ends of the arm portions 34 36 bearing on the flange portion 68 of the stud 12 also movement of the channel 16 in a direction away from the stud 12 is prevented by means of the mounting screw 71 potential movement of the channel 16 in a lateral direction i e in a direction which is parallel to the flange 68 of the stud 12 or rotational about the axis of screw 70 is prevented by the engagement of lip portions 64 66 of the clip securement member 18 with the edges 76 78 of the channel 16 the channel 16 is thus rigidly attached with respect to the stud 12 notwithstanding any possible subsequent deterioration damage or decay of the insulating board 14 an alternative embodiment of the invention 100 is depicted in fig4 in this embodiment the clip securement member 18 of fig1 3 and 5 is replaced by the clip securement member 102 the clip securement member 102 of fig4 is generally similar to that of clip securement member 18 except that a single point prong 104 is formed at the end of each of the arms 106 108 the operation of the clip securement member 102.