Document 4JDgZRQ971bjV66ZO4kKopLbQ

:c;/. ;-e' kiure. IutIs Cez-f-sna Henry Smith July 15, 1971 -a'i*.-r ' c.-:-:i:r7 ?efer to your memo to c d&ted July 8, 1971* I Karo reviewed tie brochure attached which I an returning to you. Tiers are two nre&s of eo--..ent i 1. Instead of including the ooa&ent at the bottom ci the physic?.! ehi\raeteristies which I have circled and numbered #1, It la suggested that a coaaeat be inserted above the physical characteristics where I have inserted #2. She reeootended consent which is a acre positive type stataceut would be as follows: "This product has a greater than normal loss of flerural strength after being subjected to 1250*** The com pressive atsngth is not adversely affected under the case conditions. The product will perfom satisfactorily if the record ended insulation thickness ia used and if double layer application with staggered Joints ia used on all installations over 6CO*F." 2. At this tins, the reference to Kllitary Specs. (circled and labeled #3) cannot be included ia this brochure. Otherwise, the data lncludsd is satisfactory froa a technical standpoint. V3S:pas Attached M. C. SCH'JDiGEH 01-0225 MICH08286