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<br /> 1982EDITION �'��' � ,��` �
<br /> 32•8 � , ��? ��.�z; "
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<br /> dJN9FORFUI�UILDING CODE STANDARD NO.32-8 °' �` � '
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<br /> WOOD SHAKES °_�;`� ��� W;
<br /> E3aser9 0��s�aeBeng ar�d F�acking Rules for Red Cedar Shakes of the
<br /> Red Ceciar Shingle&FOandsplit Shake Bureau,1975 �'�`s
<br /> ��� ,�� �
<br /> See Section 3203(c)2,Uniform Butlding Code � � `r,�
<br /> � �OPe ,,:��r �d��'� r:
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<br /> Sec.32.801. Wood shakes shall be manufactured and graded in accordance with ���� �' °+
<br /> this standard and their use shall be governed by the provisions of Chapter 32 of the �"� �'
<br /> Uniform Building Code. �' a ��
<br /> ���� ,
<br /> � DefiniNons �,���� �
<br /> Sec.32.802. HANDSPLIT-AND-R�S�LWN SHAKES have split faces and sawn �''�s, "
<br /> backs, and are produced by running cedar blanks or boards of proper thickness ��'�' �'
<br /> diagonally through a bandsaw to produce two[apered shakes from each blank. ��'". ` g
<br /> 3TRAIGHT-SPLIT SHAKES are manufactured in the same manner as taper- �„� .�, ���''����
<br /> split shakes except that the splitting is done from one end of the block only,produc- �`�k �r!�r�'
<br /> ing shakes which are the same thickness throughouL � �`.� '
<br /> � +
<br /> TAPER-SAWN SHAKFS are sawn both sides,with edges sawn or split,and are �,-'�,��;�F'�� `� t
<br /> 18 or 24 inches in length. �„ � �
<br /> x.€ TAPER-SPLIT SHAKES are produced by hand, using a sharpbladed steel froe � `
<br /> �f ���s�� :
<br /> and a wooden mallet.A natural shingle-]ike taper, from butt to tip, is achieved by k ,;�, �
<br /> ,: teversing the block,end-for-end,with each split.
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<br /> �� Quality Standards � u
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<br /> ��v Sec.32.803. Shakes shall be 100 percent clear,graded from the split face in the °
<br /> �,' case of handsplit-and-resawn shakes and from the best face in the case of taper-split, �ca � t "
<br /> "'` taper-sawn and straight-split shakes. ` � '`
<br /> �'�`��
<br /> Shakes shall be 100 percent heartwood,free of bark and sapwood,except that not { �'
<br /> � a�tn exceed%inch of sapwood permitted on one edge. ��'� �'
<br /> r �, ,;,�ry�a-
<br /> Taper-split shakes and straight-split shakes shall be 100 percent edge-grain; ° !
<br /> handsplit-and-resawn and taper-sawn shakes may indude not to exceed 10 percent y�t� ' 3
<br /> of flat-grain in the lineal inches of any bundle. -
<br /> �� ;
<br /> Curvatures in the sawed face of handsplit-and-resawn shakes shall not exceed 1 ,�. �
<br /> inch from a level plane in the length of the shake.Excessive grain sweeps on the split '�
<br /> + face shall not be permitted. , „��'' `
<br /> Si28 �� ��`� • t�
<br /> � Sec.32.804.(a)Length. Nominal shake lengths shall be 15 inches, 18 inches or ' ';`"� �`
<br /> ��,24 inches, within a minus tolerance of %z inch. A variation, including shims or t� 4
<br /> c * z,'
<br /> �:�'eathertips,of 1 inch from these nominal lengths shall be permitted in 5 percent of �����`� �
<br /> ` 'tlte lineal inches of shakes in any bundle.See Table No.32-8-A.The 15-inch starter- ���,^ :;
<br /> � iinish course grade shall permit a tolerance of 1 inch over and under the nominal 15-
<br /> �. .� � :
<br /> � inch length. '-
<br /> "�� (b)Thickness. Shake thick�ess shall be determined by measurement of the area �� $ ry
<br /> ` within �/: inch from each edge. If corrugations or valleys exceed %z inch in depth,a '� �?
<br /> �� �snus tolerance of'/,inch is permitted in the minimum specified thickness.
<br /> � > (�)Width. Shakes shall be of random widths, none narrower than 4 inches. � t �
<br /> ;�; ` ; }iandsplit-and-resawn shakes shall have a maximum width of 14 inches. h�j�,
<br /> ��.� (d)Edges. Edges of shakes shalt be parallel within 1 inch.
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