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Rockwood 2848 Automatic Flush Bolt with Bottom Fire Bolt for Metal Doors Fire Rated Up to 3 Hours
Model: ROC-2848
ROCKWOOD 2848 Automatic Flush Bolt with Bottom Fire Bolt
Material: Brass, stainless steel;
Finishes: US3, US4, US10, US10B,US10BE, US26, US26D, US32D;
Fastner: 10 ea.
Rockwood
Starting at
$193.38
$163.96
ROCKWOOD 2960 Automatic Flush Bolt with Bottom Fire Bolt
Material: Brass;
Finishes: US26D;
Fastner: 4 ea. #8 x 1" FH SMS, 4 ea. #8 x 3/4" FH combo screws, 2 ea. plastic anchors
Features:
- For Fire Rated Wood Core & Composite Doors
- Durable, tested over 1 million cycles
- Smaller profile adds stability to the door
- Only two 1-1/8" diameter holes for easier door preparation
- Preparation prevents the veneer from splitting at the corners of the door
- Quiet & smooth activation
- Fully automatic—opening active door retracts top bolt
- Non-handed.
- Override feature prevents damage to doors or bolt if bolt head is blocked from entering strike
- Low (3 lbs. maximum) closing force. ADA Compliant
- Adjustable bolt head rod: bolts can be vertically adjusted 1/2" for unusual clearances
- For up to 4' w x 9' h fire rated wood core & composite doors up to 20 minutes fire rating.
ROCKWOOD OVERVIEW
Rockwood products are normally used on all types of institutional buildings, offices, retail, educational, detention, sports facilities, hotel and restaurant, and finer residences.
ENVIRONMENTAL MANAGEMENT
ASSA ABLOY is commited to protecting the quality of the environment as well as the health and safety of its employees, customers, and the community. Please see our Environmental Health and Safety Policy for details on how we are dedicated to this commitment.
RESOURCES & DOWNLOADS
Manufacturer Resources
Product Specs
- Product Group:
- Door Trim and Accessories
- Fasteners:
- 4 ea. #8 x 1" FH SMS, 4 ea. #8 x 3/4" FH combo screws, 2 ea. plastic anchors
- Subcategory:
- Bolts and Latches
- Product Subgroup:
- Flush Bolts
- Product Type:
- Flush Bolts
- Commercial/Residential:
- Commercial
- Product Model:
- 2960
- Face Plate:
- 1-1/8" x 2-1/4"
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware
Rockwood ROC-2960-US32D – Frequently Asked Questions
1) What does automatic mean on the Rockwood 2960, versus a manual flush bolt?
Fully automatic: opening the active leaf retracts the top bolt on the inactive leaf, so nobody has to reach up and flip a lever. A manual bolt such as the ABH 1855S or the Ives FB358 has to be thrown and released by hand at each use, which is fine for a leaf that stays shut but a nuisance on a pair that gets opened wide regularly.
2) My bottom bolt won't line up with the floor strike, is there any adjustment?
There is. The 2960 has an adjustable bolt head rod, so the bolts can be shifted vertically 1/2 inch to take up unusual clearances at the head or sill. There's also an override built in, so if the bolt head is blocked from entering the strike it won't damage the door or the bolt.
3) I need a fire rated automatic flush bolt for a pair rated longer than 20 minutes, what should I use?
The Rockwood 2960 tops out at a 20 minute rated wood core or composite door. For longer ratings, the Ives FB41 automatic flush bolt set for wood doors is listed at 90 minutes, and the ABH 1860P/1862P automatic flush bolt pair is a 3 hour fire rated set with a thermal lock for metal openings.
4) What automatic flush bolt should I use on a hollow metal door pair instead of the Rockwood 2960?
The Rockwood 2960 is built for fire rated wood core and composite doors. For a metal door pair, the ABH 1860P/1862P automatic flush bolt pair is the cross-brand option, rated 3-hour fire with a thermal lock. Door material drives this choice - the 2960's preparation uses two 1-1/8 inch diameter holes suited to wood core and composite construction.
5) Is a 6 inch corner mount flushbolt like the Trimco 3999 a substitute for the Rockwood 2960?
No. The Trimco 3999 is a 6 inch corner mount flushbolt with a rounded end, and the 3999SE is the square end version of the same corner mount design - both are manually thrown by hand at the bolt. The Rockwood 2960 is fully automatic, so opening the active door retracts the top bolt without the user touching it, and it includes an override feature if the bolt head is blocked from entering the strike. On an opening specified for automatic operation, a manual corner mount bolt will not meet the requirement.
6) Does the Rockwood 2960 flush bolt have to be ordered by hand?
No handing to specify. The 2960 is non-handed, so one part covers either leaf of a pair, which keeps the stockroom simple for a property manager buying spares.
7) Do I still need screws and anchors, or does the Rockwood 2960 come with them?
