Shell Performance

Exterior Enclosure Performance Requirements

  1. All exterior walls should be R20 minimum total insulating value.

Roofing Performance Requirements

  1. All new roofs shall carry a minimum 5 year warranty. Proof of warranty required upon project completion.
  2. All roofs should be constructed with a minimum construction rating of R40.
  3. All new roofs must be designed to meet all OH&S requirements including all necessary maintenance and service work tie-off points.