WallGuard® Brick & Stone Sealing
Professional Wall Protection Since 1959
Trust our experienced team to protect your walls with our Brick & Stone Sealing program. Our three-stage process removes moss and grime and seals your walls.
Professional Brick & Stone Wall Sealing
WallGuard® removes organic growth from porous wall claddings and slows natural weathering.
The WallGuard® Wall Sealer system is a three-stage process that removes grime and unsightly organic growth from porous brick and stone claddings.
WallGuard® Wall Sealer works on Summerhill, Oamaru and Hinuera Stone, Concrete Block, and Red Brick.
Our experienced team uses specialised techniques to restore wall surfaces while providing long-term protection against weathering, organic growth, and water staining.
Wall sealing process
From inspection to final report
A simple three-step process for assessing, treating, and reporting on porous wall claddings.
Inspection of your property leads to a quote based on the work needed.
You review and sign a contract and we schedule the project.
Following the WallGuard® treatment, you will receive a Visual Appraisal Report.
Trainee of the Year 2026
Edwards & Hardy is proud to celebrate this RANZ Trainee of the Year 2026 recognition, reflecting the calibre of our people and our commitment to developing skilled roofing professionals.
Commercial Roofer of the Year 2024
Edwards & Hardy won the RANZ 2024 Commercial Roofer of the Year Award for their exceptional work in replacing the roof on the De Lautour Medical Centre.
Training Company of the Year 2023
Edwards & Hardy were honoured to be recognized as the RANZ 2023 Training Company of the Year, reflecting our investment in apprenticeship programs and hands-on industry education.
BRANZ
Edwards & Hardy is proud to have developed the BRANZ-approved DuraBond® product to meet New Zealand's challenging environmental conditions.
Materials and suppliers
Trusted for over 65 years
We take our property maintenance responsibilities seriously and are supported by a number of trusted suppliers and partners.
Project gallery
Project Gallery
Examples of WallGuard® brick and stone sealing work.
Questions
Frequently Asked Questions
WallGuard® Wall Sealer is our professional three-stage wall protection system designed to remove grime and unsightly organic growth from porous brick and stone claddings while sealing them against dampness. When untertaken regularly This comprehensive treatment restores walls to an "as new" appearance.
The system works effectively on various materials including Summerhill Stone, Oamaru Stone, Hinuera Stone, Concrete Block, and Red Brick. Our non-corrosive and biodegradable treatment provides long-lasting protection while being environmentally responsible.