TO ARCHITECTS AND BUILDERS.

There is no detail of house building more important than the roof. Upon

it depends to a great degree the durability and preservation of the

whole structure. The number of good houses with mottled ceilings and

cracked plastering, to be seen all over the country, are reminders of the

necessity of securing the best material and faultless construction for

this important part of your dwelling.

The advantages we claim for our Tin Shingle, over the ordinary mode of

applying sheet metal for roofing purposes, consists in its =Superior

Strength, Freedom from Wrinkles and Cracking=, (which cannot at all

times be prevented where sheet metal is put on in continuous sheets);

and in being the =Most Ornamental and Durable= of all sheet metal roof

coverings. Now, in answer to this last assertion you may say, How can

this be? Is not the same quality of tin as durable when applied in one

form as another? We answer, By no means. The writer—and we presume the

reader—has seen tin roofs worked, and walked over in the necessary

finishing up, to such an extent as to seriously damage the roof. The Tin

Roofers’ mallets, seamers, tongs, and sliding over the roof, do more real

damage to the surface of tin plate than several years’ wear. We entirely

overcome this difficulty, as no part of the exposed surface of our Tin

Shingles are struck with a mallet or hammer in applying them. Again,

where metal plates are put together in continuous sheets, moisture,

which condenses underneath for want of ventilation, settles in the

cross-seams and causes decay, and the ordinary metal roof when removed

invariably shows this to be the case, while the other part of the plate

shows no perceptible wear. Our form of metal roofing has no cross-seams,

and has sufficient ventilation to prevent the condensation of moisture

underneath, making it by many years the most durable form of metal

roofing ever offered to the American people.

Our object is to furnish the building public with a better form of

roofing material, attractive in appearance, without the objections of the

heavy slate, the clumsy shingle, or the plain ribbed metal roof; and at a

price that claims the attention of Architects and Builders of the whole

country.

THE NATIONAL SHEET METAL ROOFING CO.,

510 TO 520 EAST TWENTIETH ST.,

New York City.

Practical hints to builders and those contemplating building Facts worth considering relating to foundation, cellar, kitchen, chimney, cistern, brick-work, mortar, heating, ventilation, the roof, and many items of interest to builders. · 第 50 / 155 题