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Finding the best insulation for an attic can make a real difference in how comfortable your home feels and how efficiently it holds temperature through the seasons. The right choice depends on where you need insulation most, whether that is the attic floor, attic hatch, or the stair opening itself.
When selecting a product from the list, pay close attention to fit, installation style, material type, and the area you want to insulate. Some products are designed specifically for pull-down attic stairs, while others are better suited for broader attic coverage like batts or radiant barrier rolls. It is also smart to consider the R-value or coverage area where it is provided, along with customer ratings and your budget.
Let’s get started!
Our Top Picks at a Glance
| Product | Best For | Buy Now |
|---|---|---|
| Attic Door Insulation Cover | Best Overall for Pull-Down Stair Covers | Buy |
| AtticFoil Radiant Barrier | Best for Large Radiant Heat Coverage | Buy |
| Owens Corning R-38 Fiberglass Batt | Best for High-R-Value Attic Batts | Buy |
Best Insulation for Attic
1. Best Overall: Attic Door Insulation Cover
- ATTIC COVER with Extra Thickness for Enhanced Insulation: Our attic stairs insulation cover features the highest quality wall thickness in the market, providing superior insulation and effectively stopping heat from entering your house. With its extra thickness, it significantly reduces air leaks and helps lower your utility bills year-round.
- DIMENSIONS FOR: 25" x 54" x 11" - Perfect Fit for Attic Hatch Opening: Designed to cover the full entrance to your attic door, our insulator has dimensions of 25" x 54" x 11". This ensures complete coverage while allowing sufficient space for the stairs to fold and fit securely beneath, keeping the insulation hidden in the attic.
- Convenient Easy Zipper Access: Our attic cover is equipped with an easy-to-use zipper, allowing for effortless entrance and exit when climbing up and down your pull-down attic stairs. You can quickly access the attic without the hassle of removing or readjusting the insulation each time.
This attic door insulation cover is designed for pull-down ladders and stair openings, making it a practical choice for homeowners who want to reduce air transfer through the attic access point. It lists an R-value of 15.6 and an extra-thick build, which makes it one of the strongest options in this category.
The product is sized at 25″ x 54″ x 11″, which is a common fit for many attic stair openings. It also includes an easy-install design and a fireproof build, making it appealing for people looking for a straightforward attic hatch solution.
With a 4.7 rating and steady demand, this is a strong pick if your biggest concern is the attic access door rather than full attic-floor insulation. It offers a focused fix for a common energy-loss area.
Pros
- High R-value listed
- Made for pull-down attic stairs
- Easy-install design
- Strong customer rating
Cons
- Only covers the attic access opening
- Not meant for full attic floor coverage
2. Best Value: Attic Stairway Insulation Cover
- 【Attic Insulation Cover】Attic Door Insulation Cover works during the entire year, hot summers and cold winters; Creates a seal at the attic door to prevent dust or pollutants from entering your home
- 【Attic Insulation Tent】This Attic Stairs Insulation Cover is made with premium foil bubble insulation inside to provide you with all-year-round energy savings insulating performance. Fits openings up to 25" x 54" x 11"
- 【Fireproof Material】Constructed of 2 layers of Aluminum and the air bubble in the second layer helps in blocking the heat transmission, reflects 97% of radiant heat, provides an R-Value of 14. 5. Premium material protect your house from affecting by moisture or humidity. Make your life more comfortable and health
This attic stairway insulation cover is another strong option for sealing a pull-down attic entrance. It is built as an energy-saving tent-style cover with a zipper, which makes attic access easier while still helping reduce heat transfer.
The product is sized at 25 in x 54 in x 11 in and is aimed at homeowners with ladder-style attic access. Its 4.7 rating suggests a solid experience for buyers who want a simple, targeted insulation solution.
If you want a well-rated stair cover without stepping into a more expensive attic-seal setup, this model is a dependable value choice. It is especially useful for improving comfort around the attic hatch area.
