What is R-38 fiberglass batt insulation and how does it work?

R-38 fiberglass batt insulation is a type of thermal insulation designed to minimize heat transfer, keeping your home warm in winter and cool in summer. It achieves this through its high-density structure, which traps air within its fibers. For installations, such as in attics with 2x10 framing, this insulation fits snugly, creating a barrier against energy loss. Utilizing R-38 insulation can significantly reduce energy bills over time, making it ideal for climate-controlled areas.

How many bags of R-38 insulation do I need for my attic?

For a standard attic space of 320 square feet, you will need a total of 8 bags of R-38 unfaced fiberglass batt insulation. Each bag typically covers 40 square feet, so dividing your total square footage by the coverage provides the exact number of bags required. This calculation ensures that you have adequate insulation to achieve optimal energy efficiency, preventing heat loss and enhancing comfort throughout your home.

Can R-38 insulation be used in cathedral ceilings?

Yes, R-38 unfaced fiberglass insulation is ideal for cathedral ceilings, particularly in areas where space for traditional insulation is limited. The high density of this insulation allows it to fit snugly between joists or rafters. When properly installed, it can effectively reduce heat transfer, maintaining consistent temperatures in your living space while also preventing condensation and potential moisture problems.

What is the difference between unfaced and faced insulation?

Unfaced insulation lacks an additional vapor barrier, which makes it more versatile for various applications, including attics. Faced insulation, on the other hand, comes with a moisture-resistant barrier that is useful in areas prone to humidity. Using unfaced insulation allows for a more seamless installation in spaces where moisture control is not a concern, such as in attics with adequate ventilation. It’s important to choose the right type based on your specific insulation needs.

Is R-38 insulation fire-resistant?

Fiberglass insulation, including R-38 products, is inherently non-combustible, meaning it won't ignite and burn like some materials. While it can withstand high temperatures, it’s essential to maintain proper installation practices to prevent any fire hazards. In structures, this means avoiding gaps and using appropriate barriers where necessary. The fire-resistant properties of fiberglass help enhance safety in residential settings, allowing for efficient insulation without compromising safety.

How is R-38 insulation installed?

Installing R-38 fiberglass batt insulation involves first measuring the space to ensure precise fits. Begin by laying the batts between the joists or rafters without compressing them, as maintaining their thickness maximizes efficiency. Cutting the batts to fit around any obstacles is key to a tight seal. This method effectively minimizes air gaps, ultimately improving the insulation’s thermal performance. Proper installation aids in the overall energy efficiency of your home.

What are the benefits of using high-density fiberglass insulation?

High-density fiberglass insulation, such as R-38, offers excellent thermal performance and energy efficiency, making it an ideal choice for insulation needs. It provides superior resistance to heat transfer, which can lead to significant energy savings. Additionally, its high density helps in sound insulation, reducing unwanted noise transmission between rooms. This makes R-38 suitable for quiet spaces such as home theaters or bedrooms, enhancing comfort and livability in your home.

Can I install R-38 insulation myself, or should I hire a professional?

While many homeowners can successfully install R-38 insulation as a DIY project, it can depend on your comfort level with home improvement tasks. For those with basic skills, the installation process can be straightforward and rewarding. However, if you’re unsure about proper techniques, potential safety hazards, or if your attic access is challenging, hiring a professional ensures that the insulation is installed correctly and efficiently, maximizing performance.

How does the thickness of R-38 insulation affect its performance?

The thickness of R-38 insulation contributes significantly to its thermal resistance, or R-value, which is a measure of its effectiveness in resisting heat flow. A thicker batt provides greater insulation performance, making it ideal for extreme climates. The increased thickness also helps in soundproofing, creating a quieter home environment. Therefore, selecting R-38 means opting for superior performance, especially in areas that require optimal temperature control, such as attics.

How to Shop Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Online From Ubuy?

It’s easy to shop Knauf R-38 Unfaced 15 by 48 Fiberglass Batt online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Available to Shop Online in Bangladesh?

