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Top Insulation Contractors in HonoluluHI

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Out of Network Insulation Contractors in Honolulu, HI

Frequently Asked Questions

What is insulation?

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Insulation is material that provides a barrier within a home’s walls, ceilings, and floors to regulate temperature and noise. If your home gets overly hot in the summer and cold in the winter, it’s likely not insulated properly.

Insulation efficiency is measured by R-value, which determines how resistant different types of insulation are to heat flow (or energy loss). R-values are measured by inch of thickness. The higher the R-value, the better the performance and the higher the price.

How much does insulation cost?

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Our project data lists insulation costs between $1,400 and $6,300, but your final price will depend on the type of insulation you choose, its R-value, and how much you need.

  • Fiberglass insulation: $0.30 – $1.50
  • Blown-in insulation: $1 – $2
  • Spray foam insulation: $0.50 – $2
  • Radiant insulation: $0.20 – $1
  • Rigid board insulation: $0.25 – $1

Luckily, insulation is one of the best investments you can make in your home—it has an ROI of at least 100%, meaning you’ll likely make back what you spend in a few years or so.

What is insulation made of?

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Insulation is made of many different materials, which can also impact the R-value needed for energy efficiency.

  • Fiberglass: The most common insulation material made from glass. Fiberglass is a skin and lung irritant, so you’ll need to wear gloves and clothing when working with fiberglass insulation.
  • Cellulose: Made from recycled paper products, plus borate for fire and insect resistance.
  • Foam: Made from polystyrene, polyisocyanurate, or polyurethane plastic. You can also install cement-based foam insulation using rigid foam boards.
  • Mineral wool: Made of fire-resistant rock wool, a mix of natural materials, or slag wool, made from a molten metal product.
  • Natural fibers: Made from various recycled natural materials, including cotton, sheep’s wool, and straw.

Where is insulation in a house?

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If your attic is unfinished or you’ve ever demolished an interior wall, you might notice batt or spray foam insulation between the studs. Putting insulation between your walls and floors helps keep your home comfortable and your energy costs down. In addition to walls and attics, you can install insulation in your garage, in floors above vented crawl spaces, and basements.

  • Garage Insulation: $0.50 to $1.25 per square foot
  • Floor and crawl space insulation: $1 to $5 per square foot
  • Basement insulation: $1.50 to $2.50 per square foot
  • Wall insulation: $1 to $4 per square foot
  • Attic insulation: $1,500 to $6,000
  • Roof insulation: $1,500 to $4,500 or more

What are the different types of insulation?

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There are a few types of home insulation, and they all are made of different materials— most commonly, fiberglass, cellulose, and foam. Insulation includes these materials in the following forms:

  • Loose-fill: Also called “blown-in,” loose-fill is sprayed into wall cavities, attics, and other oddly-shaped areas using special equipment. This insulation is usually made of fiberglass, cellulose, or mineral wool.
  • Batts: An affordable insulation blanket best for unfinished spaces, such as between framing, studs, or joists. They come in pre-cut sections suitable for DIY installation and are mostly made from fiberglass, though other versions are also available.
  • Rolls: Similar to batt insulation, but comes in rolls. Its make-up leaves less chance for gaps between sections and is more efficient than other types.
  • Foam board: One of the most popular insulation types that can be used almost anywhere in your home. Foam boards also have a high R-value.
  • Spray foam: Expands and hardens to fill gaps, small and large. Can be closed-cell or open-cell, but closed-cell has a higher R-value, making it more expensive per square foot.
  • Radiant barriers: Does not reduce heat flow but directs heat away from the home instead. Radiant barriers are DIY-friendly and affordable, but they won’t be as effective in the winter months.

Top Insulation Projects

HomeAdvisor Community Rating

Overall Rating:

Honolulu Insulation Contractors are rated 4.8 out of 5 based on 36 reviews of 3 pros.

The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.


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Recent Job Requests for Insulation Contractors in Honolulu, HI

  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Honolulu, HI
    Date: 10/08/22
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Honolulu, HI
    Date: 08/18/22
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 07/27/22
    Type of Noise: Conversation from a neighboring room
    Type of Noise: Exterior noise (traffic, airplanes, neighbors, etc.)
    Type of Noise: Loud music
    Soundproofing Locations: Windows
    Residence Type: Town house
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Comment: I have a newborn and simply want to do a pricing inquiry about soundproofing windows in his bedroom.
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Honolulu, HI
    Date: 06/10/22
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 04/12/22
    Type of Noise: Conversation from a neighboring room
    Type of Noise: Exterior noise (traffic, airplanes, neighbors, etc.)
    Type of Noise: Loud music
    Soundproofing Locations: Walls
    Soundproofing Locations: Windows
    Residence Type: Condominium
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Comment: I would like to explore soundproofing of my sliding glass door and windows and possibly the wall in my bedroom as well
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Honolulu, HI
    Date: 03/23/22
    Nature of Project: Insulation for new construction/addition
    Location: Home/Residence
    What type of insulation do you want?: Batt, rolled or reflective
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Property Owner: Yes
    Area of Home: Masonry walls
    Are you interested in financing?: Yes
    Comment: Need to demolish and rebuild entire home.
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 02/28/22
    Type of Noise: Floor/stairs squeaking
    Soundproofing Locations: Floors
    Residence Type: Condominium
    Location: Home/Residence
    Desired Completion Date: Within 1 week
    Request Stage: Planning & Budgeting
    Comment: Crosspointe noise transfer from upstais to downstairs
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 02/06/22
    Type of Noise: Conversation from a neighboring room
    Soundproofing Locations: Walls
    Residence Type: Single family residence
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Honolulu, HI
    Date: 02/01/22
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Property Owner: Yes
    Are you interested in financing?: No
    Comment: Existing rolled insulation had fallen onto ceiling attic. Need to have it re-installed.
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 01/18/22
    Type of Noise: Loud music
    Soundproofing Locations: Walls
    Soundproofing Locations: Windows
    Location: Business
    Desired Completion Date: Within 1 week
    Request Stage: Planning & Budgeting
    Comment: Fitness studio. Need to sound proof so neighboring businesses cannot hear music through walls
  • Project: Install Spray Foam Insulation
    Location: Honolulu, HI
    Date: 01/17/22
    Nature of Project: Insulation for new construction/addition
    Location of Installation: Floor
    Location: Home/Residence
    Desired Completion Date: Within 1 week
    Request Stage: Ready to Hire
    Area Description: Wall framing is exposed / unfinished
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 01/01/22
    Type of Noise: Conversation from a neighboring room
    Type of Noise: Loud music
    Soundproofing Locations: Walls
    Residence Type: Condominium
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Property Owner: Yes
    Comment: Water damage occurred from spinkler in unit four floors above mine. Walls were dried and cut about 4 feet from the floor, It is now time to replace the drywall and also a good opportunity to take care of the noise I get from neigbors next door. Most irritating are the music and tv noise I hear when they use sound bars on audio devices.
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 12/19/21
    Type of Noise: Construction noise
    Soundproofing Locations: Walls
    Residence Type: Town house
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Comment: Ideally I would like to have the ceilings replaced so I can reduce the impact noise from my upstairs neighbors. We currently have a dry wall, and would like to remove the entire ceiling, add a resilient channel to decouple and install whatever insulations and/or acoustic panels to dampen the impact noise.
  • Project: Soundproof a Room or Window
    Location: Honolulu, HI
    Date: 12/19/21
    Residence Type: Condominium
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Comment: Project is a condominium that requires sound abatement in the bedroom which is approx. 16’ x13’ ( 208 sq.ft.)

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