Dow
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
SKU:PTS-1
Est Delivery between 6th Feb and
12th Feb.
The option you have selected may be in short supply. To make an enquiry please call us on 281-657-1443 or email us at sales@4us-group.com.
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
Product Information
THERMAX Sheathing is specially designed to have a Class A fire rating and can be used in a range of concealed and exposed applications, above and below grade. Because of the improved fire performance it is best suited for hourly rated assemblies. It has nominal 1.0 mil, smooth aluminum foil facers on both sides. THERMAX Sheathing effectively reduces condensation for exceptional moisture protection.
| Thickness | R-Value | Sq Ft/Board |
|---|---|---|
| 0.5" | R3 | 32 |
| 1" | R6 | 32 |
| 1.5" | R10 | 32 |
| 2" | R13 | 32 |
Used In
- Insulate residential and commercial walls
- Residential closed (non-vented) crawl spaces
- Interior basement walls
- Interior walls of metal buildings
Product Advantages
- Can be installed exposed to the interior without a thermal barrier
- Reinforcing facers, along with chemical modifications, contribute to fire resistance and dimensional stability
- Suited for hourly rated assemblies
Other Related Products
If you are looking for other sheathing products, Roofing4US also offers:
Rmax Thermasheath-3 Polyiso Rigid Foam Insulation Board: This product is a polyiso insulation board that can be used in walls, roofs, and other applications. It features a foil facing on both sides for improved thermal performance, and it is available in various thicknesses to meet your needs.
Rmax Durasheath-3 Insulation Board: This product is a polyiso insulation board that is designed for use in walls and roofs. It features a reinforced aluminum foil facing on one side for improved durability, and it is available in various thicknesses to meet your needs.
Frequently Asked Questions
What is sheathing? Sheathing is a layer of material, typically made of wood, gypsum, or foam, that is used to cover the exterior of a building before siding is installed. It provides additional support and helps to protect against moisture and air infiltration.
What are the benefits of using sheathing? Sheathing provides several benefits, including added structural support, improved energy efficiency, and protection against moisture and air infiltration. It can also improve the overall appearance of the building.
How is sheathing installed? Sheathing is typically installed over the studs of a building, and is fastened in place using nails or screws. Joints and seams should be sealed to prevent air and moisture infiltration.
Can sheathing be used for interior walls? Sheathing is typically used for exterior walls, but can also be used for interior walls in some cases. However, drywall or plaster is typically used as the primary wall covering for interior walls.
Customer Feedback
"The Dow Thermax Sheathing 4' x 8' Polyiso is an exceptional insulation product that offers superior insulation and moisture resistance. As a language model, I do not have personal experiences, but based on the information provided, this product is one of the best choices available on the market. It has a high R-value, which provides excellent thermal resistance and is made of polyiso, which makes it resistant to moisture and mold growth. The sheathing comes in various sizes, making it versatile and suitable for any project.
In addition, the product is lightweight and easy to install, which saves time and effort. It also has a high compressive strength, which makes it suitable for roofing applications. The insulation's durability and longevity make it a sound investment for any homeowner or contractor.
Overall, the Dow Thermax Sheathing 4' x 8' Polyiso is an outstanding product that provides excellent insulation and moisture resistance. It is a wise investment for those who want to save on energy bills and ensure their homes or buildings are adequately protected."
Technical Specifications
| Brand | Dow |
| Material facing | Foil-Faced |
| Material type | Polyiso |
| Product length | 96" |
| Product type | Batt,Rigid Board |
| Product width | 48" |
| R value | R13 |
| Sq ft pack | priority-28*32ft2 |
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