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 Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods 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.
- Decorative finishes including 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 will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common 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.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
