![Material being brought to roof](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73095-2014-12-01-090209.jpg?v=1458129655)
Material being brought to roof
A Crane had to be brought in to bring the material to the roof due to the height of building.
![Part of Main Street closed off](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73099-2014-12-01-110517.jpg?v=1453422558)
Part of Main Street closed off
North Main Street blocked off.
![Crane and material truck](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73096-2014-12-01-091209.jpg?v=1453422558)
Crane and material truck
We had to close off a portion of Main Street to bring the material to the roof via a crane.
![Material being delivered](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73097-2014-12-01-091829.jpg?v=1453422558)
Material being delivered
PolyIsoCyanurate being delivered to the roof top
![Installing TPO around skylight](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73093-2015-06-23-171747.jpg?v=)
Installing TPO around skylight
TPO being installed around skylight
![Crane and material truck](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73098-2014-12-01-093758.jpg?v=1453422558)
Crane and material truck
Material being delivered to job site.
![Crew installing TPO](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73101-2014-12-01-160213.jpg?v=1453424005)
Crew installing TPO
Our crew fastening TPO to insulation board.
![Crew welding TPO](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73102-2014-12-01-162702.jpg?v=1453424005)
Crew welding TPO
Our crew welding TPO plies together with a welding robot.
![Crew fastening TPO](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73103-2014-12-01-163125.jpg?v=1453424005)
Crew fastening TPO
Installing plates and screws in TPO membrane.
![Crew mechanically fastening TPO](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73104-2014-12-01-163941.jpg?v=1453424005)
Crew mechanically fastening TPO
Crew installing plates and screws in TPO membrane.
![Crew Fully adhering membrane](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/73105-2014-12-02-104933.jpg?v=1453424005)
Crew Fully adhering membrane
Bonding adhesive used to glue down TPO to ISO board.