What is the R value of the 1.18"?

This is a good question that unfortunately I cannot readily answer looking at the description of the item which states: Good thermal insulation Rubber insulation pipe adopts closed cell structure, low thermal conductivity, stable temperature, and has the function of thermal insulation.....if we take the verbiage they elect to use indicates it "adopts" closed cell structure. Really !? it adopts ? So is it or isn't it ? It goes on to say it "has the function of thermal insulation", well I would think so !! Proclaiming it has the function as opposed to stating that it has the function....perhaps something is getting lost in translation... If I take what they say literally, i.e. that the material is in fact "closed cell rubber" then the following would apply to your question: This is closed-cell foam rubber, on the other hand, becomes rigid upon application and has an R-value range of 6 to 7.

Can this be used on underground sewage lines?

I suppose it depends how far underground and what kind of material (rocks / aggregate / sand etc.) it would be exposed to, it would eventually break down over time and or get crushed from the weight / force around it... it's not designed to be buried under ground , if you do, you do so at your own risk...

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Water Pipe Insulation Tubing 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4" Inner Diameter Foam Tube Insulation for 0.79"/1.18" Thick Wall Insulation Lagging Wrap(0.79",ID 1")

Water Pipe Insulation Tubing 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4" Inner Diameter Foam Tube Insulation for 0.79"/1.18" Thick Wall Insulation Lagging Wrap(0.79",ID 1")

Product ID: 517052073

Details

Brand
Plerile
Item Thickness
0.79 Inches
Manufacturer
SYSMG
Material
Rubber
Recommended Uses For Product
Pipe water

🔥Flame retardant & weatherproof

🌡️Low thermal conductivity 0.79" thick

🛠️Fits 3/4" to 4" pipes, versatile sizing

¥7814

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Description

🔥 Wrap your pipes in smart insulation — stay warm, save energy, and beat the chill! 🌡️

BUILT FOR EXTREMES - Industrial-grade flame retardant and waterproof design stands up to snow, rain, and blazing heat.
PRECISION FIT RANGE - Comprehensive sizes from 3/4" to 4" ID ensure perfect pipe coverage every time.
EFFORTLESS INSTALLATION - Cut, glue, and wrap—no extra layers or tools needed, saving you time and labor costs.
ULTIMATE THERMAL SHIELD - Closed-cell rubber foam locks in temperature, slashing heat loss and energy bills.
MULTI PURPOSE PROTECTION - Beyond pipes—ideal for insulating fitness gear handles and hoses, blending utility with lifestyle.

This premium rubber foam pipe insulation tubing offers a closed-cell structure with 0.79" thickness, providing superior thermal insulation and protection for pipes ranging from 3/4" to 4" inner diameter. Engineered for durability, it is flame retardant, waterproof, and resistant to extreme weather conditions. Easy to install with simple cutting and gluing, it also doubles as protective grip tubing for fitness equipment and hoses, making it a versatile solution for both residential and commercial applications.

Specifications

ASIN	B0BP26C7XB
Best Sellers Rank	#348,842 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #328 in Pipe Insulation
Brand Name	Plerile
Coverage	thermal insulation
Customer Reviews	4.0 4.0 out of 5 stars (175)
Item Thickness	0.79 Inches
Manufacturer	SYSMG
Manufacturer Part Number	DXKEJAEKZ-0990211B
Material Type	Rubber
Model Number	DXKEJAEKZ-0990211B
Recommended Uses For Product	Pipe protection, water pipe insulation, fitness equipment protection
Unit Count	1.0 Count

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¥7814

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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