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THERMIX BAG 40# RNS-TMG

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M&G DURAVENT
$33.02
Availability:
NORMALLY IN STOCK

 Product Description

THERMIX BAG 40# RNS-TMG 

Use to fill space between a liner and inside masonry chimney.

 Ready-mix formula cures into lightweight. Semi hard mass that

 insulates the liner and dissipates the intense heat created in a

 chimney fire.

 *Use Table 1 to estimate the number of TherMix bags or boxes

 needed to do the job.

 • Find the flue opening that comes closest to the one being lined,

 the left hand column.

 • Find the size of the liner to be installed across the top line.

 • Where the values intersect, read the cubic foot volume of

 TherMix per foot of chimney height.

• Multiply this volume by the height (in feet) of the chimney.

 • Divide the cubic feet calculated in the previous step by 3.25.

 This answer will determine the number of bags/boxes of

 TherMix needed.

Packages of

TherMix

=

(W" x D" x H") - (CS x H")

1728 cu. in.

÷ 3.25

Example:

A 28' chimney with a flue opening of

8.5" x 8.5" is to be lined with a 6" liner.

As shown in Table 1, .30ft

 3 of TherMix

is needed per foot of chimney height.

Multiply .30 by 28 (the height of the

chimney), to get 8.4ft

 3. Now divide 8.4

by 3.25 (the approximate volume yield

per bag of TherMix), to obtain 2.6 bags/

boxes of TherMix to complete

the installation.

*Masonry chimneys are not uniform

structures. Have extra bags/boxes

available in case you need them. If there

is an installation not covered by table 1,

refer to the formula below:

W = Width of flue opening (in inches)

D = Depth of flue opening (in inches)

H = Height of flue (in inches)

CS = Cross Section areas of chimney liner (table 2)

table1.jpg

 

table2.jpg

 

 

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