February, 1917 
63 
SO the furnace man slammed the iron 
door and was off for home without 
noticing that the door had bounced 
open. The babies were asleep upstairs. 
Soon all the lights were out. A hot coal 
dropped. Then a little spurt of grey 
smoke spiraled from some papers on 
the floor. Later came a tiny tongue of 
flame which crawled away doubtfully 
—and went out. Then another— 
stronger. Suddenly there was a mass 
of flames—then the near-by barrels 
burst into a blaze. Like lightning the 
fire spread. It reached the walls— 
flared fiercely for a while—licked up 
greedily—faltered—died down —went 
out. The walls and floors were of 
NATCX) HOLLCW TIIJB 
Next morning down came the man whose whole heart was wrapped up in the family which had 
slept unsuspecting over destruction. And when he saw that blackened cellar, he blessed the name 
of the architect who had advised fireproof Natco Hollow Tile. 
Although Natco is the modern material used in many great skyscrapers, it has notable features 
which fit it exactly for all structures, even the least expensive. It is vermin proof, damp proof, fire¬ 
proof. Cooler in summer—warmer in winter—thanks to its air blankets. It lends itself to beautiful 
construction—and it is safe—safe— safe. 
A Natco wall is built solid and strong of a single thickness of 
are scored on the outside to take a decorative stucco finish, and on 
permanently and well, without cracking. It costs less than brick 
or concrete, and a little more than flimsy and dangerous frame 
construction—but the additional expense is more than paid back 
in a few years by saving in upkeep and insurance. 
Call on the Natco service for advice in build¬ 
ing w^hich will save you time and money. It is 
free to architects, engineers—and to you. The 
interesting 32 -page book, “Fireproof Houses,” 
will be sent on receipt of ten cents to cover 
postage. There is every reason for your build¬ 
ing right—for protection and economy—when 
you build at all. 
large, hollow tile, whose surfaces 
the inside to hold wall plaster— 
NATIONAL FIREPROOFING 
COMPANY 
490 Federal Street, Pittsburgh, Pa. 
This is a Natco Hollow Tile, of 
the type used for residence wall 
construction. These big units 
mean quick and strong construction 
and everlasting safety against fire. 
Note the air cells which make the 
Natco wall temperature and damp 
proof, and the patented dovetail 
scoring on (he surface for a strong 
mechanical bond with decorative 
outside stucco and inside plaster. 
No studding or lath is required. 
There is a Natco tile for every 
building purpose, from smallest 
residence to largest skyscraper. It 
is the most modern building ma¬ 
terial made. 
THE MATERIAL THAT MADE THE SKYSCRAPER POSSIBLE 