Pros
- Energy-saving tent design
- Zipper access for convenience
- Common attic-stair sizing
- High user rating
Cons
- Limited to attic stair openings
- Does not insulate the full attic space
3. Best for Large Coverage: AtticFoil Radiant Barrier
- AtticFoil - The ORIGINAL Do-It-Yourself Radiant Barrier Foil! Tearproof, commercial quality - ready to install. Reduce attic temperatures up to 30 degrees. FREE AtticFoil seam tape included. Other products will call their product (Attic Foil)
- We ONLY use PURE Aluminum – Double Sided Foil. We REFUSE to use the cheaper quality metalized plastic film product like many of our competitors - basically, a potato chip bag. These products will degrade over time in a hot attic. THIS is the difference between 97% reflectivity and 95% reflectivity.
- Perforated – AtticFoil has tiny holes to allow moisture to pass through. This reflective insulation is NOT a vapor barrier (You don’t want a vapor barrier in your attic that can trap moisture, leading to air quality issues). All products have an internal tearproof tarp-like fabric.
AtticFoil is a radiant barrier insulation roll built for larger attic coverage, with 1000 sq ft of material in a 48-inch-wide format. It is described as tearproof, perforated, breathable, and made from double-sided pure aluminum foil.
The product is designed to block 97% of radiant heat, which makes it a useful option for attic spaces where reflective insulation is the main priority. A free tape is also included, which may help with installation planning.
With a rare 5-star rating, this roll stands out for homeowners who want a broad, attic-wide reflective solution rather than a stair cover. It is a serious pick for bigger projects.
Pros
- Large 1000 sq ft roll
- Blocks 97% of radiant heat
- Breathable and perforated design
- Top rating
Cons
- Requires installation across a larger area
- May be more than needed for small attic fixes
4. Best for Spray Application: BEEST FullStop Spray Foam Insulation Kit
- CLASS A FIRE-RATED PROTECTION WITH R-8.24 PERFORMANCE: BEEST FullStop spray foam insulation kit is Class A fire-rated & meets ASTM E84 fire safety standards for safer, more confident applications. Delivers strong thermal resistance & acoustic insulation with an R-Value of 8.24 at 2” thickness.
- ALL-IN-ONE SPRAY INSULATION FOAM KIT FOR ~240 BOARD FT COVERAGE: Skip the contractor & start insulating with everything in one box. Includes 12 foam cans, 1 heavy-duty spray foam insulation gun, solvent-based cleaner, gloves, goggles & coverall for a smooth insulation job right out of the box.
- ADVANCED HYBRID FORMULATION WITH CLOSED-CELL STRENGTH & OPEN-CELL EXPANSION: Unlike competitors, BEEST combines a closed-cell outer skin for strength, moisture resistance & high R-value with an open-cell core for expansion, flexibility & coverage. Ideal for basements, roofs, sheds, garages & more.
This spray foam insulation kit is designed for walls and attics, and it comes as a full kit with 12 cans, cleaner, a pro X gun, and safety gear. It is listed as fire rated and offers thermal and soundproofing benefits.
At 240 board ft, it is a more involved solution than a cover or roll, but it can be useful where spray application is preferred. The kit format makes it more complete for users who want the required tools included in one package.
Its 4.3 rating indicates decent buyer satisfaction, and the inclusion of accessories may make it attractive for those who want a ready-to-use project kit. It is best suited to more hands-on installation needs.
Pros
- Complete kit with accessories
- Fire rated
- Made for walls and attics
- Includes thermal and soundproofing claims
Cons
- More expensive than simple attic covers
- Requires spray foam application experience
5. Best for Easy Access: Premium Energy Saving Attic Door Cover
- [ Premium ] Constructed of of Aluminum Material with insulation inside to allow for an all year round energy savings in your home! Fits doorways that are 25" x 54".
- [ Easy & Fast Installation ] Easy to follow instructions included.
- [ Attic Seal ] Creates a seal at the attic door to prevent dust or pollutants from entering your home. Increases HVAC efficiency.
This premium attic door insulation cover is built for stairway openings and pull-down attic access. Its easy-access zipper design makes it practical for homeowners who need to get in and out of the attic without removing the cover entirely.
The size is listed at 25″ x 54″ x 11″, which is a familiar format for attic stair covers. With a 4.7 rating, it fits the category of reliable, well-reviewed barrier-style insulation products.
When your main problem is the attic access door leaking air, this cover is a straightforward fix. It is especially appealing if you want something simple that still helps improve insulation at the opening.
