llAttotAlrY Kilowll rlrgutArlot AutlroRlrY HEADS gIMPgOil TECH]IICAI SERYICE

Srupsox Irsur,.trrrc Boeno Pnooucrs are unexcelled for quality. Backed by a permanent supply of the finesr raw material . the long, strong fiber of Douglas fir . . . a new plant equipped with the most modern machinery and new advanced nanufacturing proc.esses., a high quality product is being produced.

In addition to supplying an unequaled high quality product Simpson intends to provide the most authoritative technicdl service. With

Insuloting Boord Products

this in mind, Mr. Paul D. Close, one of America's recognized outstanding insulation authorities, has been engaged to head its Technical Service. Mr. Close's broad and practical experience is made available to all Simpson Insulating Board digtributors and to architects in helping to solve insula. tion problems.

Simpson Insulating Board Products are made in the West exclusively for western dealers.

WOOD FIBER DlVlSlON o SIilPSON IOGG|NG GOftIPANY Plant at 9HEITON, WASHINGTON Sofer Dlvfcfon SIIIPSON lNDUglilES, 1065 Sruor? Bulldlng, 3eafilc l, Worhlngton Also Monufoclurers of tUlvlBER PTYWOOD DOORS