or a firestop sealant caulk around electrical boxes?
Putty pads like the MPP+ are the choice for membrane penetrations, meaning outlet and switch boxes set into a rated wall, because you press the one-part intumescent pad onto the back and sides by hand and you are done. Caulk and sealant are better suited to annular gaps around pipe and conduit passing fully through a wall. The MPP+ is tested for both through penetration and membrane applications, but the pad format is what makes box work fast.
5) How many 3M MPP+ putty pads come in a case?
MPP+ pads under part number 7000031965 ship 20 each per case, red, at 9.5 in square per pad. For a typical box-per-pad job that covers 20 openings, which is a common floor's worth of rated wall devices on a multi-family or healthcare project.
6) Why are these firestop putty pads red?
Red is the standard visual cue for firestop material, and it lets an inspector confirm from across the room that the box was padded before the drywall went up. The MPP+ pad is red throughout, which is what you want when the AHJ walks the job before close-in.
7) Will 3M MPP+ putty stick to drywall, steel boxes, and concrete without a primer?
The material has adhesion to a wide range of construction materials and is applied by hand with no primer, mixing, or tools called out. That covers the usual mix on a commercial job: galvanized boxes, gypsum board edges, and masonry. Surfaces should be clean for the putty to grab.
8) Is this the right product for a commercial job spec, or is it a residential-grade material?
MPP+ is a commercial construction firestop material, made in the United States, and specified on rated wall assemblies in commercial and institutional buildings. It is the kind of item a GC or electrical contractor buys by the case to close out the firestopping scope on a floor.
How fast can I get the 3M 7000031965 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the 3M 7000031965 come with a warranty?
Absolutely. The 3M 7000031965 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the 3M 7000031965?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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