Gunther Premier Plus Mirror Mastic | Mirror-Safe Adhesive 300ml

SKU: Gunther

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Quantity

Description

Please Note: Allow approximately 1.5 tubes per 1m² of mirror. Coverage may vary depending on application.

Introducing Gunther Premier Plus Mirror-Safe Mirror Mastic, a professional-grade adhesive designed for the secure installation of mirrors. Its high-strength, flexible formula provides a reliable bond between mirrors and suitable mounting surfaces, making it ideal for residential and commercial applications.

Mirror-Safe Formula — specially formulated for use with compatible mirror backings, helping protect the reflective coating from damage.

Strong, Reliable Bond — provides excellent adhesion for securely mounting mirrors onto suitable surfaces.

Professional-Grade Adhesive — designed for residential and commercial mirror installations, including bathrooms, studios and gyms.

Flexible Bond — maintains flexibility after curing to accommodate minor movement and vibration.

Easy Application — applied in vertical beads for controlled, consistent adhesive coverage.

Long-Lasting Performance — formulated to provide a durable bond for permanent mirror installations.

PRODUCT	Mirror-Safe Mirror Mastic
BRAND	Gunther Premier Plus
TYPE	Professional Mirror Adhesive
FORMULA	Urethane-Based Mastic
APPLICATION	Cartridge / Caulking Gun
SUITABLE SURFACES	Approved, Properly Prepared Timber, Drywall & Other Compatible Substrates
SUITABLE FOR	Residential & Commercial Mirror Installations
FINISH	Flexible, Durable Bond
CURING TIME	Approximately 7 Days (Full Cure)
DIRECTIONS	Apply Vertical Beads to a Clean, Dry, Approved Surface Following Manufacturer Instructions

Directions for Use

Ensure the mounting surface is clean, dry, structurally sound and free from dust, grease and loose paint. Porous surfaces, including timber, plasterboard and concrete, must be properly sealed with a compatible primer before installation.
Apply mirror mastic in vertical beads approximately 10mm thick and 125–150mm apart, leaving approximately 75mm clearance from the mirror edges.
Carefully position the mirror against the prepared surface and press firmly into place.
Ensure the mirror is securely supported with suitable mechanical fixings at the top and bottom. This may include properly secured timber supports designed to carry the mirror's weight during and after curing.
Allow approximately 7 days for the adhesive to fully cure, depending on environmental conditions.
Please Note: Suitable for compatible standard silver-backed glass mirrors and approved mounting surfaces. Do not apply directly to vinyl safety backing, wallpaper, painted surfaces or chemically treated timber. Mechanical support is required for safe installation.

Shipping

We are pleased to offer Free shipping on all mirror orders across Australia.

Please allow 2-8 business days to receive your order

Additionally, our Damage-Free Guarantee ensures that if your mirror arrives damaged, we will provide a replacement at no additional cost.

Tracking details will be provided after dispatch

Warranty

For added peace of mind, our Reflect-Tech Mirror & Glass Cleaner is backed by our commitment to quality and customer satisfaction. For more information about our warranty conditions, click here.

Features

Mirror-Safe Formula

Specially formulated for use with compatible mirror backings, helping protect the reflective coating from damage.

Strong, Reliable Bond

Provides excellent adhesion for securely mounting mirrors onto suitable surfaces.

Professional-Grade Adhesive

Designed for residential and commercial mirror installations, including bathrooms, studios and gyms.

Flexible Bond

Maintains flexibility after curing to accommodate minor movement and vibration

Easy Application

Applied in vertical beads for controlled, consistent adhesive coverage

Long-Lasting Performance

Formulated to provide a durable bond for permanent mirror installations

FAQ

Is Gunther Premier Plus Mirror Mastic safe for mirrors?

Yes! Gunther Premier Plus is specifically formulated for installing compatible glass mirrors without damaging their reflective backing. It is suitable for standard silver-backed mirrors, provided the backing is compatible with the adhesive.

How many tubes of mirror mastic do I need?

As a general guide, we recommend approximately 2 tubes per 1m² of mirror. Each 300ml cartridge covers approximately 0.65m² when applied according to the manufacturer's specifications. Coverage may vary depending on the mounting surface and application.

How long does mirror mastic take to fully cure?

Gunther Premier Plus takes approximately 7 days to fully cure, depending on temperature, humidity and application conditions. Mirrors must remain securely supported throughout the curing process.

What surfaces can mirror mastic be applied to?

Gunther Premier Plus can be applied to compatible, properly prepared surfaces, including timber, plasterboard and concrete. Porous surfaces must be appropriately sealed or primed before installation.

Can mirror mastic be used for large or heavy mirrors?

Yes! Gunther Premier Plus is designed for residential and commercial mirror installations, including large bathroom mirrors, gym mirrors and studio mirrors. Suitable mechanical supports must be used to safely carry the mirror's weight during adhesion.

Shipping

Fast shipping

We are pleased to offer Free shipping on all mirror orders across Australia.

Standard 2-8 Business Days