R-Max
RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
SKU:776473-6P
Est Delivery between 6th Feb and
12th Feb.
How much will I need?
How much will I need?
We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project
Couldn't load pickup availability
Product Information
| Thickness | Sq/Ft Per Pallet | Sheets Per Pallet | R Value |
|---|---|---|---|
| 0.75 In | 1920 | 60 | R5 |
| 1 In | 1536 | 48 | R6 |
| 1.5 In | 960 | 30 | R10 |
| 2 In | 767 | 24 | R13.1 |
| 2.3 In | 640 | 20 | R15.3 |
| 3 In | 512 | 16 | R20.3 |
The RMax Below Grade 4ft x 8ft Insulation Board is a cutting-edge solution designed for a variety of below-ground insulation needs. Crafted from high-quality polyisocyanurate (polyiso) foam, this insulation board measures 96 inches in length and 48 inches in width, providing an ample coverage area of 32 square feet. The polyiso material is renowned for its exceptional thermal insulation properties, making this board an ideal choice for enhancing energy efficiency in below-grade exterior walls, blind side walls, under slab, and slab on grade applications. Its size and coverage capabilities ensure that large areas can be insulated efficiently, reducing the need for multiple pieces and seams that could compromise the insulation layer.
Pros & Cons
Pros
- Exceptional thermal insulation efficiency due to polyiso foam core, enhancing energy savings and interior comfort.
- Superior moisture resistance and durability, with a closed-cell foam core and reinforced facers that protect against water absorption and physical damage.
- Large coverage area with dimensions of 4ft x 8ft, allowing for fewer seams and a more continuous insulation layer, thus improving overall thermal performance.
- Potential higher upfront cost compared to traditional insulation materials, which might affect budget considerations for some projects.
- Requires careful installation to maximize moisture resistance and thermal efficiency, possibly necessitating professional installation for optimal performance.
- Limited flexibility in terms of cutting and fitting around irregular shapes, which may complicate installation in non-standard spaces.
Frequently Asked Questions
Polyiso (polyisocyanurate) insulation is a type of foam board insulation that offers high thermal resistance, making it ideal for saving energy and reducing heating and cooling costs. Its closed-cell and closed matrix structure provides excellent moisture resistance, making it suitable for below-grade applications where water exposure is a concern.
Yes, the RMax Below Grade Insulation Board is designed to perform effectively in a wide range of climates. Its high thermal resistance and moisture protection make it a versatile choice for both cold and warm climates, enhancing the energy efficiency of buildings in any location.
By providing high thermal resistance, the RMax Below Grade Insulation Board reduces the amount of heat loss or gain through the building's foundation and walls. This leads to a more stable interior temperature, less energy consumption for heating and cooling, and consequently, lower energy bills.
While professional installation is recommended to ensure the highest level of performance and moisture resistance, experienced DIYers can also install the RMax Below Grade Insulation Board by following proper installation guidelines. However, for complex projects or those requiring specific building codes compliance, professional installation is advised.
The board's polyiso foam core is designed to resist water absorption, and its reinforced facers add an extra layer of moisture protection. This makes it highly effective at preventing water damage and maintaining its insulating properties in environments exposed to moisture.
Technical Specifications
| Brand | Rmax |
| Coverage | 32 sq ft |
| Length | 96 In |
| Material | Polyiso |
| Width | 48 In |
Datasheets
Delivery Information
Est Delivery between 6th Feb and
12th Feb.
Delivery will always take place on a weekday (Mon - Fri excl. public holidays).
An exact shipping charge will be calculated at checkout based on your order and location.
For more information on shipping view our delivery info page.
Frequently asked questions
Can you help me pick the right materials for my project?
Yes, of course!
Our team is ready to assist you with any questions and queries you may have.
Just reach out to us via any of the following methods:
Call us: 281-657-1443
Email us: sales@4us-group.com
or click the Livechat tab at the bottom of your screen.
How do I track my order?
As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.
If you require an update on your order, you can email deliveries@4us-group.com with your order number for assistance.
Can I order now and pay later?
Yes, we offer a variety of flexible payment options to all our customers.
When checking out online, you'll be able to avail of multiple buy now, pay later options with ShopPay, Klarna or PayPal.
The flexible payment options available to you at checkout will be based on the total value of your order.
For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:
- Dedicated trade pricing
- Loyalty points and rewards
- A dedicated account manager
I have a large-scale project, can I get a quote?
Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@4us-group.com with the following information and we will get back to you with your very own bespoke price quote:
- Delivery postcode and address
- Mobile number
- Company name
- A list of required materials and their quantities
Can I open a pro contractor account?
Yes! Pro contractors can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.
You can learn more here: Open a pro contractor account
Can I cancel or amend my order after placing it?
Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.
Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.
Contact us immediately via sales@4us-group.com or call 281-657-1443 during opening hours.
If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.
Read more: Returns