Shurtape SF-685 Shurflex Indoor/Outdoor Mastic On A Roll

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Shurtape SF-685 Shurflex Indoor/Outdoor Mastic On a Roll is used for air-tight and moisture-free sealing of rigid and flexible air duct systems. Used primarily to seal sheet metal duct in both indoor and outdoor applications and used as a permanent, water resistant sealer. Use duct mastic to mend poorly sealed connections; improve indoor air quality (since fewer pollutants circulating); lower utility bills; and burn fewer fossil fuels. UL 723 classified. Features include:

  • Waterproof backing.
  • Stays supple and forms a permanent bond to substrate.
  • Aluminum foil backing may be painted with any paint recommended for aluminum.
  • Contains no asbestos, CFCs or PCBs.

NOTE: To purchase 2-inch or 3-inch butyl rubber mastic in single roll quantities without any minimums please see Nashua 360-17.

View Product Data Sheet
Technical Specifications

Shurtape SF-685 Shurflex Indoor/Outdoor Mastic On A Roll Specifications

  • Adhesive: non-flammable, 100% solid, butyl rubber   How are adhesives different?
  • Carrier/Backing: paintable, printed, 2 mil aluminum foil
  • Release Liner: LDPE (low-density polyethylene) film
  • Thickness: 17 mils (carrier, adhesive)    What is a mil?
  • Adhesion: 255 ounces per inch (to stainless steel)
  • Tensile Strength: 25 pounds per inch (longitudinal)
  • Application Temperature: 35°F to 110°F
  • Service/Operating Temperature: -20°F to 200°F
  • Elongation: 560%
  • Flame Spread Index: 10
  • Smoke Development Index: 35
  • Certifications: UL 723; Pressure Classes SMACNA 1/2,1,2,3,4,6; Seal Classes A, B, C; LEED Point Contributor Product
  • Core: 3" diameter
* specifications are those given by manufacturers and are not tested for accuracy
Shurtape SF-685 Shurflex Indoor/Outdoor Mastic On A Roll View Larger ImageExtra Images Not Available
Ordering Options
Quantity:    Rolls or Cases? View Complete Pricing on all Available Sizes
Color: Silver
Roll Size: **
$ Price per item will display once
the above selections are made.
** Adhesive tape products are NOT guaranteed to be splice-free. Sizes shipped will typically be the tape industry standard metric-cut sizes, i.e. 24mm for each 1 inch of nominal tape width ordered (rolls are approximately 5% narrower than the nominal size). Please contact us to inquire about pricing for full-cut widths; e.g. a 6 inch roll cut to 152mm instead of 144mm.
Go back to Ordering Options form
Pricing Table
ROLL SIZEITEM #ROLLS IN A CASEPRICING SCHEDULE
QUANTITYPRICE PER ROLLPRICE PER FULL CASE
SPECIAL ORDER SIZES **
2 in. x 100 ft.
Actual Size: 48mm x 30.5m
* typically takes approximately 10 extra business days to ship
SF-685/210024SINGLE ROLL

(1 to 23 rolls)

1 TO 4 CASES

(24, 48, 72, ... rolls)

5 TO 9 CASES

(120, 144, 168, ... rolls)

10+ CASES

(240, 264, 288, ... rolls)

* 1 case
minimum required

$28.81

 

$28.08

 

$27.60

 

 
 

$691.44

 

$673.92

 

$662.40

 

3 in. x 100 ft.
Actual Size: 72mm x 30.5m
* typically takes approximately 10 extra business days to ship
SF-685/310016SINGLE ROLL

(1 to 15 rolls)

1 TO 4 CASES

(16, 32, 48, ... rolls)

5 TO 9 CASES

(80, 96, 112, ... rolls)

10+ CASES

(160, 176, 192, ... rolls)

* 1 case
minimum required

$43.20

 

$42.13

 

$41.40

 

 
 

$691.20

 

$674.08

 

$662.40

 

** special order sizes are not returnable (and non-cancelable if material has been ordered or cut before the cancellation request was made)
** special order sizes for this item typically ship direct from our supplier so will not ship together with stocked products
** minimum requirements are due to the fact that the product size is non-stock
** if a particular size has a minimum item requirement please only purchase that size in multiples of that minimum, e.g. if the minimum is 12 then purchase as 12, 24, 36, etc.

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