Pros
- Easy access zipper
- Common attic opening size
- Strong rating
- Good fit for stair openings
Cons
- Not meant for full attic insulation
- Same size may not fit every opening
6. Best Budget Roll: Reflectix Bubble Pack Insulation
- Reflective insulation for use in a crawl space, attic, wall, metal buildings and post and frame structures
- Fiber free, environmentally safe, easy to install and lightweight
- Made up of seven layers, two outer layers of aluminum foil reflect most of the heat which hits them
Reflectix BP24025 is a bubble pack insulation roll measuring 24 inches by 25 feet. It is a flexible option for projects where a compact reflective material is useful.
With a 4.8 rating, it has strong customer feedback and may appeal to DIY users looking for a manageable roll size. The product type is especially relevant when reflective insulation is needed in a smaller, more controlled application.
This is a practical choice if you want a budget-friendly reflective material rather than a full attic system. Its size makes it easier to handle than larger rolls.
Pros
- Compact roll size
- High rating
- Flexible material format
- Good for targeted projects
Cons
- Limited coverage compared with larger rolls
- May not suit full attic projects
7. Best Premium Radiant Barrier: Original Attic Radiant Barrier
- AtticFoil - The ORIGINAL Do-It-Yourself Radiant Barrier Foil! Tearproof, commercial quality - ready to install. Reduce attic temperatures up to 30 degrees. FREE AtticFoil seam tape included. Other products will call their product (Attic Foil)
- We ONLY use PURE Aluminum – Double Sided Foil. We REFUSE to use the cheaper quality metalized plastic film product like many of our competitors - basically, a potato chip bag. These products will degrade over time in a hot attic. THIS is the difference between 97% reflectivity and 95% reflectivity.
- Perforated – AtticFoil has tiny holes to allow moisture to pass through. This reflective insulation is NOT a vapor barrier (You don’t want a vapor barrier in your attic that can trap moisture, leading to air quality issues). All products have an internal tearproof tarp-like fabric.
This original attic radiant barrier comes in a 1000 sq ft roll at 48 inches wide, giving you broad coverage for attic projects. It is made of tearproof perforated and breathable double-sided aluminum foil insulation and includes free tape.
The product is designed to block 97% of radiant heat, which is a central selling point for homeowners who want to address heat gain from above. Its 5-star rating makes it especially notable in a category where buyers often compare performance carefully.
If your attic needs a large-area reflective barrier, this product is one of the most compelling options in the list. It is aimed at bigger coverage needs rather than small patch repairs.
Pros
- Very large coverage area
- Blocks 97% of radiant heat
- Tearproof and breathable
- Includes free tape
Cons
- Requires installation over a large space
- Not a simple plug-and-play cover
8. Best Commercial Grade Roll: US Energy Products Radiant Barrier
- 1,000 SQUARE FEET PER ROLL: Our insulation foil roll measures 250 feet in length and is 4 feet wide. This gives you 1,000 square feet of reflective insulation roll. Studies have shown that aluminum reflective barrier can result in a noticeable temperature drop in your home during the summer. It can also help reduce cooling costs by 10-45% depending on your climate region.
- HIGHLY REFLECTIVE: 99.7% Reflective Value. Double-sided and tear-resistant, our foil’s material is highly reflective to reflect radiant heat rather than absorb it. The industrialized strength foil is remarkably thin to the touch. It is designed to withstand heavy handling without tearing, puncturing, or overly wrinkling. Cuts easily with utility scissors so you can install it properly with ease with no special tools or protective equipment required.
- EASY TO MAINTAIN: Works for both new and pre-existing house and buildings. The material is unaffected by humidity and climate changes so no further maintenance is required upon installation. This insulation foil is a superior alternative to bulky insulation such as foil-faced bubble wrap.
US Energy Products offers a commercial-grade radiant barrier insulation roll with 1000 sqft of coverage and a 4-foot width. It is perforated and described as no-tear, making it a sturdy option for attic applications.
The reflective foil format is intended to help with solar attic heat management and roof-related insulation needs. A 4.6 rating suggests good buyer confidence in the product.
This roll is best for users who want large-scale reflective coverage from a commercial-grade material. It fits well into attic insulation plans where radiant heat control matters.
