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Cork insulation; a complete illustrated textbook on cork insulation ...

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COVERING ERECTION 507<br />

Branch Lines, By-pass Lines, Rods, Etc.—All unused or infrequently<br />

used branch or bj'-pass lines leading oflE from lines being<br />

covered must be insulated to a distance of not less than three feet<br />

from the main insulated pipe line. Where this secti<strong>on</strong> of <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g><br />

ends it must be carefully sealed off with seam filler. No uninsulated<br />

pipe, rod or metal of anj- kind must be allowed to remain near<br />

enough to an insulated pipe line so that such metal enters or cuts<br />

into the <strong>cork</strong> pipe covering at any point.<br />

Insulati<strong>on</strong> Sundries.—In order that <strong>cork</strong> pipe covering and <strong>cork</strong><br />

fitting jackets may be properly applied, the following sundry ma-<br />

terials are supplied by the manufacturer without extra cost:<br />

1. Waterproof Cement for the cementing of all lateral and end<br />

joints.<br />

2. Brine Putty for the filling of any and all spaces between the<br />

covering and the pipe or the fittings.<br />

3. Copper Clad Steel Wire for the holding of the covering in<br />

place. (Ordinary copper wire or galvanized wire is unsatisfactory<br />

in service.)<br />

4. Seam Filler for the finishing up of seams and broken edges.<br />

5. Asphaltic Paint for the painting of the outside surfaces of the<br />

<str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g> so as to give it a neat and finished appearance and to<br />

enhance its value.<br />

The quantity of these <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g> sundries shipped is intended to be<br />

sufficient if used as directed.<br />

Waterproof Cement.—Waterproof cement sets quickly when exposed<br />

to the air. C<strong>on</strong>sequently, it must not be applied to any surface<br />

until the joint is ready to be made, as otherwise a film forms that<br />

prevents a proper b<strong>on</strong>d. Coat <strong>on</strong>ly as much of a surface as is to<br />

be placed immediately in c<strong>on</strong>tact with another surface. Use cement<br />

<strong>on</strong> but <strong>on</strong>e of two adjoining surfaces—the last to be applied. Do not<br />

coat both surfaces zcith tuaterproof cement. Stir the cement thoroughly<br />

before applying it, and keep cover of the c<strong>on</strong>tainer <strong>on</strong> tight when not<br />

in use.<br />

Screwed Fitting Jackets.—Apply <strong>cork</strong> fitting jackets to all screwed<br />

fittings before the secti<strong>on</strong>al covering is installed <strong>on</strong> the pipes incident<br />

thereto. This is necessary because the <strong>cork</strong> jackets extend bey<strong>on</strong>d the<br />

beads of the screwed fittings. By installing the secti<strong>on</strong>al covering<br />

last, tight end joints can be made with the <strong>cork</strong> jackets by slightly<br />

wedging the secti<strong>on</strong>al covering in place. Eliminate all voids between<br />

the fitting and the <strong>cork</strong> jacket by filling with brine putty. Use waterproof<br />

cement <strong>on</strong> all joints of the <strong>cork</strong> jackets, and then wire securely<br />

in place using not less than four wires to each jacket.<br />

Secti<strong>on</strong>al Covering.—Waterproof cement must be used <strong>on</strong> all<br />

lateral and end joints of secti<strong>on</strong>al covering. All joints must be

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