US419120A - Composite roofing - Google Patents

Composite roofing Download PDF

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US419120A
US419120A US419120DA US419120A US 419120 A US419120 A US 419120A US 419120D A US419120D A US 419120DA US 419120 A US419120 A US 419120A
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Prior art keywords
roof
roofing
paint
sheathing
cotton
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/02Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition

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  • This invention relates to certain improvements in that kind of composite roofing which is made or formed directly on the roof it is designed to protect.
  • the object of the invention is to cover sheathing, tin, or old roofs of felt, or fiat roofs, as well as very steep roofs having a smooth outer surface, either in broken places or in whole.
  • the invention consists in placing and securing a single-ply layer, or sheet of cotton, felt, or other suitable open fibrous material on the roof to be covered. I then coat it with incombnstible adhesive paint, then a second layer of cotton, muslin, or the like, and then secure the whole to the sheathing or roof. I then press the said layers together, uniting them by means of the adhesive paint between them, and the paint passing through the under layer to the roof-sheathing, and, finally, when dry this roofing receives another coat of non-combustible metallic paint, first heated to a consistency to readily spread and fill the interstices in the fiber of the cloth. ⁇ Vhen the paint dries and becomes hard, the roof as complete will appear glossy, and is perfectly impervious to water, and is fireproof.
  • Figure 1 shows the roof as partly laid and finished, also showing the sheathing with a roll of cotton ready to be put down;
  • Fig. 2 a section through the roof when complete.
  • Fig. 3 shows a portion of a roof made of sheathing, upon which is laid a portion of my roofing material, one layer of the cotton being turned over;
  • Fig. 4 is a plan view showing the manner of uniting the meeting edges of the sections of the roofing.
  • the invention is an improvement on patent granted to me on the 7th day of September, 1886, in which the roofing material is made before putting it on the roof; but I find by making itof two or more ply of felting, cotton, paint, and the like it is too heavy and expensive, and, besides, there is great waste; but with my new method I can handle it with safety and facility, and by laying the different materials on the roof separately and manufacturing the covering as I progress the roofing material lies better and is more compactly formed, is less liable to crack, makes a more complete roofing without waste, and is altogether a more satisfactory roof. It is also much cheaper by being put on and made where it is designed to remain, avoiding the cost of manufacture at factories, the breaking of the edge, and the cost of handling and transportation, as well as hoisting to the roof in bulk.
  • I may employ any of the well-known metallic paints, mixing them with adhesive substances, such as rosin, gum-shellac, rosin-oil, or linseed-oil, and asphaltum, in proper proportions, heating them sufficiently to melt the substances together, stirring and mixing the same to insure a perfect union thereof.
  • adhesive substances such as rosin, gum-shellac, rosin-oil, or linseed-oil, and asphaltum
  • Mineral paints mixed with mineral noncombustible adhesivc substance when in a heated condition, will adhere sufiiciently to the fabric to hold it and fill the interstices of the fiber.
  • Asphaltum and oil may be mixed with the paint to preserve the roofing from decay, as the less vegetable substances there are used the more lasting will be the roof.
  • the cotton or muslin is very cheap and durable when subjected to my preparation, and is not liable to rot out or break. It will not draw or warp when its fibers are-fully saturated, and will therefore remain fixed in the position when laid in a continuous integral sheet.
  • composite roofing consisting of alayer of textile fabric stretched upon the roof,"a coating of adhesive paint consisting of two or more layers of single-ply woven fabric or cotton cloth, saturated with and coated between the layers with a mixture of rosin, shellac, rosin-oil, and asphaltum, and
  • the herein-described roofing material made in strips directly on the roof it is designed to cover, and consisting of a 'layer of woven fabric, such as cotton or muslin, stretched on the roof, a coating of rosin, shellac, rosin-oil, and asphaltnm on said textile layer, and passing through and cementing the same to the roof, anotherlayer of woven fabric pressed upon said adhesive coating while soft and thereby cemented to the same,

