Design
Whether you build or we build, you can choose from our stock plans, your own plans, or we can help you design the home of your dreams. Our design personnel will work with you on creating the home you desire at the price you need.
For ideas on "SIP friendly" designs please visit the link below:
http://www.insulspan.com/plan_book/idea_plans.html

What Our Customers Have To Say
When it comes to saving energy and lowering heating/cooling costs...SIPs can't be beat! We love how cheap it is to heat and cool our house. The construction time was also amazingly fast! We broke ground and moved into our house in a fraction of the time compared to the other stick-built homes in our subdivision. The work crew and supervisor did a fantastic job and were a pleasure to work with. Building a home was a great experience with Extreme Structures and we will do it again in the future!
-Jeremy and Kristin
Click Here to Read More Customer Testimonials
Featured Projects
Extreme Structures is proud to be the designer and builder for the new exhibit building for the Rogers Street Fishing Village located in Two Rivers, WI. The new building will be constructed with a timber frame and structural insulated panels. Construction is currently underway and expected to be completed this Fall.




