What is Knauf R-38 Unfaced Fiberglass Batt Insulation used for?

Knauf R-38 Unfaced Fiberglass Batt Insulation is primarily designed for insulating attics and cathedral ceilings. This product provides excellent thermal resistance, helping to keep your home warm in winter and cool in summer. Its high-density formulation ensures effective heat retention and minimizes energy costs. It’s particularly ideal for 2x10 framed spaces, maximizing energy efficiency where insulation is crucial. Homeowners often use it during construction or renovation projects to enhance overall comfort.

How much area does one package of Knauf R-38 cover?

Each package of Knauf R-38 Unfaced Fiberglass Batt Insulation covers approximately 61.33 square feet. With 8 bags included, the total coverage becomes around 490.64 square feet, making it perfect for larger attic spaces. This concentrated setup allows you to effectively insulate a significant area, reducing the need for additional purchases. Homeowners or contractors will appreciate the efficiency of covering larger areas without interruption during installation.

Is Knauf R-38 insulation suited for humid climates?

Yes, Knauf R-38 insulation is suitable for humid climates. Its fiberglass composition inherently resists moisture, making it less prone to mold growth compared to other insulation materials. This characteristic is essential for maintaining air quality and preventing structural issues in high humidity areas. Consequently, homeowners in these climates benefit from using Knauf insulation in attics and ceilings, ensuring a comfortable living environment without compromising structural integrity.

How do you install Knauf R-38 insulation?

Installing Knauf R-38 insulation involves cutting the batts to fit snugly between the rafters or joists of your attic. Ensure proper safety gear is worn, including masks and gloves, due to the fine fiberglass particles. Lay the batts, unfaced side down, to allow for optimal airflow. This type of insulation works best in an unvented attic system, enhancing energy efficiency. DIY enthusiasts and contractors often use this insulation type for straightforward, effective thermal resistance.

Can Knauf R-38 be used in walls?

Knauf R-38 insulation is specifically designed for attic and cathedral ceiling applications and is not recommended for use in walls. The R-value is optimized for horizontal applications where insulation performance needs to be maximized. For wall installations, consider using a product with a different R-value tailored to that setting for best results. It is important for contractors and builders to choose the correct type of insulation based on location to ensure effective energy efficiency.

What are the benefits of unfaced insulation like Knauf R-38?

Unfaced insulation like Knauf R-38 offers several benefits, including versatility and ease of installation. Since it lacks a vapor barrier, it's ideal for regions where moisture control is managed through other means, like air sealing. This reduces potential issues with trapped moisture and provides flexibility in installation between various surfaces. Homeowners often prefer unfaced insulation when they have existing vapor barriers or are adding additional insulation to improve their home’s efficiency.

Is Knauf R-38 insulation eco-friendly?

Knauf R-38 insulation is considered eco-friendly as it is made from at least 30% recycled glass. This commitment to sustainability is reflected in the manufacturing process, which aims to reduce environmental impact. Additionally, using this insulation contributes to energy savings, further promoting eco-conscious living by lowering energy usage in homes. Many environmentally-conscious consumers opt for Knauf products to meet their insulation needs while supporting sustainable practices.

How does R-value affect insulation performance?

R-value measures insulation's thermal resistance; the higher the R-value, the better the insulation’s performance. Knauf R-38 insulation has a high R-value, which means it provides superior resistance to heat flow. This makes it particularly beneficial for cold climates or homes needing extensive energy efficiency. Homeowners can expect reduced heating and cooling costs when using high R-value products in their attics, leading to enhanced comfort and savings over time.

What is the best use case for Knauf R-38 insulation?

The best use case for Knauf R-38 insulation is in unvented attics or cathedral ceilings where a high level of thermal performance is essential. Its design allows for seamless installation in 2x10 framed spaces while effectively managing temperature fluctuations. Homeowners renovating or building with energy efficiency in mind choose this insulation to ensure their spaces remain comfortable year-round while minimizing energy bills.

