Wika Adjustable Lock Striker

The Wika Adjustable Striker Plate is engineered to eliminate mechanical play and ensure precise sash engagement in aluminum doors. Constructed from high-grade stainless steel and featuring millimetric adjustment capabilities, it ensures a secure, tight seal that fully restores the system’s acoustic and thermal insulation properties.

This product has only one variant.

Description

Wika Adjustable Striker Plate: Precision Engineering for Perfect Sealing & Silent Operation

The Professional Solution for Sash Sag, Air Leakage, and Hardware Failure in Aluminum Systems

In modern architectural projects and premium building envelopes, progressive sash sag, deterioration of EPDM weather-stripping, and mechanical play are the most common post-installation challenges. Structural micrometric shifts, seasonal thermal expansion, and the natural wear of multi-point locking systems often cause the locking tongue to misalign with the frame—leading to heat loss, acoustic infiltration, and destructive shear stress on the Espagnolette.

The Wika Adjustable Striker Plate is a high-precision mechanical component engineered to neutralize these defects. Featuring micrometric adjustment mechanisms on both horizontal and vertical axes, it allows for seamless calibration of the sash-to-frame engagement without the need for re-drilling or dismantling the Espagnolette.

Operational Mechanism & Engineering Advantages

The ergonomic design and angled seating of the adjustment grooves ensure flawless performance under continuous load:

Millimetric Tongue Calibration: Corrects the angle and engagement depth of the locking tongue, eliminating play caused by sash sag.
Optimized Gasket Compression: By drawing the sash toward the frame during the final locking stage, weather seals achieve maximum compression, fully restoring acoustic and thermal insulation.
Uniform Stress Distribution: Prevents asymmetric friction on the frame edge, extending the internal Espagnolette mechanism’s lifespan by up to 3x.
Non-Destructive Installation: Re-adjusts the door’s operation in seconds by loosening two adjustment screws—preserving the profile’s anodized or powder-coated finish.

Why is the Wika Adjustable Keeper essential for luxury projects?

Silent Operation: The geometric design of the guide groove ensures a soft, “Mute” closing experience.
Superior Corrosion Resistance: Unlike standard galvanized steel plates that peel or undergo galvanic corrosion against aluminum profiles, Wika hardware maintains metallurgical stability in humid and coastal environments.
Long-Term System Stability: Prevents structural deformation of the lock, ensuring 100% secure engagement of the locking tongue.

FAQs:

How does it differ from a fixed keeper? Fixed models misalign with even minor sash sag, requiring re-drilling. The Wika Keeper allows for rapid, micrometric adjustment via sliding grooves.
Is it suitable for UPVC? No. The Wika Adjustable Keeper is specifically engineered for the exact geometric tolerances of aluminum profile channels (Normal & Thermal Break).
How is adjustment performed? Simply loosen the connecting screws, slide the component to the optimal engagement point, and re-tighten. No dismantling required.
How often is re-adjustment needed? Thanks to the anti-slip serrated design of the screw seating, the component remains stable for years, barring extreme structural shifts or heavy-duty sash sag.