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u �n�on� <br /> ����� <br /> 3...4...5...Triangle Method <br /> � Using two tape measures,locate point C by hooking <br /> one tap to a nail at point A and the second tape to a u <br /> nail at point B.Extend the tapes untii they cross and . � � . <br /> •• 4 g meet at 4'on the first tape and 5'on the second tape <br /> and place a temporary nail where 4'and 5'meet_ <br /> q ...the 4'and 5'measurements are <br /> the 4 and 5 sides of the 3_.4...5... <br /> 3 triangle. <br /> 3 . <br /> � <br /> � <br /> � 2 <br /> 2 <br /> 1 1 <br /> •• : <br /> �� � ' 3 -.,_ - <br /> 1 Establish a line from point A to point B by <br /> temporarily marking each point with a nail. <br /> The line must be parallei to the eave and in <br /> this example 3'long(this is the 3 side of the <br /> 3...4...S...Triangle). NOte: <br /> � For larger 3...4._S...Triangies multiple <br /> each side of the triangle by the desired <br /> increase in size. For example,if the roof <br /> panels are 25' from eave to ridge, <br /> multiply each side by a factor of 6 for an <br /> 78:..24_.30:..Triangle. Obviously, the <br /> closer the triangle vertical leg lenqth is <br /> �� � ' ' � to matching the panel lenqth, the <br /> greater the squaring accuracy. <br /> . <br /> . <br /> .� <br /> 3 � <br /> Hook a chafk line to point A and pull it in <br /> line with point C and mark a chalk line on <br /> the roof deck <br /> This wiil be the square reference line for <br /> �� � the MasterRib�panelinstaliation. <br /> _._ _ _.�._._.._...._. �. „� <br />