November, i 9 2 j 
33 
T/ie actual thickness of a 
sheet of Sheetrock is inch 
of pure gypsum 
Sheetrock makes solid, fireproof, 
permanent walls and ceilings 
Sheetrock is easily 
quickly erected, at loi 
Have you considered its low cost? 
When you make your walls and ceilings of 
Sheetrock, the fireproof wallboard, you make 
them of solid, broad sheets of everlasting gypsum. 
You make them fireproof and permanent. 
Considering the strength, solidity permanence 
of Sheetrock as compared with other wallboards, 
you must be surprised at the little difference in 
cost. To all its surpassing advantages, Sheetrock 
adds the crowning advantage of low first cost, 
low construction cost, and lowest ultimate cost. 
Then consider what you get in your finished 
walls and ceilings of Sheetrock that is not pos¬ 
sible with any other kind of wallboard—walls 
and ceilings that are uniformly flat and smooth, 
non-warping, and adaptable to any decoration, 
wallpaper, paint or calcimine. 
substantial,permanent 3.ndeconomi- 
c< 2 /wallboardin your newconstruction, alterations 
and repairs. Your lumber dealer ordealerin build¬ 
ers’ supplies sells it. “Walls of Worth” pictures its 
many uses. Write us for a free copy and a sample. 
UNITED STATES GYPSUM COMPANY, General Offices: 207 West Monroe Street, Chicago 
World's Largest Producers of Gypsum Products ' Sheetrock is approved by The Underwriters' Laboratories, Inc. 
SHEETROCK 
Reg. U. S. Pat.Ofi. 
T he FIREPROOF WALLBOARD 
