Document JJr4OrdKb3pZwQ2NxMQ2j4D7v

Insulation Insul-Wool Insulation Corp. General Offices, Wichita, Kansas - Branches in Principal Cities Manufacturers and Distributors of Insul-Wool Insvl~Wool Applied over Ceiling "fill" type--made of wood pulp, a natural insulating material. By the exclusive "InsulWool" method the wood pulp is converted into a loose fluffy substance which, when installed in a building, forms a soft heat-resisting blanket having millions of tiny air cells cap able of resisting passage of either heat or cold. UNIFORMITY OF PRODUCT Only one grade of Insul-Wool is made and every "run" is tested at the factory to insure uniformity of product and unvarying high quality. It is free from grit, silicon particles, or "shot." FIRE PROOF AND VERMIN PROOF A special "Insul-Wool" method of chemical treatment makes Insul-Wool thoroughly ver min proof and fire proof. "INSUL-WOOL" SERVICE Insul-Wool is distributed and installed only by specially trained men--direct factory re presentatives or men in the organizations of the largest insulation material dealers through out the United States. ADVANTAGES OF INSUL-WOOL 1. It is made from wood pulp, a natural insulating material. 2. Chemical treatment makes Insul-Wool safe under all conditions and hazards. 3. Its light weight of 2.5 lb to the cubic foot adds very little load to the ceiling rafters. 4. Does not pack or settle and outlasts the building in which it is installed. 5. Does not draw moisture. 6. Cuts fuel costs and reduces Summer temperatures, indoors. 7. Meets U. S. Government requirements of Federal Construction with a thermal conductivity of 0.24 Btu per hour, per square foot, per degree Fahrenheit, per inch thickness. Analysis of Insul-Wool in Terms of Commercial Thickness Material INSUL-WOOL Commercial Form CommT. Thickness Inches D. Wt. Per Cu. Ft. Wood Fiber-Loose Type, Fire proofed and Germ proofed. 1 4 23 C. Conductivity 0.24* 0.067** Kansas City Testing Laboratory, Inc., February 25, 1938. **J. C. Peebles, Armour Institute of Technology, April 8, 1937.. Complete data on Insul-Wool Insulating Product will be sent upon request. 1130 Insulation Lockport Cotton Batting Co. Lockport, New York COTTON INSULATION Fire proofed and manufactured under Department oT Agriculture Specifications Lo-"K" is made of processed American cotton of varying thicknesses, packaged in rolled form, with or without Kraft paper backing--an added moisture barrier. Thermal Conductivity--The "k" value for cotton is 0.24 Btu/hr/sq ft/ degree F/inch. (See table.) Light Weight--Weight of 1 cu ft is Yz lb. (See table.) Flame-Proofed--To comply with De partment of Agriculture specifications to withstand a temperature of 1800 F. Moisture-Resistant--Chemical treat ment, combined with natural protective coating on cotton fibres, enables cotton to effectively resist moisture. Prevents rot and mildew. Smooth Texture--Cotton contains none of the sharp particles that can harm workmen's hands during process of in stallation. Flexible--Cotton batt may be expanded or contracted to fit any enclosure. It easily passes over and under pipes and wires. In walls or roof, the nailing flange is folded out from paper backing and at tached to edge of studs or rafters. In attic with open floors, Lo-"K" is simply tucked between ceiling rafters, cotton side up. Manufactured in Standard Sizes. Packaged in Rolled Form. Thicknesses--inches: 1, 1J^, 2, 3f 3^. Width--inches: 16,24 on centers. Lengths: Standard from 12 ft up. Available in Quantity--(priority free) --Lockport is establishing dealers in principal distributing centers. If your dealer doesn't happen to have Lo-"K" in stock, we invite your inquiry for prices and samples. INSULATING VALUE OF VARIOUS INSULATORS The coefficients of conductivity (fe value) are ex pressed in Btu per hour per square foot per degree Fahrenheit per 1 in. of thickness. Type of Insulation Wgt. per CuFt Value Cotton; Insulating Batt........................... Rock Wool: Fibrous materia! made from rock.................................................... Mineral Wool: Fibrous material from mineral slag..................................... Glass Wool: Fibrous material made from glass slag........................................... Rijpd Insulation made from sugar Chemically treated wood fibre between layers of paper.......................................... Ed grass between lavers of paper............ Stitched and creped expanding fibrous blanket........................................................ Shavings: Various from planer............... Corkboard: No binder added.................. Rigid insulation made from wood fibre.. Rigid fibre board made from shredded wool and cement....................................... .875 10.00 .1.50 1 1330 332 3.40 130 8.80. 7X30 15.90 24.20 0.24 0.27 0.27 0.27 033 035 035 037 0.41 037 033 0.46 Compiled from Chapter 4. b,`k" indicates temperature conductivity. 1131