Document 5kyYGaQaLB2X1rQvg4y3xq9x0

Insulation ALFOL Manufactured by Reflectal Corporation 155 East 44th Street New York 17, N. Y. HEAT INSULATION for ALL PURPOSES Alfol Building Blanket--for all Types of Building Structures. Easy to Apply Alfol Building Blankets consist of spaced layers of Alfol Aluminum Foil Insulation at tached along the edges to a liner sheet of heavy vapor proof paper. Packaged in handy rolls of 250 sq ft each for use on 12 in., 16 in., 20 in. or 24 in. centers. Weighs less than '/ lb per sq ft. High Insulating Efficiency Positive Vapor Barrier. Low Heat Storage Capacity. Negligible in Weight. Moisture Proof. Durable. Odorless and Clean. Easily Applied. Low Cost. Specifications Bandy Package--tSO Sq Ft of Insulation Description Type I -- Type II.-- 2 Layers ALFOL Type IV.-- 3 Layers ALFOL Widths Net Area Net Weight per Roll per Roll 12^-16^-24* 250 sq. ft. 17 lbs. 16'-20*-24* 250 sq. ft. 19 lbs. 12M6'-24* 250 sq. ft. 20 lbs. 16*-20*-24' 250 sq. ft. 23 lbs. ALSO \ ALFOL PREFABRICATED INSULATION PANELS For Tanks, Towers, And All Types of Heated Equipment. ALFOL ASBESTOS Alfol Aluminum Foil Insulation Laminated To Asbestos For Ovens, Ranges, Boiler Jackets, Hot Water Heaters, And All High Temperature Insulation Purposes. ALFOL JACKETING Heavy Reinforced Paper Combined With Alfol Aluminum Foil. Provides Insula tion And Vapor Barrier In One Convenient Form. For Refrigerator Cars, Trucks, Buses, Trailers, Etc. Write for complete information, catalogs and prices. 1444 Silvercote Products, Inc. 161 East Erie Street, Chicago, HI. SILVERCOTE CKef&tINSULATION Insulation Silvercote Heat Reflective Surfaces--The silver-like surface of Silvercote reflective insulation consists of a polished, heat reflective coating applied to a special kraft paper. The importance of using a Silvercote radiant heat reflective surface in modern building construction is obvious when it is realized that from 50 to 80 per cent of the heat transferred across a normal air space is in the form of radiation. REFLECTIVE SHEET INSULATIONS Silvercote Duplex--A thin flexible vapor barrier and insulation consisting of two sheets of Silvercote paper bonded to gether with asphalt. This material, con taining two exposed Silvercote surfaces, weighs approximately 50 lbs per thousand sq ft and is manufactured in 500 sq ft rolls in widths of 36 in. or 52 in. to span two 16 in. or 24 in. standard framing spaces. These widths permit bow-in of the Silvercote over the room side of the framing members to form an air space between the insulation and the interior finish. The water vapor permeability of Silvercote Duplex, when tested in accord ance with the dry method ASTM tenta tive standard C214-47 and subsequent modifications, is 0.23 grains per sq ft per hour per inch of mercury vapor pressure difference. Silvercote Simplex--An economical vapor permeable reflective insulation designed for use where a vapor barrier is not re quired. Silvercote Simplex is a single sheet of special kraft paper coated on both sides with the Silvercote surface. It weighs approximately 30 lbs per thou sand sq ft and is manufactured in 500 sq ft rolls in 36 in. or 52 in. widths to span two 16 in. or 24 in. standard framing spaces. These widths permit bow-in of the Silvercote over the exterior side of the framing members to form an air space between the insulation and the exterior sheathing. The water vapor perme ability of Silvercote Simplex, when tested in accordance with the dry method ASTM tentative standard C214-47 and subsequent modifications, is 99.2 grains per sq ft per hour per inch of mercury vapor pressure difference. REFLECTIVE BLANKET INSULATIONS Blanket Insulation, Silvercote on Vapor Barrier Side--A popular building insula tion available in various thicknesses and faced on the vapor barrier side of the blanket with Silvercote paper. Manu facturers of this type of reflective blanket apply an asphalt coating to the back of the Silvercote paper for the twofold pur pose of bonding the insulation material to the Silvercote paper and to lend vapor resistant properties to the blanket at the room side of the insulation. The oppo site side of this type of reflective blanket is a plain kraft liner perforated where necessary to allow compression packag ing and also to assure ample water vapor permeability at the so-called breather side of the blanket. Reflective Blanket, Silvercote on Breather Side--This product was developed for application in structures where only one air space adjacent to the cold side of the blanket is available. An air space faced on one side with a Silvercote surface will have approximately equal effectiveness whether formed on the vapor barrier or the breather side of the blanket. Since Silvercote paper is in itself not a vapor resistant material, it can readily be used on either side of blanket insulation. The reauired vapor barrier on the room side of blanket insulation is provided by the asphalt bonding agent. ' Reflective Blanket, Silvercote on Both Sides--A de luxe insulation material utilizing the maximum insulation value of blanket insulation, air spaces and heat reflective surfaces. The vapor barrier side of this reflective blanket is Silver cote paper bonded to the insulation ma terial with an asphalt vapor barrier ad hesive. The breather side of this efficient insulation is therefore plain vapor per meable Silvercote paper. 1445