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Insulation Insulation General Insulating & Mfg. Company Engineering Offices and Main Plant: Alexandria, Indiana Executive Offices: St. Louis, Missouri Branch Plants: Dover. N. J. Dubuque. I0\va rock WOOL INSULATION Insul-Wool Insulation Corp. General Offices, Wichita, Kansas Branches in Principal Cities Manufacturers and Distributors of Insul-Wool Insul-Wool is a fibre insulation of the "fill" type--made of wood pulp, a natural Gimco Sealal Rock Wool Bats--Gimco Rock Wool Bats insulating material. By the exclusive "InsulWool" method the wood pulp is converted into are made from long, tough rock wool fibres annealed and a loose fluffy substance which, when installed treated specially by the patented Gimco process. Installed in a building, forms a soft heat-resisting 3% in. thick Gimco's conductivity is only 0.067 Btu per hour blanket having millions of tiny air cells cap n per sq ft for that thickness. Gimco provides full "wall-thick" protection . . . keeps inside temperatures as much as 15 deg cooler in summer and pays for itself out of winter fuel savings. Gimco is as fireproof as the rock itself, resists moisture, and Gimco Sealal Bats, furnished will not decay, pack down or dust out. Gimco is as permanent with waterproof paper back- as the house, and offers no attraction to vermin or termites ing. fit between standard studdings and joists. Gimco Bats are Self-Supporting;--Gimco bats need only to be pushed between studdings or joists. Their own natural 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 resiliency holds them permanently in place without additional A special "Insul-Wool" method of chemical support. Application costs are thus cut to a minimum. Gimco Insulation for Present Homes--Gimco in granu lated form can easily be blown into empty wall and ceiling treatment makes Insul-Wool thoroughly ver min proof and fire proof. 11 has been approved by the National Board of Fire Underwriters. spaces. It makes a permanent "wall-thick" insulation, and can be installed in any home, regardless of age, size or type of "INSUL-WOOL" SERVICE construction. For complete details, write for new book on- home insulation. Specifications--Gimco Sealal Bats are furnished with waterproofed. paper backing. They are made in three sizes: (1) 15 x 18 in. x wall thick; (2) 15 x 23 in. x wall thick; (3) 15 x 48 in. x wall thick. Ten small bats insulate approximately 20 sq ft of wall or ceiling area; 10 medium size bats insulate approximately 25H sq ft; 10 large tots insulate approximately Present homes are easily arid quickly insulated by blowing Gimco Rock Wool in empty wall and ceiling spaces. In sures a thick, protective 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. 55 sq ft. blanket of uniform density. GIMCO ROCK WOOL PRODUCTS FOR INDUSTRY Flexfelt Blankets--Efficient and adaptable rock wool insulation for boilers, heaters, furnace breachings, hot tanks and other industrial equipment. . Standard sizes: 2 ft x 4 ft and 2 ft x 8 ft. Special sizes are also made to order or as planned by our engineers from pur chasers' equipment drawings'. Gimco Flexfelt Pipe Coverings--Flexfelt coverings are suited for every type of pipe insulation . . . hot water, steam process, cold water and refrigerant lines. They are made in a variety of sizes and styles, each individually designed to do an efficient insulating job. Gimco No. 330 Insulating Cement can be easily and quickly applied to any surface. It dries quickly with little shrinkage and has a smooth, hard surface. Cost per square foot coverage is unusually low. ADVANTAGES OF INSUL-WOOL 1. It is made from wood pulp, a natural 5. Does not pack or settle and outlasts the insulating material. building in which it is installed. 2. Chemical treatment makes Insul-Wool safe under all conditions and hazards. 3. Approved by the National Board of Fire Underwriters. 4. Its light weight of 2.5 lb to the cubic foot adds very little load to the ceiling rafters. 6. Does not draw moisture. 7. Cuts fuel costs and reduces Summer temperatures, indoors. 8. Meets U. S. Government requirements on 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 Comm'l Thickness Inches Wood Fiber-Loose Type, Fire proofed and Germ proofed. 1 4 D. Wt. Per cu. ft. 2.5 C. Conductivity 0.24* 0.067** Free Construction and Engineering Service--Gimco engineers, backed by years of research in our own laboratories, render prompt and efficient service in helping you solve insulation problems. Quotations and suggestions on any job (temperatures up to 1500 F) will be gladly given. 1024 City Testing Laboratory, Inc., February 25, 1038. J. C. Peebles, Armour Institute of Technology, April 8, 1937. Complete data on Insul-Wool Insulating Product will be sent upon request. 1025