Where can I buy Knauf R-38 Unfaced Fiberglass Batt Insulation?

You can buy Knauf R-38 Unfaced Fiberglass Batt Insulation at Ubuy in Ireland. Ubuy offers a convenient platform for purchasing insulation products, ensuring you find the right amount and specifications for your needs. By shopping at Ubuy, you can explore a range of home improvement products along with insulation solutions, providing a streamlined shopping experience for your insulation projects.

How to Shop Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Online From Ubuy?

It’s easy to shop Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High 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 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Available to Shop Online in Ireland?

Yes, at Ubuy Ireland this product is available for you to shop at a reasonable price. The Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High 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

EcoBatt insulation provides excellent acoustical properties and will reduce sound transmission when properly installed.

Knauf

Item #: 28800255

Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Density Fiberglass Specialty Fits 2X10 Floor-Ceiling, attic

96% of respondents would recommend this to a friend

Item #: 28800255

€ 1385

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Tuesday, October 13

Secured transaction

Our Top Logistics Partners

EcoBatt insulation provides excellent acoustical properties and will reduce sound transmission when properly installed.

U-Care Warranty:

None

Select a Plan

Buy Now Pay Later

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Density Insulation

This fiberglass insulation offers superior thermal performance, ensuring your space remains energy efficient and comfortable throughout the year by effectively minimizing heat transfer.

Specialty Fit

Designed to fit 2x10 floor-ceiling and attic spaces, this insulation provides a tailored solution that maximizes coverage while minimizing installation time and complexity.

Cost-Effective Solution

With 8 bags covering 491 SQFT, this product presents a budget-friendly option for homeowners looking to improve energy efficiency without compromising on quality.

Product Details

Brand Name	Knauf
Manufacturer	Knauf
Number of Items	48
UPC	746175895439
Manufacturer Part Number	KNR38X23HDX48UF8Temp
Material Type	Fiberglass
Material	Fiberglass
Brand	Knauf
Item Weight	28 lbs (12.7 kg)

Who Should Buy?

Homeowners
Ideal for homeowners looking to improve energy efficiency in attic and ceiling spaces, reducing heating and cooling costs.
DIY Enthusiasts
Great for DIY projects where insulation is needed, offering easy handling and installation for personal projects.
Renovators
Perfect for those renovating older homes, providing a modern insulation solution to improve comfort and reduce noise.

Professionals
Not the best choice for contractors needing large quantities; bulk options can be more cost-effective for extensive projects.

Product Description

Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Density Fiberglass Specialty Fits 2X10 Floor-Ceiling, attic

Have any Query? Chat with us

Customer Questions & Answers

Question: How to Shop Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Online From Ubuy?

Answer: It’s easy to shop Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High 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 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Available to Shop Online in Ireland?

Answer: Yes, at Ubuy Ireland this product is available for you to shop at a reasonable price. The Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High 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.

Knauf Fiberglass Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0

1 customers ratings

5 Star

100%
4 Star

0%
3 Star

0%
2 Star

0%
1 Star

0%

Review this product

Share your thoughts with other customers

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

€ 1385

Order now and get it around Tuesday, October 13

QTY:

Secured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners

Fastest cross-border delivery

Features & Benefits

Cost-effective thermal and acoustical insulation for energy-efficient construction.
Suitable for new and retrofit applications in residential and commercial settings.
High Density batts available for optimal thermal performance in limited spaces.
EcoBatt insulation improves sound transmission ratings significantly.
Certified for environmental sustainability and formaldehyde-free.
Pickup offers a $20 discount across 150 warehouses in the US.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Knauf 491 SQFT 8 Bags of R 38 Unfaced 24 by 48 High Density Fiberglass Specialty Fits 2X10 Floor-Ceiling, attic

€ 1385

Buy Now Pay Later

Fast Shipping

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

€ 1385

Features & Benefits

Ubuy Assurance

Fast
Shipping

Free
Return^*