Special Features

Z-Purlin to Rafter 10 Flange and STC-MSC Roof Trans Exp

** Maintain 3 1/2" between fixed and sliding purlin during building erection.

* Finger tighten 1st 1/2" dia. nut to hard washer, wrench tighten second nut to first nut to create a sliding connection.

RAKE ANGLE (A-20-B)

CL

2 1

4 1 2 "

4 "

(2) #12-14 X 1" PANCAKE HEAD (AT EACH PURLIN)

1" REF PT

(4) 1/2" X 1 1/4" BOLTS

SLIDING PURLIN

FIXED PURLIN

1 1 4 "

1 3 8 " 4 1 4 "

XBC-97 * (2) 1/2" X 1 3/4" BOLTS w/ (2) NUTS AND (1) 1/2" HARD WASHER AT SLOT (BOLTS MUST BE CENTERED IN SLOT

**3 1 2 "

3 1 4 "

ANGLE FLANGE BRACE (SEE CROSS SECTION FOR PIECE MARK AND BOLTING CONNECTION, INSTALL ONLY ON FIXED PURLIN SIDE)

FRAME RAFTER

SPECIAL PUNCH 9/16" HOLES AT 1 3/8" DIM A AND 4 1/4" GAGE IN BOTH PURLINS