Black FridayDealsBuying guidesBrandsStoresTermsPrivacydeal.ai apps

© Deal.ai Inc.

Deal.ai
Kingflex
Kingflex Self Adhesive Rubber Foam Sheet

Kingflex Self Adhesive Rubber Foam Sheet

Best price now

$23.99at AmazonObserved at 3:46 PM

Prices are checked against each store and labelled with when.

Visit Amazon

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Our take on the Kingflex Self Adhesive Rubber Foam Sheet

Kingflex self adhesive rubber foam sheet is closed-cell elastomeric insulation sold in rolls from 1/4 inch to 2 inches thick and 1 to 1.5 meters wide. It is aimed at pipe, duct and equipment insulation, with a service range of -50 to 110°C, low thermal conductivity and Class 0/Class 1 fire ratings. The best new price is $12.27 at eBay as of November 4, 2026, and only two stores list it new, so comparison shopping is thin.

Best for
Insulating chilled water and refrigeration lines
HVAC duct and plenum wrap
DIY pipe lagging where adhesive backing saves time
Sound and vibration damping on metal panels
Pros
  • Self-adhesive backing speeds installation on clean surfaces
  • Closed-cell structure resists moisture pickup
  • Wide thickness range covers both thin wrap and heavy lagging
  • Low thermal conductivity at cold temperatures
  • Class 0 and Class 1 fire ratings suit many code requirements
Cons
  • Only two stores list it new, so price competition is limited
  • Water absorption around 20% is higher than premium closed-cell foams
  • Adhesive needs a clean, dry, dust-free surface to hold
  • Wide 1 to 1.5 m rolls are awkward on small jobs
  • Fire and thermal claims should be checked against local code listings

Kingflex Self Adhesive Rubber Foam Sheet prices at every store

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $23.99Observed at 3:46 PM
    Visit store

Also available at

  • eBayCheck price at eBay

Kingflex Self Adhesive Rubber Foam Sheet price history

Lowest price we've seen: $23.99 on Nov 4 at Amazon. Tracked across 1 store since Nov 4.

Specifications

Thickness range
1/4" (6mm) up to 2" (50mm)Source
Roll widths
1m, 1.2m, and 1.5mSource
Temperature range
(-50 - 110)Source
Density range
45-65Kg/m³Source
Water vapor permeability
≤0.91×10 ﹣¹³Source
Thermal conductivity
≤0.030 (-20°C)Source
Fire rating
Class 0 & Class 1Source
Flame spread index
25/50Source
Oxygen index
≥36Source
Water absorption
20%Source
Dimension stability
≤5Source
Fungi resistance
GoodSource

Questions and answers

Is the Kingflex foam sheet worth it for pipe insulation?
For cold lines and HVAC work it is a reasonable budget option. Check that the thickness and fire rating meet your local code before buying.
How thick should I choose?
Use 1/4 to 1/2 inch for condensation control on cold pipes and thicker 1 to 2 inch sheet where you need more thermal resistance or sound damping.
Does the adhesive actually stick?
It bonds well to clean, dry metal, duct and plastic surfaces. Dust, oil or moisture under the tape will cause it to lift, so wipe the surface first.
Is it fire rated?
Kingflex lists Class 0 and Class 1 ratings with a flame spread index of 25/50. Confirm the certificate matches the thickness you order.
What comes in a roll?
Each roll is a single continuous sheet in the width and thickness you select, with adhesive backing on one side. Confirm width and thickness with the seller before ordering.
When is it cheapest?
The best new price was $12.27 at eBay as of November 4, 2026. With only two stores listing it, watch both for roll-size and shipping differences.
Where is the Kingflex Self Adhesive Rubber Foam Sheet cheapest?
At Amazon, for $23.99, as of our latest check.
Where can I buy the Kingflex Self Adhesive Rubber Foam Sheet?
2 stores we checked sell it, including Amazon, eBay.

Shoppers also compared

  • D
    DIY Reflective Insulation Sheet
    DIY Reflective Insulation Sheet
  • X
    XCEL Foam Roll with Self Adhesive
    XCEL Foam Roll with Self Adhesive
  • C
    CF Rubber Foam Insulation Sheet with Self Adhesive
    CF Rubber Foam Insulation Sheet with Self Adhesive
  • F
    Foam Sheets with Adhesive Backing Padding Neoprene Rubber Mat Closed Cell Sheet Anti-Slip Insulation Rubber Anti Vibration Square Pad (6" x 6" x 1/2", 8 Pcs)
    Foam Sheets with Adhesive Backing Padding Neoprene Rubber Mat Closed Cell Sheet Anti-Slip Insulation Rubber Anti Vibration Square Pad (6" x 6" x 1/2", 8 Pcs)
  • A
    Adhesive Foam Padding Roll Closed Cell Sponge Neoprene Insulation Board Foam Sheet Pad with Sticky Back for Anti Vibration, Anti-Slip, DIY Crafts, Gaskets, Cosplay, Costume (Black, 12x59x3/4 inch)
    Adhesive Foam Padding Roll Closed Cell Sponge Neoprene Insulation Board Foam Sheet Pad with Sticky Back for Anti Vibration, Anti-Slip, DIY Crafts, Gaskets, Cosplay, Costume (Black, 12x59x3/4 inch)
  • 1
    10PCS Grey Self-Adhesive EVA Foam Sheets 8.26x11.8inch Adhesive Foam Insulation Board for Art Supplies Cushioning Furniture Filling Gaps Packaging 2mm Thick Brown DIY
    10PCS Grey Self-Adhesive EVA Foam Sheets 8.26x11.8inch Adhesive Foam Insulation Board for Art Supplies Cushioning Furniture Filling Gaps Packaging 2mm Thick Brown DIY
  • 2
    2 Lb. Polyisocyanurate Foam Sheets
    2 Lb. Polyisocyanurate Foam Sheets
  • H
    Hello Hobby Multicolor Adhesive Foam Sheets, 40-Pack
    Hello Hobby Multicolor Adhesive Foam Sheets, 40-Pack