Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
be insulated with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be insulated with" is not correct in standard English usage.
It is typically used incorrectly; the correct form would be "be insulated by" or "be insulated from." Example: "The pipes need to be insulated from the cold to prevent freezing."
⚠ May contain grammatical issues
Science
News & Media
Wiki
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
To reduce its energy consumption, the Building and Construction Authority requires that all new structures be insulated with materials designed to retain cool temperatures.
News & Media
Few Americans, she says, are aware that the roofs of 35m homes may be insulated with material containing asbestos (which is linked to a cancer called mesothelioma).
News & Media
These should also be insulated with spray foam, rigid foam board, or any chosen method of insulating material.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The inner pipe is insulated with thermal insulation materials to achieve the required arrival temperature.
Broder et al. (1991) investigated a large group of about 200 control homes and 600 houses that had been insulated with urea formaldehyde foam insulation (UFFI) and then, due to complaints and government-provided subsidies for UFFI removal, about half of the UFFI houses were remediated to remove the insulation.
The calculations indicated that the temperature was nearly the same when the attic was insulated with 200 to 500 mm; hence increased insulation was not a problem.
Science
The garage had been insulated with Johns-Manville fibre glass.
News & Media
The bottom side was insulated with 0.1 m of polystyrene.
Science
The walls were insulated with Ultratouch, which is made from shredded blue jeans.
News & Media
The leg wires were insulated with two layers of cotton thread, wound in opposite directions.
Encyclopedias
The house has radiant heat and is insulated with straw bales.
News & Media
Expert writing Tips
Best practice
Prefer the phrase "be insulated by" when indicating the material providing insulation. For example, "The house is insulated by fiberglass."
Common error
Avoid using "be insulated with" as it's not grammatically standard. Instead, use "be insulated by" or "be insulated against" to maintain clarity and correctness in your writing.
Source & Trust
84%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be insulated with" functions as a passive construction, indicating that something is receiving insulation. However, Ludwig AI indicates that this is not a standard or correct usage, suggesting that alternatives like "be insulated by" or "be insulated against" are more appropriate.
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "be insulated with" aims to convey the idea of something being protected by an insulating material. However, Ludwig AI flags this phrasing as grammatically incorrect. While it appears in a variety of sources including news, science and wiki articles, it is recommended to use more grammatically sound alternatives like ""be insulated by"" or "be insulated against". It's essential to consider the context and choose the most appropriate and grammatically correct alternative to ensure clarity and precision in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be insulated by
Uses 'by' to indicate the material or method doing the insulating, which is grammatically correct.
be insulated against
Focuses on protection from something, such as heat or cold.
be protected by
Emphasizes the protective function of the insulating material.
be shielded from
Highlights the shielding aspect, often used when referring to electromagnetic or radiation protection.
have insulation made of
Specifies the composition of the insulation.
be thermally isolated with
Focuses specifically on thermal insulation.
be lined with insulation
Describes the physical act of lining something with insulating material.
be clad with insulation
Implies an outer layer of insulation.
be packed with
Suggests a dense filling of insulating material.
be layered with
Highlights the layering of insulation.
FAQs
What is the correct way to say something is protected by insulation?
The correct phrase is "be insulated by" followed by the insulating material, such as "The pipes are "be insulated by" foam". Alternatively, use "be insulated against" to indicate what it's being protected from.
Is "be insulated with" grammatically correct?
No, "be insulated with" is generally considered grammatically incorrect. The preferred phrasing is ""be insulated by"" or "be insulated against".
What can I say instead of "be insulated with"?
You can use alternatives like ""be insulated by"", "be insulated against", or "be protected by" depending on the context.
Which is correct, "be insulated with" or "be insulated by"?
"Be insulated by" is the grammatically correct option. "Be insulated with" is generally considered incorrect.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
2.5/5
Expert rating
Real-world application tested