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Description

(No Model.)
D. HARGER.
COMPOSITE ROOFING. No. 419,120. Patented Jan.7,1890.
j z e7 UNITED STATES PATENT OFFICE.
DAVID IIARGER, OF DES MOINES, IOIVA.
COMPOSITE ROOFING.
SPECIFICATION forming part of Letters Patent No. 419,120, dated J anuary 7, 1890.
Application filed March 19, 1889. Serial No. 303,903. (No specimens.)
To all whom it may concern.-
Be it known that I, DAVID I'IARGER, of Des Moines, in the county of Polk and State of Iowa, have invented certain new and useful Improvements in Composite Roofing; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form part of this specification.
This invention relates to certain improvements in that kind of composite roofing which is made or formed directly on the roof it is designed to protect.
The object of the invention is to cover sheathing, tin, or old roofs of felt, or fiat roofs, as well as very steep roofs having a smooth outer surface, either in broken places or in whole.
The invention consists in placing and securing a single-ply layer, or sheet of cotton, felt, or other suitable open fibrous material on the roof to be covered. I then coat it with incombnstible adhesive paint, then a second layer of cotton, muslin, or the like, and then secure the whole to the sheathing or roof. I then press the said layers together, uniting them by means of the adhesive paint between them, and the paint passing through the under layer to the roof-sheathing, and, finally, when dry this roofing receives another coat of non-combustible metallic paint, first heated to a consistency to readily spread and fill the interstices in the fiber of the cloth. \Vhen the paint dries and becomes hard, the roof as complete will appear glossy, and is perfectly impervious to water, and is fireproof.
In the accompanying drawings, Figure 1 shows the roof as partly laid and finished, also showing the sheathing with a roll of cotton ready to be put down; Fig. 2, a section through the roof when complete. Fig. 3 shows a portion of a roof made of sheathing, upon which is laid a portion of my roofing material, one layer of the cotton being turned over; and Fig. 4 is a plan view showing the manner of uniting the meeting edges of the sections of the roofing.
The invention is an improvement on patent granted to me on the 7th day of September, 1886, in which the roofing material is made before putting it on the roof; but I find by making itof two or more ply of felting, cotton, paint, and the like it is too heavy and expensive, and, besides, there is great waste; but with my new method I can handle it with safety and facility, and by laying the different materials on the roof separately and manufacturing the covering as I progress the roofing material lies better and is more compactly formed, is less liable to crack, makes a more complete roofing without waste, and is altogether a more satisfactory roof. It is also much cheaper by being put on and made where it is designed to remain, avoiding the cost of manufacture at factories, the breaking of the edge, and the cost of handling and transportation, as well as hoisting to the roof in bulk.
I may employ any of the well-known metallic paints, mixing them with adhesive substances, such as rosin, gum-shellac, rosin-oil, or linseed-oil, and asphaltum, in proper proportions, heating them sufficiently to melt the substances together, stirring and mixing the same to insure a perfect union thereof. For outside covering I may dispense with some of the vegetable substances.
Mineral paints mixed with mineral noncombustible adhesivc substance, when in a heated condition, will adhere sufiiciently to the fabric to hold it and fill the interstices of the fiber. Asphaltum and oil may be mixed with the paint to preserve the roofing from decay, as the less vegetable substances there are used the more lasting will be the roof.
The cotton or muslin is very cheap and durable when subjected to my preparation, and is not liable to rot out or break. It will not draw or warp when its fibers are-fully saturated, and will therefore remain fixed in the position when laid in a continuous integral sheet.
In laying this roofing a sheet (of suitable width and length) of fibrous material a is first laid, stretched, and secured directly upon the roof, either the sheathing or old covering of the roof. This textile layer is then covered and saturated with a coating of the abovementioned adhesive mixture (I, Fig. 2. other layer of the textile fabric a is then stretched upon said paint while soft and pressed down upon the same, thereby uniting the textile layers when the adhesive paint hardens, and when this adhesive paint has thoroughly dried and hardened the outer textile layer is covered with a coating of noncombustible mineral paint 6.
Patches on old roofs and on leaky places can be readily put on as solid as if the whole roof were covered with my material, as the cotton or felt is first laid on when very pliable and can be pressed into any crevices and on the edges of the old covering, so that when the cement is put on a close joint is formed, and both the old-and the new become an integral sheet, as if originally laid down A Cotton or muslin may be substituted for the felt when desired, and when only a single thickness is laid on the roof and the adhesive material applied it passes through the fibers of the cotton and adheres to the roof, and thus cements it in such manner not only to prevent leakage, but secures/the roofing to the sheathing, so that the wind will never get under it and blow it off. This is a great consideration in sheet rootin g, as it is well known that many sheet roofs are blown off by the wind getting beneath them, and, not being properly secured to the roof, are blown off, causing great destruction.
The manner of securingthe seams of one width to the other is expressed in my patent above referred to, whichis: In applying the roofing material I simply overlap the edges of the two adjacent widths and nail them to the sheathing; butI prefer to use in connection with this slip a strip or ribbon of tin 'or other metal, through which the nails are to pass, or I may use a stiff wire 1) instead of the metal strips over the seams, and secure it by driving hook-headed nails Cover it into the sheathing through the roofing material,
securing the whole rigidly together, and thus stiffen, and, in addition to the under ply being sealed to the roof, rigidly secure the roofing to the sheathing,which is of course prop erly anchored to the rafters.
In this way I produce a roof cheap, durable, and secure,
which cannot be done by first making the roofing and afterward laying it on the sheathing and nailing it thereto.
Having thus fully described my invention, what I claim, and desire to secure by Letters Patent, is-
1. The herein-described composite roofing, consisting of alayer of textile fabric stretched upon the roof,"a coating of adhesive paint consisting of two or more layers of single-ply woven fabric or cotton cloth, saturated with and coated between the layers with a mixture of rosin, shellac, rosin-oil, and asphaltum, and
having atop dressing of mineral paint mixed in suitable proportions with oil, for the purpose set forth.
3. The herein-described roofing material made in strips directly on the roof it is designed to cover, and consisting of a 'layer of woven fabric, such as cotton or muslin, stretched on the roof, a coating of rosin, shellac, rosin-oil, and asphaltnm on said textile layer, and passing through and cementing the same to the roof, anotherlayer of woven fabric pressed upon said adhesive coating while soft and thereby cemented to the same,
the edges of said strips overlappingand being secured together by wire and hooked nails, substantially as described.
In testimony that I claim the foregoiiiig as my own I affix my signature in presence of two witnesses.
"Vitnesses;
C. M. WERLE, JOHN ENDERS, Jr.
DAVID HARGER.
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