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' . <br /> ,� � �� A TI-ES <br /> �Code Compliance Research Report CCRR-0101 <br /> � Page 5 of 6 <br /> AIEK DECItING IS ATTACHED TO <br /> � EACH STRINGER. SEE BELOVI+ <br /> ��,'•, FOR FASTENING. <br /> � ,. <br /> � � <br /> �._.... .. _ � .___.. <br /> f--- _ _ <br /> � ��i � <br /> � <br /> `� .._ " .1 _ _. <br /> \ -- <br /> �`- � ( <br /> � �.�x � <br /> SPAN <br /> BOARD TYPE MAX. SPAN FASTENING <br /> 1X5'/z Deck Board 9 Inches Two#7 x 2'/."deck screws <br /> 1x3'/e Porch Board 11 Inches One#7 x 2"trim head screw through tongue. End <br /> boards receive an extra screw through face. <br /> Figure 3-Stair Tread Installation with no additional support <br /> (Minimum tread length is 36") <br /> __ ATTACH 2?{6 TREATED S0.PINE IN CENTER AZEK DECKING IS ATTAGHEG TO <br /> ��� OF EACH TREAD AS SHOVVN USING A STRINGERS USING NUO(2)#8}{2-1 f1" <br /> ', SIMPSON A23 BRACKET AND 10d?C 1-1 I�" �— FLATHEAD WOOD SCREW'S PER <br /> '� GALV.JOIST HANGER NAILS '�``., STRINGER <br /> i �� `' <br /> , <br /> � r <br /> � -- � <br /> `�` '--j _ -� <br /> , <br /> � <br /> �� � <br /> ���� - � ___. _. <br /> ��`�� �� . _ <br /> � <br /> — ,�.�5�� --: � <br /> M�x <br /> _.__-- 36,. <br /> Figure 4-Alternate 1 X 5'/�Stair Tread Installation <br /> (2X6 additional support—Max span = 17.25") <br /> Architectural Testing. 130 Derry Court• York, PA 17406 717-764-7700 <br /> www.archtest.com <br />