or more screws 16 connect the wall panels 12 together in one embodiment these screws 16 are high tech 2 000 lb shear strength screws measuring u00bc u2033 u00d7 1 u00bd u2033 fig4 shows a roof to wall connector 30 that may be composed of 16 gauge red iron or other material the position of the roof to wall connector 30 can be seen in relation to the wall panels 12 and roof panels 14 in fig2 roof to wall connector 30 sits on the top of the wall panel 12 and connects the wall panel 12 to the roof panel 14 the roof to wall connector 30 may run the total length of the wall panel 12 or a portion of the length of the wall panel 12 the top linear portion of the roof to wall connector 30 is bent at an angle that facilitates the desired roof pitch of the building the connector is made of 16 ga red iron it sits on the top of the wall and connects the wall to the roof panel the connector usually comes in 16 feet lengths and runs the total length of wall the 5 u2033 side is bent at the angle depending on what the roof pitch is there are u00bc u2033 u00d7 1 u00bd u2033 tech screws that are screwed through the multiply of the panel the screws go through 4 layers of the tongue and groove at the point where the panels slide together the footer connector 20 in fig5 forms an u201c l u201d shape and may be made of 16 gauge red iron.