Specifying for Airtightness and Testing
The goal of the guide specification is simple. Help you define what you want (a demonstrated level of airtightness), and to get a fair price to prove it. You’d be surprised how often these seemingly obvious requirements are poorly defined in project specifications. So here’s…
Designing for Steam in Modern Buildings
We pipe water inside buildings, so what happens when we turn it into steam?
Fire Testing for Temporary Wall Cladding
A look at how a peel and stick weathertightness membrane performs in a fire when used as a temporary cladding. Combustible, not combustible, smoke development, spread of flame. Closed cavity, intumescent seals, peak heat release, total heat release. Too much information? What was the question…
Adding Insulation and Wall Underlay to Existing Walls
How can we safely add insulation to existing walls without risking trapped moisture and compromising durability? Whether you design for renovation work on a daily basis or you need to renovate your own house, it’s a very rare opportunity to make great improvements to the…
Water Resistant vs. Watertight
Protecting structure from moisture before, during and after construction is a code minimum requirement of B2 durability.
Where Does the Airtightness Layer Go?
Getting layering right in New Zealand buildings for summer and winter. Following on from the previous article, one of the ingredients in modern buildings is the creation of a deliberately airtight shell to conserve energy (warm or cool). We often hear about attempts to achieve…
Compatibility and Adhesion of Wet Seals and Sill Tapes
To help deal with the issue of sealants not bonding to substrates, pro clima will be offering a foil tape for window and door openings. We from pro clima have been working with Sika, Tremco and Bostik on this matter and have conducted several tests. While…
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