3572 MORTICE VESTIBULE PRIMARY LOCK — 60 mm Backset — Satin Chrome
The Lockwood Synergy 3572SC is a vestibule mortice lock with a 60 mm backset, supplied in Satin Chrome. Designed for heavy-duty use in commercial and institutional buildings, it offers versatile latching functions operated by key or handle outside and by turnknob, key or handle inside.
Key Features
- Primary vestibule lock body (3572 platform).
- 60 mm backset (standard). Extended backsets 89 mm and 127 mm available in other codes.
- Deadlatch mechanism provides automatic locking when the door closes.
- Compatible with most Lockwood rose and plate furniture including Brass Door Furniture, Daintree, Aquileart, Artefact Series II, and Ovation Series.
- Reversible handing for left- or right-hand doors without case disassembly.
- High strength zinc alloy case with stainless steel cover plate.
Fire Rated
- Successfully tested up to 4 hours on fire door assemblies (AS 1905.1, Part 1), subject to doorset compliance.
Specifications
- Item Code: 3572SC
- Function: Vestibule lock, primary mortice body
- Backset: 60 mm
- Bolt: Deadlatch (15 mm stainless steel latchbolt with auxiliary latch)
- Door Thickness: 32–50 mm (with packs available for thicker doors)
- Fixing: Standard mortice installation
- Handing: Reversible
- Cylinders: Lockwood 570 oval brass cylinder platform (keying to differ, master key and restricted options)
- Standards: AS 4145.2—Durability D8; Physical Security S7
- Finish: Satin Chrome (SC)
What's In The Box
- 3572 mortice vestibule lock body (60 mm backset)
- Faceplate and strike plate (SC finish)
- Fixing screws
- Installation instructions
Suitable Uses
- Commercial and institutional doors requiring vestibule or latch functionality.
- Fire-rated doors in offices, schools, hospitals, hotels and similar buildings.
- Applications needing compatibility with a wide range of Lockwood plate furniture.
Warranty
- Lockwood 25 Year Mechanical Warranty covers mechanical components and workmanship under normal use and correct installation.
- Electronic and electrical components are covered for 3 years (PADDE & electric mortice locks 5 years, batteries excluded).
- Keys are covered for 12 months.
- Finish warranty varies by finish type and exposure — e.g. Everbrass 25 years; Stainless/Chrome/Anodised 10 years; PVD/VIVID 10 years; Symmetry range 5 years; decorative finishes such as bronze, antique and powdercoat 2 years (natural brass ageing excluded).
- Warranty excludes misuse, improper installation, modification, or failure to maintain as specified.
Download PDF Resources
| Lockwood Selector 3700 Series Mortice Locks Catalogue | |
| Lockwood Synergy Mortice Locks Catalogue | |
| Lockwood 25 Year Mechanical Warranty (Conditions Apply) |

Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants): typically up to 2 years against corrosion.
- Unlacquered brass finishes naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.