Pros
- Commercial grade material
- Large 1000 sqft roll
- No-tear perforated design
- Strong rating
Cons
- Best for larger installations
- May require more setup than smaller products
9. Best for Reflective Foil: Houseables Radiant Barrier
- 1,000 SQUARE FEET PER ROLL: Our insulation foil roll measures 250 feet in length and is four feet wide. This gives you 1,000 square feet of reflective insulation roll. Studies have shown that aluminum reflective barrier can result in a noticeable temperature drop in your home during the summer. It can also help reduce cooling costs by 10% depending on your climate region.
- HIGHLY REFLECTIVE: >97% Reflective Value. Double-sided and tear-resistant, our double reflective insulation material is highly reflective to reflect radiant heat rather than absorb it. The industrialized strength foil is remarkably thin to the touch. It is designed to withstand heavy handling without tearing, puncturing, or overly wrinkling. Cuts easily with utility scissors so you can install it properly with ease with no special tools or protective equipment required.
- EASY TO MAINTAIN: Our aluminum insulation roll is non-toxic and does not promote the growth of fungi or bacteria nor does it provide nesting support for rodents or insects. Works for both new and pre-existing buildings. The material is unaffected by humidity and climate changes so no further maintenance is required upon installation. This insulation foil is a superior alternative to bulky insulation such as foil-faced bubble wrap.
Houseables offers a radiant barrier insulation roll with 1000 square feet of coverage in a 250′ x 4′ format. It uses reflective foil with a double reflective heat shield design and perforated aluminum construction.
This product is aimed at attic insulation and house wrap applications, making it a versatile reflective option. Its 4.5 rating places it among the solid choices in the radiant barrier category.
If you are looking for a full-roll reflective insulation solution, this is a reasonable comparison point. It offers broad coverage and a familiar aluminum foil style.
Pros
- Large 1000 sq ft roll
- Double reflective design
- Perforated aluminum construction
- Useful for attic applications
Cons
- Installation is more involved than a cover
- Best for users who need full-roll coverage
10. Best Narrow Roll: RadiantGUARD Radiant Barrier Xtreme
- #1 Reason to Choose RadiantGUARD Xtreme - VERIFIED QUALITY - Meets & Exceeds ASTM C1313 Radiant Barrier Certification by passing all internationally required compliance testing including surface emittance, water vapor transmission, surface burning characteristics, corrosivity, tear resistance, and adhesive performance resulting in a superior Class A / Class 1 fire rated building product that satisfies local, state and federal building codes. Summary certification shown in product photos.
- Drop attic temps by 30 degrees and lower utility bills year round. Commercial grade (2-3X heavier than some competitors) highly reflective radiant barrier attic foil BLOCKs 95% of radiant heat gain and loss keeping home temps consistent.
- DIY install by stapling to the underside of attic roof rafters with staple gun. Don't forget to also install on all vertical exterior walls in attic (gable walls) to get complete coverage between indoor attic area and outdoors.
RadiantGUARD Radiant Barrier Xtreme offers 542 square feet of attic insulation in a 26-inch by 250-foot roll. Its narrower width can make it easier to work with in certain attic layouts.
The product is designed as a radiant barrier for attic insulation and has a 4.7 rating, which puts it among the stronger-reviewed roll options in the lineup. It is a more compact large-roll solution compared with some of the 1000 sq ft products.
This is a good option for buyers who want a radiant barrier with a more manageable width. It still provides a meaningful coverage area for attic heat control.
Pros
- More manageable width
- Good total coverage
- Strong customer rating
- Designed for attic insulation
Cons
- Less coverage than 1000 sq ft rolls
- Still requires installation across the attic
11. Best for Floor-Ceiling Fit: Owens Corning R-30 Unfaced Fiberglass Batt
- $20 off if you pick up in one of our 150 warehouses through out the US
- Two Bundles of 4 bags each=8 total bags (10 pcs in each bag) cover a total of 426.64 square feet
- Unfaced! No Moisture Barrier
This Owens Corning fiberglass batt insulation package includes 427 square feet across 8 bags and is designed for R-30 use. It is specified to fit 2×10 floor-ceiling and attic spaces.
For buyers looking into traditional fiberglass insulation, this product is a recognizable attic solution. It is suitable for those planning a more standard insulation install rather than a barrier or hatch cover.
Its 4.4 rating indicates decent satisfaction, and the large packaged quantity makes it a practical option for covering a significant area. It is better suited to full attic installation work than small targeted improvements.
