Lockwood 3541 Short Backset Mortice Lock 28mm Bolt - Satin Chrome
The Lockwood 3541 Short Backset Mortice Lock is a commercial grade locking solution designed for narrow stile doors where standard backset locks are not suitable. Featuring a 28mm swing bolt, it provides secure engagement for both hinged and sliding door applications.
The 3541 model incorporates a hooked deadbolt mechanism that engages into a compatible strike for enhanced holding strength. This makes it particularly suitable for aluminium framed doors commonly found in architectural and commercial environments.
- Short backset mortice lock for narrow stile doors
- 28mm swing bolt for secure engagement
- Hooked deadbolt design for sliding and hinged doors
- Operable by key, turnknob, escape turn or handle
- Positive locking action when bolt is fully thrown
- Suitable for high use commercial environments
- Compatible with restricted keying systems
Suitable Uses
- Aluminium framed sliding doors
- Narrow stile hinged doors
- Commercial and retail fit-outs
- Architectural glazing systems
- Institutional and public buildings
Specifications
Dimensions
Frequently Asked Questions
Is this suitable for sliding doors?
Yes, the hooked deadbolt design is specifically suited for sliding door applications.
Can this be used with restricted key systems?
Yes, it is compatible with restricted keying systems depending on cylinder selection.
What is a common installation mistake?
Incorrect strike alignment can prevent proper bolt engagement and reduce security.
Additional Information
- Commonly used in Australian commercial aluminium door systems.
- Hooked bolt provides improved holding strength compared to straight deadbolts.
- Requires correct strike selection for optimal performance.
- Frequently specified in shopfront and glazed entry systems.
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)
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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.
