Lockwood 3542 Short Backset Mortice Deadlock & 90 Degree Lever - Satin Chrome
The Lockwood 3542 Short Backset Mortice Deadlock with 90 Degree Lever is a compact locking solution designed for narrow stile sliding and swing doors. It combines a mortice deadlock mechanism with a 90 degree lever for controlled operation.
Part of the Lockwood 3540 Series, this unit is commonly specified in commercial aluminium door systems where space constraints require a short backset configuration and reliable deadlocking performance.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice deadlock for narrow stile doors
- Includes 90 degree lever operation
- Suitable for sliding and swing door applications
- Tested to Australian Standards
- Compatible with restricted keying systems
- Part of Lockwood Synergy mortice lock range
- Available in left and right hand configurations
- Durable commercial grade construction
Suitable Uses
- Commercial aluminium sliding doors
- Narrow stile door systems
- Office and retail security applications
- Fabricator door assemblies
- Applications requiring compact mortice locking solutions
Specifications
Item Code Family - Lockwood 3542 Short Backset Mortice Lock Variants
Frequently Asked Questions
What doors is this lock suitable for?
It is designed for narrow stile sliding and swing doors in commercial applications.
Is handing important?
Yes, this model is available in left and right hand variants and should be selected accordingly.
Can it be used with restricted keying?
Yes, it supports restricted keying when paired with compatible cylinders.
Additional Information
- Commonly specified in Australian commercial door hardware applications.
- Short backset allows installation in tight aluminium profiles.
- Correct handing selection is essential for proper installation.
- Part of the Lockwood Synergy mortice lock system.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
Lockwood Synergy Mortice Locks Catalogue
Lockwood Synergy Mortice Locks Catalogue
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.
