Building

Success story

Keeping campus roofs cooler, quieter and less corrosive

PROJECT OVERVIEW

Our underlay helped the University of West Oahu extend the life of its zinc roofs, solving the problem of corrosion and high cooling costs.

22-43°C

reduced rooftop temperature

50%

less rainfall noise

Corrosion on campus

Zinc roofs on five buildings at the University of West Oahu in Hawaii were corroding, and unlikely to last their 100-year design lifespan. The university sought a roof system with ventilation to reduce the condensation that gets trapped behind the zinc panels, speeding up corrosion. It also needed to cut cooling costs.

New material

Our Enkamat ASV 7010 material is ideal for zinc roofs, because it prevents white rust caused by condensation. And by creating an airspace of less than ¾ of an inch, it lowers the roof temperature from between 22°C and 43°C. The three-dimensional nylon matrix structure is made from fused, entangled filaments – with 95% open matting. This provides continuous air and water flow, so there is less chance of damage caused by corrosion, rot, mould and mildew.

Customer

University of West Oahu

Location

Hawaii

Application

Carrier & Reinforcement for Bitumen Waterproofing Membranes

Carrier & Reinforcement for Breathable Membranes

Exterior Cladding Underlays

COOL AND QUIET

 As well as solving the corrosion and cooling cost issues, we were able to halve rainfall noise. The American-made Enkamat has once again proven itself as a flexible, durable material in even the most extreme environments.

PRODUCTS USED ON THIS PROJECT

Enka®3D Entangled Mats

The open, resilient structure of Enka3D Entangled Mats is ideal for ventilation, drainage, sound reduction and many other uses.

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Enka®RoofVent

A sturdy mat of entangled nylon filaments, EnkaRoofVent provides a supportive spacer between metal roof panels and the substrate.

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AREAS OF APPLICATION

Carrier & Reinforcement For Bitumen Waterproofing Membranes

The unique features of Colback nonwovens ensure excellent performance in manufacturing and end-use.

Carrier & Reinforcement For Breathable Membranes

Colback nonwovens produce high performing breathable membranes, and make manufacturing easy and efficient.

Exterior Cladding Underlays

Separating the moisture-resistant air barrier from all types of cladding, enabling drainage and evaporation.

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