Air and vapor barriers are an integral part of any commercial structure and are required to meet WESC (Washington State Energy Code). From multi-level, single level special use and apartment blocks we can meet your testing needs for small, medium and large buildings.



We can complete your building testing and offer consultation during the building process. We offer solutions of how to improve building envelopes which will help save on energy costs for your building.

WSEC compliance has become stricter, let us get you through the process of getting passed the test the first time so that an occupancy permit can be issued. We work with county and city building inspectors to find solutions to any issues that could arise from poor construction methods.

Contact us today for a cost analysis of completing your commercial building envelope test.