Abstract: Nanosilver for use as a biocide in coated fibrous substrate facers and other construction and/or building substrates, for protection against bacteria (particularly cyanobacteria), fungi, molds, algae and other bio-organisms known to deface and/or adversely affect such building materials. Facers referred to are commonly used in the construction industry as exposed surfaces for insulation and sheathing boards.

Abstract: This invention relates to a low fiber, pliable composite mat product suitable for use in the construction industry, particularly as an interlayer in roofing between a weathering course, e.g. a shingle and structural decking, e.g. plywood, which is a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, surfaced or coated on both sides with a prefoamed composition which contains a cured polymer latex, and, preferably, a foam sustaining amount of a surfactant and a flame retarding and/or strengthening amount of a mineral filler, and also to the use and process for the preparation of the above.

Abstract: This invention relates to a low fiber, plyable facer suitable for use in the construction industry, particularly for insulation board manufacture, comprising a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, coated with a prefoamed composition which contains a polymer latex, a foam sustaining amount of a surfactant and a flame retarding and/or strengthening amount of a mineral filler and also to the use and process for the preparation of the above as well as to a siding underlayment or insulation board having a foamed, thermosetting resin core which is surfaced with said facer as a product for commercial use.

Abstract: This invention relates to a low fiber, plyable facer suitable for use in the construction industry, particularly for insulation board manufacture, comprising a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, coated with a prefoamed composition which contains a thixotropic polymer latex, a foam sustaining amount of a surfactant and a flame retarding and/or strengthening amount of a mineral filler and also to the use and process for the preparation of the above as well as to a siding underlayment or insulation board having a foamed, thermosetting resin core which is surfaced with said facer as a product for commercial use.

Abstract: This invention relates to a low fiber, plyable facer suitable for use in the construction industry, particularly for insulation board manufacture, comprising a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, coated with a prefoamed composition which contains a thixotropic polymer latex, a foam sustaining amount of a surfactant and a flame retarding and/or strengthening amount of a mineral filler and also to the use and process for the preparation of the above as well as to a siding underlayment or insulation board having a foamed, thermosetting resin core which is surfaced with said facer as a product for commercial use.

Abstract: This invention concerns a light weight sheet felt material suitable for use as roof and siding underlayment and insulation board facing which comprises on a dry basis(a) 60-80 wt. % cellulose fibers;(b) 15-30 wt. % glass fibers having a diameter of 5 to 16 microns and a length of 3/8-3/4 inch;(c) 4-10 wt. % binder and(d) 0.5-10 wt. % non-asphaltic, sizing agent having a flash point above 150.degree.F. and an evaporation rate less than one which is selected from the group consisting of anionic rosinous and amphipathic ester and anhydride sizes and mixtures thereof.The felt of this invention is of considerably lighter weight and higher porosity than other felting materials used for the same purpose and can be supplied in longer continuous sheet rolls than heretofore practical from a standpoint of handling, shipping, storage, and installation. Also the present sheet felt can be produced on conventional felt making equipment in a one step process.

Abstract: This invention concerns a light weight sheet felt material suitable for use as roof and siding underlayment and insulation board facing which comprises on a dry basis(a) 60-80 wt. % cellulose fibers;(b) 15-30 wt. % glass fibers having a diameter of 5 to 16 microns and a length of 3/8-3/4 inch;(c) 4-10 wt. % binder and(d) 0.5-10 wt. % non-asphaltic, sizing agent having a flash point above 150.degree. F. and an evaporation rate less than one which is selected from the group consisting of anionic rosinous and amphipathic ester and anhydride sizes and mixtures thereof.The felt of this invention is of considerably lighter weight and higher porosity than other felting materials used for the same purpose and can be supplied in longer continuous sheet rolls than heretofore practical from a standpoint of handling, shipping, storage, and installation. Also the present sheet felt can be produced on conventional felt making equipment in a one step process.

Abstract: A device for the spot application of molten asphaltic composition to spot locations comprising a rod of solid, modified bitumen adapted for heating and end thereof. The softened or molten composition at the end can easily and conveniently be delivered to spot locations.

Abstract: A solar roofing assembly is provided including a roofing membrane, a plurality of insulation blocks disposed as a layer on top of the roofing membrane, a plurality of pavers disposed as a layer on top of the plurality of insulation blocks, and a plurality of photovoltaic cells, each supported on a respective paver. In a second embodiment, each paver has a respective photovoltaic cell bonded to the top surface of the paver and has a respective insulation block bonded to the bottom surface of the paver forming a shop assembled, three-layer unit. The insulation block is also tapered with one side edge being thicker than an opposite side edge so that rain water will run off the top surface of the photovoltaic cell. The three-layer paver units are arranged on top of the roofing membrane, so that the top surfaces of the photovoltaic cells face south or in the direction of increased sun exposure. The insulation blocks have interlocking side surfaces.

Abstract: A process and apparatus is provided for making a rubber-like product from rubber scrap, such as recycled tire scrap. The process includes mixing the rubber scrap with from 1 percent to 15 percent, with respect to the weight of the rubber scrap, of added sulphur, and applying a pressure thereto of about 1000 to 3000 pounds per square inch for 1 to 10 minutes at a temperature of from about 250 degrees F. to about 450 degrees F. In addition, 1 to 8 percent, with respect to the weight of the rubber scrap, of antioxidants and antiozonants are added to the mixture of rubber scrap and sulphur. The sulphur is free sulphur. Derivative sulphur compounds, or like vulcanizing agents, can be added in place of the free sulphur of about 1 to 45 percent of the weight of the rubber scrap. The rubber scrap is buffing of recycled tire rubber, or powder made from recycled tire rubber. An apparatus for carrying out the process is also provided.

Abstract: Polyisocyanurate foam in which the polyol content is largely a polyol mixture prepared by the transesterification with a glycol of a residue obtained from the manufacture of dimethyl terephthalate and in which the foam has been prepared using fluorocarbon blowing agent and amine triol to improve compatibility between the polyol and the blowing agent.

Abstract: Polyisocyanurate foam in which the polyol content is largely a polyol mixture prepared by the transesterification with a glycol of a residue obtained from the manufacture of dimethyl terephthalate and in which the foam has been prepared using fluorocarbon blowing agent and alkoxylated alkyl amine to improve compatibility between the polyol and the blowing agent.

Abstract: Polyisocyanurate foam in which the polyol content is largely a polyol mixture prepared by the transesterification wtih a glycol of a residue obtained from the manufacture of dimethyl terephthalate and in which the foam has been prepared using fluorocarbon blowing agent and amide diol to improve compatibility between the polyol and the blowing agent.