2017
National Army Museum
The Museum is a dramatic, award winning structure, built next to the Army’s main training base at Waiouru in the Central Plateau area of the North Island. Located only a few kilometers from three huge active volcanoes, it is subject to extreme weather conditions including heavy snow falls in winter, strong winds and hot summer temperatures.
Project Requirements
For many years the main gallery of the museum, which houses irreplaceable valour medals, artifacts and displays, had experienced problems with water leaks. Considering the historic value and rarity of the museum’s collections, these leaks were causing concern in both Army and Government circles.
Challenges
- Extreme weather conditions (application and curing at cold temperatures)
- Installation without disturbing the museum’s day-to-day activities
- A combination of liquid and sheet-applied options to allow for both tricky detailing and ease of installation
Sika Solution
The recommendation was to install mechanically fixed Sarnafil® S 327-20 L through the existing membranes and into the timber purlins of the roof structure. The advantages for the museum included:
- No removal of the existing membrane which meant that exposure to the weather was minimal and the priceless exhibits would remain protected during installation
- Heat-welded seams so the laps of the membrane would not let go as the failing rubber membrane had
- Great thermal stability, especially at lowtemperatures, which was important for a site which gets heavy snow falls in winter and an average temperature of just 9°C.
Project Size
1200 m²
Products Used
Sarnafil® S 327-20 L
SikaRoof® MTC-22 (now SikaRoof® i-cure)
Sarnafil® Walkway Pads
Sarnafil® S-UniBase
Sarnametal®
