The following pictures show details of the Easygrow fit and finish details.
These butterfly fasteners are the key to easy assembly. No
tools required except to fasten the door to the jamb. That involves 12
phillips screws.
The fit of the end wall to the tunnel is very tight. In colder
climates, caulking of all seams with GE silicone is recommended for heat
retention.
A full length nylon web handle is ideal for anchoring when the
use is seasonal. Beware of high winds and their effect on the structure
when anchored temporarily. You really need heavy weight in each of the 4
corners to battle the forces of high winds on the structure. This is
physics territory, not warranty territory. Although the structure can
handle high winds, wind damage from any shifting of the structure is the
responsibility of the owner.
The clean smooth fit of the end wall is on the inside too.