Fasteners are in the box: 4 each #8 x 1 inch flat head sheet metal screws, 4 each #8 x 3/4 inch flat head combo screws, and 2 plastic anchors. You will still need to source strikes and any dust proof strike for the threshold separately.
8) Do I need a separate bottom bolt with the Rockwood 2960?
No, the bottom fire bolt is part of the 2960 assembly. You get the automatic top bolt that retracts with the active leaf plus the bottom fire bolt in the one set. Compare that to buying a standalone bottom unit like the ABH 1858 universal bottom fire bolt, which is a manual operation add-on.
9) We need the inactive leaf to be keyed rather than automatic - what replaces the Rockwood 2960?
For key control on the inactive leaf, look at the Adams Rite 1877 cylinder-operated flushbolt for paired wood doors, or the 1870 Series cylinder-operated flushbolt with key control. These are thrown and retracted by a cylinder rather than by the motion of the active door. The Rockwood 2960 has no cylinder - it is fully automatic, non-handed, and retracts the top bolt when the active door opens.
10) I only need the top automatic bolt and already have a bottom fire latch - what should I order instead of the Rockwood 2960?
The Ives FB42 WD is a top automatic flush bolt for wood doors supplied with an auxiliary fire latch, so it addresses the top leaf position on its own. The Rockwood 2960 is sold as an automatic flush bolt with a bottom fire bolt, covering both positions in one order. If the bottom of the inactive leaf is already prepped and fitted, the single top unit is the closer fit.
11) What is a simpler manual alternative to the Rockwood 2960 for a wood door pair that is not fire rated?
Where automatic operation is not required, manual flush bolts are the simpler route. The Delaney 6 inch square end solid brass flush bolt and the Orca Hardware 6 inch flush bolt with radius corners are both manually operated flush bolts mounted to the inactive leaf. The Rockwood 2960 differs in that it is fully automatic and is intended for fire rated wood core and composite doors, with a low 3 pound maximum closing force that keeps it ADA compliant.
12) Can I use an ABH 1858 bottom fire bolt in place of the bottom bolt that comes with the Rockwood 2960?
The ABH 1858 is a universal bottom fire bolt with manual operation, sold as its own unit. The Rockwood 2960 is supplied as an automatic flush bolt with its bottom fire bolt included, and its preparation is specific to the Rockwood face plate at 1-1/8 inch by 2-1/4 inch. Mixing a bottom bolt from another maker into a fire rated wood door pair means the assembly no longer matches the tested Rockwood arrangement, so treat the 1858 as a replacement for an ABH set rather than a component swap.
13) What is the difference between the Rockwood 2960 and a two-point flushbolt like the Adams Rite MS2180?
The Adams Rite MS2180 Series is an auto-release two-point flushbolt with a Smartlock mechanism, and the MS1880/MS1881 are two-point flushbolts with an interlock mechanism - both drive top and bottom from a single linked assembly. The Rockwood 2960 is an automatic flush bolt with a separate bottom fire bolt, prepared with only two 1-1/8 inch diameter holes in the door and adjustable vertically 1/2 inch at the bolt head rod for unusual clearances. The door preparation differs substantially between the two approaches, so they are not drop-in swaps for one another.
14) Will an Ives FB457 or FB358 manual flush bolt work in place of the Rockwood 2960?
Both are manual rather than automatic. The Ives FB457 is a manual flush bolt with a 12 inch rod length for metal doors, and the Ives FB358 is a manual flush bolt with a 3/4 inch throw and 1/2 inch bolt diameter. The Rockwood 2960 is a fully automatic bolt for fire rated wood core and composite doors that retracts the top bolt when the active leaf opens. If the specification calls for automatic operation on a wood pair, neither Ives manual bolt satisfies it.
15) What finish and material does the Rockwood 2960 flush bolt come in?
Brass construction, supplied in 630 satin stainless steel finish. That's the standard commercial match for satin stainless lever trim and push plates already on most institutional openings.
16) Is the Rockwood 2960 durable enough for a high traffic entrance pair?
Rockwood tested the 2960 past 1 million cycles, and it's a commercial grade part used in institutional buildings, offices, retail, education, detention, sports facilities, and hospitality. The smaller profile body also adds stability in the door edge.
17) For a residential-grade door pair, is there a lighter alternative to the Rockwood 2960?
Emtek flush bolts and the Delaney 7 inch slide type mortise-in flush bolt are decorative and residential-oriented manual flush bolts. The Rockwood 2960 is a commercial product tested over one million cycles and intended for institutional buildings, offices, retail, educational, detention, sports facilities, hotel and restaurant use as well as finer residences. Choose by traffic level and whether the opening is fire rated.
How fast can I get the Rockwood ROC-2960-US32D delivered?
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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 Rockwood ROC-2960-US32D come with a warranty?
Absolutely. The Rockwood ROC-2960-US32D 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 Rockwood ROC-2960-US32D?
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