Pros
- Traditional fiberglass batt insulation
- Designed for attic and floor-ceiling use
- Large coverage package
- Recognized brand name
Cons
- More expensive than smaller attic accessories
- Requires full installation work
12. Best High R-Value: Owens Corning R-38 Unfaced Fiberglass Batt
- Attic This product is recommended for an attic application. Place this in between your trusses. For unfaced insulation make sure there is 2 inches of properly vented air space to prevent moisture in the insulation.
- In the Bags There are 8 Batts per Bag for a Total of 64 SQFT per Bag. Bulk listing of 8 Bags or Two Bundles of 4 Making the Total Square Footage for this Product 512 sqft.
- Contains no Paper Backing, Kraft Facing, on Material. This Product Cannot be Used for Exterior Walls, but Works well for Interior Walls, Floors, Ceiling. Even Attic spaces with 2 or More Inches of Air Space with Proper Ventaltion.Can be used for Soundproofing
These Owens Corning R-38 unfaced fiberglass batts come in 8 bags with a total of 512 square feet and are sized 24 by 48 inches. They are designed to fit 2×12 attic spaces.
With a 4.9 rating, this product stands out as a highly rated traditional insulation choice. It is a strong option for anyone comparing higher R-value attic batt products.
This makes sense for buyers who want a standard insulation solution for a larger attic project. Its higher rating and coverage make it one of the more appealing conventional insulation options.
Pros
- High R-38 rating
- Large total coverage
- Excellent customer rating
- Fits 2×12 attic spaces
Cons
- Requires full batt installation
- More costly than small insulation accessories
13. Best Faced Batt: Owens Corning R-38 Kraft Faced Fiberglass Batt
- Attic This product is recommended for an attic application. Place this in between your trusses. For unfaced insulation make sure there is 2 inches of properly vented air space to prevent moisture in the insulation.
- In the Bags There are 8 Batts per Bag for a Total of 42.67 SQFT per Bag. Bulk listing of 8 Bags or Two Bundles of 4 Making the Total Square Footage for this Product 341.36 sqft.
- Kraft Facing is a Paper Backing on Insulation. This Backing Provides a Moisure Barrier/Retardent, Required in Exterior Walls. Faced Materials can be Used in Any Application for Exterior Walls, Interior Walls, Ceiling, Floors, Cathedral Ceilings, and Attic
This Owens Corning R-38 kraft faced fiberglass batt package includes 341 square feet across 8 bags and is sized 16 by 48 inches. It is designed for 2×12 attic applications.
The product has a 3.5 rating, so it does not stand out as strongly as some other options here, but it may still appeal to users specifically seeking kraft faced fiberglass batt insulation. It remains part of the traditional attic insulation category.
If you want a faced batt format rather than an unfaced one, this is the relevant option in the list. Just note that the rating is lower than several alternatives.
Pros
- R-38 fiberglass batt
- Kraft faced format
- Suitable for attic use
- Recognized brand
Cons
- Lower rating than other products
- Less coverage than some other batt options
14. Best Entry-Level Cover: Premium Energy Saving Attic Stairs Cover
- 【PREMIUM ENERGY SAVING】The Thermal Armor attic cover insulator regulates temperature year-round. It cuts energy costs and ensures comfort in every season. The aluminum foils block air exchange, maintaining a comfortable environment.
- 【Easy to Use】Installing our attic tent is a seamless process. This insulation shield effortlessly accommodates openings up to 54' x 25'' x 11'' providing optimal energy efficiency. The double zipper ensures quick access at any time.
- 【Improved Air Quality】 Seal off your attic entrance with our door insulator, preventing pollutants from entering your home. Engineered to create a secure seal, our attic insulation shield effectively promotes a healthier environment for your house.
This attic stairs insulation cover is an extra thick, double bubble design made to fit 54″ x 25″ x 11″ pull-down doors. The package includes a full set and is intended to provide an energy-saving barrier at the attic entrance.
With a 4.5 rating, it sits comfortably among the better-reviewed stair covers. It is a universal-size style product, which can be appealing if your attic stair dimensions match the listed fit.
This is a sensible choice for buyers who want a simple, targeted solution for the hatch area. It is not a whole-attic option, but it may be enough to address a common leak point.