Yes, at Ubuy Bangladesh this product is available for you to shop at a reasonable price. The Knauf R-38 Unfaced 15 by 48 Fiberglass Batt is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Knauf

With a R-Value of R-38, this high-density insulation is perfect for your cathedral ceilings and attic cavities.

Knauf

Item #: 143207278

Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Insulation Fits 2x10 Attic High Density (Cathedral) a Total of 8 Bags and Square Footage of 320 SQFT

Q: Where can I buy R-38 Unfaced 15 by 48 Fiberglass Batt Insulation in Bangladesh?

You can purchase R-38 Unfaced 15 by 48 Fiberglass Batt Insulation from Ubuy in Bangladesh. Ubuy offers a wide range of high-quality insulation products, including this specific type, ensuring you can find the materials necessary for your insulation projects. Shopping online through Ubuy provides added convenience, allowing you to choose the right quantity and have it delivered directly, streamlining the process of outfitting your attic with effective insulation.

Item #: 143207278

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With a R-Value of R-38, this high-density insulation is perfect for your cathedral ceilings and attic cavities.

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What Stands Out

High Density

The Knauf R-38's high-density fiberglass provides superior insulation, enhancing energy efficiency and comfort in cathedral ceilings by effectively reducing heat loss and maintaining temperature stability.

Generous Coverage

With a total square footage of 320 SQFT, this insulation offers ample coverage, making it ideal for larger attic spaces while simplifying the installation process and ensuring consistent thermal performance.

Unfaced Design

The unfaced design of the Knauf R-38 allows for versatile installation options, easily integrating with various vapor barriers and building materials, ensuring moisture control and enhanced durability in various climates.

Product Details

Brand Name	Knauf
Manufacturer	Knauf
Number of Items	48
UPC	746175889315
Manufacturer Part Number	KNR38X15HDX48UF8Temp
Item Dimensions L x W	48"L x 15"W (121.9 cm)
Material Type	Fiberglass
Material	Fiberglass
Brand	Knauf
Product Dimensions (L x W x H)	48"L x 15"W (121.9 cm)

Who Should Buy?

Home Renovators
Ideal for homeowners updating insulation in attics, improving energy efficiency and comfort in residential spaces.
Contractors and Builders
Construction professionals looking for effective insulation solutions for cathedral ceilings and high-density areas will benefit significantly.
Energy-Conscious Families
Families wanting to reduce energy bills can easily install this insulation for better heat retention during seasons.

DIY Beginners
Inexperienced users may struggle with installation, potentially leading to improper fitting and reduced insulation effectiveness.

Product Description

Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Insulation Fits 2x10 Attic High Density (Cathedral) a Total of 8 Bags and Square Footage of 320 SQFT

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Customer Questions & Answers

Question: How to Shop Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Online From Ubuy?

Answer: It’s easy to shop Knauf R-38 Unfaced 15 by 48 Fiberglass Batt online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Available to Shop Online in Bangladesh?

Answer: Yes, at Ubuy Bangladesh this product is available for you to shop at a reasonable price. The Knauf R-38 Unfaced 15 by 48 Fiberglass Batt is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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BDT 134626

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Features & Benefits

High R-Value of R-38 for superior insulation.
Fits perfectly into any 2x10 construction board.
Ideal for 4-foot attic cavities and cathedral ceilings.
Comes in two bundles of 4 for a total of 8 bags.
Covers an impressive 320 square feet.
Requires coordination on delivery with a phone number.

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Knauf R-38 Unfaced 15 by 48 Fiberglass Batt Insulation Fits 2x10 Attic High Density (Cathedral) a Total of 8 Bags and Square Footage of 320 SQFT

BDT 134626

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Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Knauf Fiberglass Editorial Review

Customer Reviews & Ratings

Review this product

Product Price History

Important information

BDT 134626

Features & Benefits

Ubuy Assurance

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