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InteriorInterior

Product Advice

The Relationship Between E1 and E2

There has been a recent trend for council RFIs and requests from specifiers around threshold detailing vs surface water drainage, with confusion around the separation of their functions. Threshold drainage and surface water drainage are designed to perform two different tasks. Here I outline some of the commonly queried situations.

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21 October 2024
21 October 2024

What Happens When a Warm Roof System with PIR Insulation Catches Fire?

Makita 1

When a roofer accidentally left his torch on near flammable materials, a fire started on a 15,000m² warm roof. So what was the damage? 

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21 October 2024

Permissible Variations

Permissible Variations

Understanding and applying Test Standard AS1530.4 — Section 10.12 Permissible Variations to projects can dramatically increase the availability of passive fire stopping solutions.

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Waterproofing: An Exact Science

preview Reroof Cover Image copy

The word ‘waterproof’ is an absolute term. It means ‘impervious to water’. Stating that a building is almost waterproof does not make sense.

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23 September 2024

Renewing Existing Roofs for Environmental Benefits

Life church

Revitalising ageing roofs through innovative renewal techniques offers a sustainable solution that extends building lifespans, reduces waste, and minimises environmental impact in the construction industry.

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23 September 2024

Flat Roofs and Internal Gutters: Controlling and Removing Rainwater

231 Archers Rd RW head and OFLOW

There are a range of approaches to how a low-pitched roof can be designed, it could include an internal gutter and/or drain into a rainwater head and the lowest point, or through a traditional roof drain outlet. 

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23 September 2024

Changing Perceptions on Mastic Asphalt: What You Should Know

IMG 9814

Like many long-lasting, tried and tested materials, mastic asphalt is being re-imagined, modified and re-examined as a highly relevant building solution for today. 

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23 September 2024

Short-Term Protection of Laminated Timber Products: The (Not So) Good Oil

1024px Onex StMartin interieur 11

Engineered laminated timber — beware of short term protection that leads to longer term pain.

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26 August 2024

Exploring Green Roof Types: From Extensive to Blue-Green Systems

Green Roof Waiheke 1 copy

Green Roofs are a complex system that requires careful consideration of multiple factors, including weight, water retention, and the type of vegetation.

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26 August 2024

How Advanced Glass Technology Can Mitigate Solar Overheating in Modern Classrooms

NPGHS School Hall 3 copy

The right glass selection can mitigate the effects of solar heat gain while allowing outdoor views and natural light, creating a more comfortable learning environment for students and teachers, while not requiring extra ongoing operational costs. 

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Considerations for Membrane Cold Roof Ventilation

skillion or flat roof ventilation copy

The term cold roof can be a little misleading. We call them ‘cold’ due only to placement of the insulation being separated from the membrane substate, or more technically; the internal air can circulate underneath the roof.

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