Pros
- Extra thick double bubble build
- Universal-size style fit
- Includes full set
- Good rating
Cons
- Only for attic stair openings
- Fit depends on opening size
15. Best Lightweight Cover: Attic Door Insulation Cover 25″x54″x11″
- 【All-Year Airtight Seal Protection】Designed for year-round performance, the LEMOONE Attic Door Insulation Cover creates an airtight seal around your attic opening. It effectively blocks dust, moisture, and unwanted air exchange, helping prevent heat loss in winter and cool air leakage in summer.
- 【Upgraded Thicker Insulation】Made with premium double-layer aluminum foil and an upgraded high-density insulation bubble core, this attic tent is improved to an R-Value of 15.5, reflecting up to 97% of radiant heat. The waterproof and fire-resistant construction enhances durability, safety, and long-term performance.
- 【Quick & Easy Installation】Simply unfold the attic cover, place it over the attic opening, and staple it directly to the door frame. Even first-time users can complete the installation quickly, easily, and hassle-free.
This attic door insulation cover is sized at 25″ x 54″ x 11″ and is designed as an energy-saving tent for pull-down attic stairs. It uses thicken aluminum foil insulation and includes a zipper for access.
Its listed R-value is 15.5, and it is described as fireproof, making it a useful option for homeowners who want a compact and functional stair-cover solution. The product holds a 4.6 rating.
If your goal is to reduce draft and heat loss through the attic doorway, this model is a strong contender. It focuses on the access point rather than the attic floor itself.
Pros
- Listed R-value of 15.5
- Fireproof description
- Zipper access
- Good rating
Cons
- Only covers the attic access doorway
- Does not replace full attic insulation
Buying Guide
Key Buying Criteria
The best attic insulation product for your home depends on what you are trying to fix. A stair cover helps regulate air leakage at the attic opening, while a radiant barrier roll is better for broad reflective coverage. Fiberglass batts are more traditional and are usually chosen for larger attic installation projects.
Type of Insulation
Before buying, decide whether you need a cover, radiant barrier, spray foam kit, or fiberglass batt. Each one serves a different purpose, and the wrong type can leave your main heat-loss area untreated.
Size and Fit
For attic stair covers, exact dimensions matter. Many of the covers listed are designed for 25″ x 54″ x 11″ openings, so check your attic hatch before purchasing. For rolls and batts, coverage and fit to framing space are important.
R-Value and Coverage
Some products list an R-value, while others focus on radiant heat blocking or square footage coverage. Compare those details carefully so you know whether you are choosing a targeted fix or a full insulation solution.
Installation Difficulty
Attic covers are generally simpler to deal with than spray foam or batt installation. If you want a faster project, a stair cover may be ideal. If you are tackling a full attic upgrade, rolls and batts will likely require more time and effort.
Budget
Prices vary widely between attic covers, rolls, spray foam kits, and fiberglass batt bundles. A smaller product may solve one problem for a lower cost, while full attic materials can be a bigger investment but cover more area.
Frequently Asked Questions
What is the best insulation for an attic hatch?
For attic hatches and pull-down stairs, an attic door insulation cover is usually the most direct answer because it is designed specifically for that opening.
What type of attic insulation covers the most area?
Large radiant barrier rolls and fiberglass batt packages cover the most space among the products listed.
Are attic stair covers worth it?
Yes, if your attic access is a major source of air leakage. They are a practical way to address a common problem without insulating the entire attic.
Should I choose a radiant barrier or fiberglass batt?
Choose based on your goal. Radiant barriers are focused on reflective heat control, while fiberglass batts are a traditional insulation solution for broader attic coverage.
Is spray foam a good attic insulation option?
Spray foam can be a useful option for specific applications, especially when using a kit designed for attics and walls. It is more involved than covers or rolls, though.
How do I know what size attic cover to buy?
Measure your attic stair opening carefully and compare it to the product dimensions. Many of the covers listed are sized for common 25″ x 54″ x 11″ openings.
Conclusion
Choosing the Best Insulation For Attic depends on whether you want to seal an attic stair opening, reflect heat across a large area, or install traditional fiberglass insulation. For many homeowners, an attic door cover is the simplest and most affordable improvement, while radiant barrier rolls and fiberglass batts are better for larger projects.
If you want the most targeted fix, start with an attic stair cover. If you want broader attic coverage, compare the radiant barrier and fiberglass options more closely. Either way, the right insulation choice can help make your attic more efficient and your home more comfortable.