Wednesday, October 19, 2011

Week 1, Fall 2011

This is the first week back from summer break and I am pleased to say that we have a full class of very enthusiastic students. For lab this week we started finishing off our super insulated envelope enclosure on the Zero Energy House.

What is seen on the outside of the building is an air sealing product called WET-FLASH that has been donated by our friends at Building Envelope Innovations. This is a role-on product that seals the walls off and limits air travel through the envelope while still allowing the assembly to dry and not hold moisture.

The windows shown were purchased from Milgard Manufacturing and are triple glazed and have a U-factor of .25. The doors are also from Milgard and are fiberglass with an insulated core and have a U-factor of .29.

The insulation installed on the foundation wall is two inch rigid and is fastened to the stem wall with deck screws and fender washers. The walls are covered with two layers of ¾” thick R MAX rigid insulation. The two layers are installed so the seams of the insulation are overlapped both horizontally and vertically.

This is a wonderful project and students are very excited to be a part of it. The web site will be updated on a weekly basis to keep people informed about progress.


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