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Installation

Designed with the end user in mind, the DuraFlange has many features to speed up the installation process. A pocket has been formed at the base of the flange to allow for the addition of caulking material before inserting inside the pipe. This pocket ensures an airtight seal from both the inside and outside of the connection. The Dura Flange connector is joined and installed with sheet metal screws. Starting holes have been punched in the flange to simplify the installation of the screws.

DuraFlange Installation

DuraFlange Installation

Step 1

At an angle gently slid the flange on to the Spiro duct, make sure to overlap the flange inner wall before the Spiro duct inner wall.


Step 2

Once the flange inner wall is set inside the Spiro duct, place the rest of the flange in the same manner.

DuraFlange Installation

DuraFlange Installation

Step 3

Use the rubber hammer to nock the flange from the side to sit in inside the outer wall of the flange.


Step 4

Make sure that the flange is sitting inside the outer wall of the Spiro duct. Then gently ease the rest of the flange in.

DuraFlange Installation

DuraFlange Installation

Complete

Note from Step 2, the flange inner wall is sitting inside the inner wall of the Spiro duct.


Complete

Note from Step 3, the flange outer wall is sitting inside the outer wall of the Spiro duct.

DuraFlange Installation

Dura Flange is available in the fallowing sizes:
(standard / in stock)
Round Oval Custom
10'' to 20'' - All Sizes 22'' to 80'' - Even Sizes Minor Axis 10'' to 44'' -Even Sizes 10'' to 44'' Even Sizes Major Axis 20'' to 120''

Custom Sizes available on request

Our associations:

SMACNA
SPIDA
Sheet Metal Workers

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