![Insulated Rim Joists by Dr. Energy Saver® in Duluth, MN](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266438-5e9f4c1686a7f_2019-05-1945631pm-3.jpg?v=1587497387)
Insulated Rim Joists by Dr. Energy Saver® in Duluth, MN
These rim joists are now "Rim Tight" thanks to closed cell spray foam.
![Before Photo of Rim Joists](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266439-5e9f4c2a19896_image-6.jpg?v=1587497387)
Before Photo of Rim Joists
The previous insulation was not properly sealed. This brings outdoor air into a home and allows moisture and allergens inside.
![Closed Cell Spray Foam Insulation](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266440-5e9f4c1b68867_2019-05-1945631pm-5.jpg?v=1587497387)
Closed Cell Spray Foam Insulation
The rim joists were a problematic area for heat loss. Closed cell spray foam has stopped this from occurring.
![Insulated Rim Joists in Duluth, MN](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266441-5e9f4c2d62a80_2019-05-1945631pm.jpg?v=1587497387)
Insulated Rim Joists in Duluth, MN
Dr. Energy Saver® offers solutions for increasing the energy efficiency of a home. Solutions like rim joist insulation are great for improving the energy efficiency of the entire home.
![Spray Foam and Piping](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266442-5e9f4c324db7b_2019-05-1945631pm-4.jpg?v=1587497387)
Spray Foam and Piping
Spray foam can be applied around pipes or electrical boxes with ease. This makes installation quick and effective!
![Rim Tight Joists](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266443-5e9f4c202954c_2019-05-1945631pm-1.jpg?v=1587497387)
Rim Tight Joists
These joists are now completely sealed thanks to closed cell spray foam.
![Window Insulated With Closed Cell Spray Foam](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/266444-5e9f4c2575219_2019-05-1945631pm-2.jpg?v=1587497387)
Window Insulated With Closed Cell Spray Foam
This window was leaking near its connection to the ceiling. Closed cell spray foam was a great solution to seal this off.