
Lockwood 3570 Series Coverplate - SP3570-5036SSS
The Lockwood 3570 Series Coverplate is designed to provide a clean and professional finish when installing mortice locks into timber doors. It is commonly used to cover oversized or modified door preparations, ensuring a neat and consistent appearance.
This model is specifically suited for use with Lockwood Selector 3770 Series mortice locks. It assists installers in achieving a secure and visually uniform installation where door cut-outs require coverage or correction.
Finished in Satin Stainless Steel, it provides a neutral appearance suitable for commercial and institutional environments.
Typically ships in 10 business days
Key Features
- Designed to cover oversized or modified mortice lock cut-outs
- Compatible with Lockwood Selector 3770 Series mortice locks
- Improves finish quality of door installations
- Suitable for timber door applications
- Helps achieve consistent alignment and presentation
Suitable Uses
- Timber door installations using mortice locks
- Covering oversized or misaligned door preparations
- Commercial and institutional door hardware upgrades
- Retrofit applications where existing cut-outs need concealment
Full Specifications
Frequently Asked Questions
Is this coverplate suitable for fire doors?
Manufacturer documentation does not confirm fire rating for this accessory. Fire door use should be assessed as part of the complete door assembly.
Does this include mounting hardware?
Mounting hardware is typically supplied, but installers should confirm based on project requirements.
What is a common installation mistake?
Using a coverplate to compensate for incorrect mortice lock positioning instead of correcting the door preparation.
Additional Information
- Commonly used in retrofit situations where existing door cut-outs are oversized or damaged.
- Frequently specified in Australian commercial door hardware upgrades.
- Does not alter lock function - purely a finishing and corrective component.
- Installers should ensure alignment with lock body and faceplate before fixing.
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 3700 Series Mortice Locks Service Manual

Lockwood 3700 Series Mortice Locks Service Manual
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.