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Passive Fire Protection in CLT Construction

Plumbing or electrical services that penetrate a CLT panel result in a hole in the fire cell for the service to pass through. The hole for the pipe or cables needs to have a PFP product applied to it to prevent the spread of fire beyond that fire cell.

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22 April 2024
29 August 2022

Penetrations in Membrane Roofs and Decks

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When detailing a membraned area, the selection of the outlet is of prime importance. 

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29 August 2022

Building Science Soup

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When it comes to understanding the flow of liquid water, air, heat and water vapour through our building elements, accurate nomenclature matters.

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25 August 2022

New Zealand Building Material Costs Continue to Soar Higher Even As Domestic Demand Softens

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Suppliers predict that building product prices will increase a further 9% over the next 6 months, according to the latest Construction Supply Chain Update from EBOSS.

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1 August 2022

2022 Construction Industry Confidence Report

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Building sector confidence plummets to new lows — 91% of builders say there is not enough qualified staff to meet demand. 

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25 July 2022

Above Sheathing Ventilation, Part 3: Fighting the Sun

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Harsh summer conditions expose roofs to severe solar radiation and add uncomfortable heat loads to our buildings. But the air movement induced by ASV can work to keep our buildings cool, no matter the cladding type or material colour.

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25 July 2022

Passive Fire Protection for Floor Penetrations in Multi-Unit Developments

Passive Fire Protection of Floor Wastes

Selecting the correct floor waste system can save time and materials by simplifying the passive fire protection of each penetration in your projects.

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25 July 2022

Encapsulation of Mass Timber with Intumescent Coatings Part 3: The Whole is More Than the Sum of its Parts

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We finish our three part series by showcasing how encapsulating mass timber elements with an intumescent protective coating provides a passive fire solution that is holistic and truly compliant.

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27 June 2022

Designing Medium Density Facades That are Practical as Well as Pretty

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A look at some of the key issues residents face with poorly designed facades and how they can be designed with both livability and aesthetics in mind. 

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27 June 2022

NZ Building Code: Clause H1 (Energy Efficiency) 5th Edition

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At present MBIE is considering extending the transition period for the implementation of the insulation requirements of the 5th Edition of NZBC clause H1 (Energy Efficiency) so as to allow industry more time to ready the supply chain. Perhaps this time could also be productively used to re-visit the Acceptable Solution minimum construction R-values requirements for the perimeter of roofs to consider if they make sense when the principles of heat transfer are applied.

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27 June 2022

Above Sheathing Ventilation, Part 2: The Blue Planet

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A look at the impact of water from the outside, the inside and within our buildings, and how above sheathing ventilation can keep the structure dry using proven building physics.

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