San Francisco : Architect and Engineer, Inc · leaf 539
DECEMBER, 1947 … <^ COMPLETE PROTECTION THROUGH a process developed by our Re-search Laboratory. Simpson InsulatingBuilding Board is treated during manufactureto render it resistant to termite attack, fungusgrowth, dry rot. mold, mildew and othermicroscopic organisms. By the Simpson pro-cess, every fiber of the…
Architecture · Building
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