3M Professional Grade 3350S Flexible Sealing HVAC Tape 1.88-in x 90 Feet

4.5

Get Pricing & Availability

Members save more.

This item is no longer sold on Lowes.com

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Learn More

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Learn More

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

Learn More

3M professional grade flexible HVAC sealing tape 3350S is a 3.1 mil thick silver polypropylene tape with an aggressive acrylic adhesive used for sealing flexible ducts and connector systems. This tape meets the requirements of UL181B-FX and is used by commercial contractors in the residential and commercial construction industry.

Hand tearable tape unwinds easily from the roll
Protects and insulates flexible ducts and connector systems
Durable cold weather acrylic adhesive provides long-term adhesion

General
Color/Finish Family	Silver	Package Quantity	1
Manufacturer Color/Finish	Silver	Grade	Professional
Series Name	Professional Grade 3350S Flexible Sealing	Use Location	Interior
Type	Foil tape	Backing Type	Polypropylene

Dimensions
Core Diameter (Inches)	3	Thickness	0.08
Length	90	Thickness Unit of Measure	Millimeters
Length Unit of Measurement	Feet	Width (Inches)	1.88

Features
Maximum Application Temp (Degrees F)	185	Minimum Application Temp (Degrees F)	-10
Maximum Service Temp (Degrees F)	185	Minimum Service Temp (Degrees F)	-40

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	None

Miscellaneous
UNSPSC	31201500

Check out the Best Selling HVAC Foil Tape on Lowes.com

Review

4.5 out of 5

43 Reviews

2 Star

80% Recommend this product

Ratings may include incentivized customer reviews.

43 Customer Reviews

Sort By

good product

just what I needed to repair our dryer vent line.

ddrsFebruary 25, 2024
Verified Purchaser

Was this Review Helpful ?

great tape

works as described, no issues with adhesive, sticks well

Buyer 34September 6, 2023
Verified Purchaser

Was this Review Helpful ?

Does not stick well

Would Not Recommend

Did not stick to metal duct work at all

JessierayAugust 22, 2023
Verified Purchaser

Was this Review Helpful ?

Response from 3M Social Care

Hello, thank you for taking the time to leave your review. Your experience is not what we would expect, and we would appreciate the opportunity to di...

3M Social CareAugust 25, 2023

3m-country-catalog

PERFECT FOR ALL YOUR BBQ TOOLS/ACCESSORIES

Would Recommend

ITS PERFECT JUST WHAT WE

EJCJAugust 8, 2023
Verified Purchaser

Was this Review Helpful ?

Durable

Would Recommend

Fixed our problem

Im meAugust 8, 2023
Verified Purchaser

Was this Review Helpful ?

Tough stuff

Would Recommend

Was able to fix piping that came undone in my attic

ExiledJuly 21, 2023
Verified Purchaser

Was this Review Helpful ?

2 Questions

Sort By

Deals by Department

Don't Miss These Deals

More Ways to Save

3M Professional Grade 3350S Flexible Sealing HVAC Tape 1.88-in x 90 Feet

Overview

Product Features

Specifications

General

Color/Finish Family

Package Quantity

Manufacturer Color/Finish

Grade

Series Name

Use Location

Type

Backing Type

Dimensions

Core Diameter (Inches)

Thickness

Length

Thickness Unit of Measure

Length Unit of Measurement

Width (Inches)

Features

Maximum Application Temp (Degrees F)

Minimum Application Temp (Degrees F)

Maximum Service Temp (Degrees F)

Minimum Service Temp (Degrees F)

Certifications

CA Residents: Prop 65 Warning(s)

Warranty

Warranty

Miscellaneous

UNSPSC

Community Q & A

2 Questions

2 Questions

Why do the specifications say 90 feet in length (30 yards) when the picture of the roll of tape says that the length is 10.89 yds?

why does it say Mastik when there is none?

3M: Featured Videos