Abstract: An apparatus and method for making a composite roofing material includes a reel support for reels of each of a vulcanized rubber sheet, a polymeric film and a fleece matting and pinch rollers which advance the rubber sheet from its reel through a path including a cleaning and scrubbing vat, a stretcher, and a heater. In the cleaning and scrubbing vat, counter-rotating brush cylinders with special abrasive bristles effectively remove the non-stick talc coating from the vulcanized rubber. Once the rubber sheet is heated, polymer film and fleece matting from separate rollers are sandwiched with the rubber sheet and passed through a pair of compression pinch rollers where the polymeric film is melted.

Abstract: An apparatus for making a composite roofing material includes a reel support for reels of each of a vulcanized rubber sheet, a polymeric film and a fleece matting and pinch rollers which advance the rubber sheet from its reel through a path including an abrading roller, a cleaning and scrubbing vat, a stretcher, a heater and then, along with the polymer film and the matting, through a pair of compression pinch rollers. The cleaning and scrubbing vat effectively removes the non-stick talc coating from the vulcanized rubber. The thus cleaned rubber sheet is heated by the heater to a temperature which is sufficient to melt the polymeric film as it comes into contact with the vulcanized rubber sheet. The melted film acts as an adhesive to cause the fleece matting to adhere to the vulcanized rubber sheet as the rubber sheet, the polymeric film and the fleece matting are compressed together by the compression pinch rollers.

Abstract: A composite roofing material includes a flexible rubber or thermoplastic sheet and a fleece-like matting with a polymeric film positioned therebetween. The polymeric film acts as a hot melt adhesive to cause the matting to adhere to the rubber or thermoplastic sheet. The composite material is made by abrading one side of the rubber or thermoplastic sheet, washing the abraded sheet, stretching the sheet, heating the rubber or thermoplastic sheet and then compressing the heated rubber or thermoplastic sheet together with the polymeric film and the fleece-like matting. By using a polymeric film and matting which is slightly narrower than the rubber or thermoplastic sheet, a selvedge is created along each longitudinal edge of the resultant roofing material to one of which a double sided tape can be adhered to facilitate sealing adjacent sheets of roofing material together.

Abstract: A composite roof structure, and a corresponding method of fabricating the structure, are disclosed which includes use of a layer of adhesive material (preferably a foamed, cellular adhesive such as polyurethane) along with a flexible membrane including a rubber-like sheet having a fleece-like matting secured to the underside thereof. The adhesive is preferably sprayed onto a roof substrate and prior to complete solidification thereof the membrane is pressed into the adhesive so that the matting becomes embedded therein.

Abstract: In an apparatus for the foaming-in-place of insulation, liquid resin and liquid foaming agent components are carried in first and second containers. These liquids are to be mixed together and the mix is to be foamed-in-place within a void to be insulated. Heating and cooling mechanisms are coupled to the conainers for selectively heating and cooling the liquids to maintain them within a prescribed temperature range. The heating and cooling mechanisms comprise part of a temperature control unit through which the liquids are selectively circulated from their respective containers. The temperatures of the liquids are monitored within the containers. In the event that the sensed temperature falls outside of the prescribed range, the temperature-control unit is automatically actuated to heat or cool the liquid.