Tectonic - Home

Tectonic was bought out by
Insitu GRC in 2016

Insitu GRC continue to specialise in manufacturing a diverse range of custom concrete products - for home, garden and commercial situations. Supplying direct and all made right here in New Zealand!

Constructed from low maintenance Glassfibre Reinforced Concrete (GRC) our products are not only going to look fantastic,
Replication of natural stone in a variety of colours and textures is possible when GRC is specified. GRC technology is also widely recognised as superior alternative to imported stone for historical replication where reproducing elements and achieving an aged appearance is required but last for years too.

Please enjoy browsing our website. We look forward to bringing your dreams and ideas to life!

Overseas outdoor living magazines are full of photos of stunning entertainment areas with gas fireplaces, outdoor kitchens, water features and planters. These looks are now achievable here in New Zealand thanks to our specialist manufacturing techniques.
Tectonic now Insitu GRC brings you New Zealand’s most diverse range of custom GRC concrete products for the home and garden. From low maintenance concrete furniture, pots and planters, modular walling, outdoor fires and water features, to custom commercial design and hospitality fit-outs. Insitu GRC can even create the kitchen bench top of your dreams or add the finishing touch to your home heating with a gorgeous fire surround and hearth.

We provide you with a comprehensive range here on our website. But if you don't see exactly what you're looking for, we can also custom make specialised pieces too.

Please feel free to CONTACT US to discuss custom design for your home, landscaping or commercial project.