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� <br /> UNION <br /> ���� <br /> 3...4...S...Triangle Method <br /> Z <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 <br /> �� naii at point B.Extend the tapes untii they cross and <br /> 4 <br /> 5 meet at 4'on the first tape and S'on the second tape � ` `- <br /> and place a temporary nail where 4'and S'meet. <br /> 4 _.the 4'and 5'measurements are <br /> 3 the 4 and 5 sides of the 3...4...5._ <br /> triangle. <br /> � 3 <br /> ; <br /> � <br /> � 2 <br /> 2 <br /> . <br /> , <br /> 1 � <br /> �• � <br /> •� 1 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 parallel to the eave and in <br /> this example 3`lonq(this is the 3 side of the <br /> - 3...4...S...Triangle). NOt@: <br /> � For larger 3._4...S...Triangles multiple <br /> each side of the triangle by ihe desired <br /> increase in size. For example,if the roof <br /> panels are 25' from eave to ridge, <br /> multiply each side by a fact+�r of 6 for an <br /> 18:_24:..30:..Triangle. Obviously, the <br /> �� �- „ + _ closer the triangie vertical deg length is <br /> to matching the panel length, the <br /> greater the squaring accuracy. <br /> � <br /> � <br /> � 3 .- <br /> {� <br /> Hook a chalk 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 will be the square reference line for <br /> �� the MasterRib�panei insta�lation. <br /> � <br />