Skip to content
We Help Homeowners Make A Neighbor Jealous With ✓ FREE Shipping ✓ Lowest Prices ✓ Exceptional Reviews
We Help Homeowners Make A Neighbor Jealous With ✓ FREE Shipping ✓ Lowest Prices ✓ Exceptional Reviews
Expert Support

Call (725)-239-9966 for special pricing.

2,000+ Happy Customers & Jealous Neighbors
500+ 5 Star Reviews
Free Shipping

On Orders Over $200!

Duramax Flat Or Gable Roof 3 Feet Extension Kit - ADD ON ONLY

by Duramax
SKU 34832
Sale Sale
Original price $1,899.00
Original price $1,899.00 - Original price $1,899.00
Original price $1,899.00
Current price $1,499.00
$1,499.00 - $1,499.00
Current price $1,499.00
Benefits
Best For
Bonuses
  • Elevate Your Backyard with top of the line all weather durability.
  • Indulge In All That Extra Space that isn't filled with all the gardening tools.
  • Make Your Neighbors Jealous that you take your family gathering space extremely seriously.
  • Space-Expanders: Ideal for contractors/warehouses who need temporary offices or extra space.
  • Team Gatherings/Contractors: Designed for quick and easy assembly, you can have much needed extra space within 18 hours.

  • Risk-Free Purchase: 30 Day No Hassle Returns
  • American Quality: Proudly designed and assembled in the USA. Long Warranty.
  • No Sales Tax (ex NV)
  • Free Ebook & Gallon Box Options
Model: Flat Roof Building
Safe and Secure Checkout Badge
Why Buy From Us?

Fast Response & Service Times & FREE Shipping: You will always reach a real person.

Real, Friendly, Expert Staff Trusted By Thousands of Home Owners and Contractors!

Price Match Guarantee Ensures You'll Receive The Best Deal Online Even After Your Purchase.

Authorized Retailer For All Brands: Only new warrantied equipment for peace of mind.

Shipping & Handling For Duramax

Handling Time: Product ships in 4 to 6 Business Days.

Shipping Time: Please allow 2-7 Business Days for Delivery. All deliveries include liftgate to your curbside.

Our goal is to get your order to you as quickly as possible. This item ships to all States of the contiguous U.S.A (lower 48). Please note that all shipments over 100lbs go by LTL freight. For more information check out our Shipping Policy.

Cancellation/Return Policy For Duramax

Return Policy: Duramax accepts returns of new product within 30 days of customer receiving the product.

Fees: Customer pays 15% Restocking Fee and Return Shipping Costs.

If you receive damaged parts or are missing parts, please email us at support@uspolymersinc.com and support@backyardoas.com within 5 days or the customer will be responsible for the cost of the replacement parts.

Any order can be canceled within 24 hours of payment.

After 24 hours, most orders will be packed and placed for pickup by the shipping carriers. Once picked up, the item will be considered shipped.

Custom, Built-To-Order, on demand products cannot be canceled or refunded after 24 hours, as these products are put into production specifically for your order. 

Damaged Items:

All orders are protected by the manufacturer's warranty. We will repair, or replace any item damaged during shipment or faulty upon arrival as long as the documentation is provided.

Support Agent

Questions? We Are Here To Help!


Call Us Now:  725-239-9966
Instant Live Chat:  Click to Chat
Mon-Fri: 8am-7pm PST

Need to expand your Duramax Insulated Building?

This kit is strictly and ADD - ON Kit to extend the length of the kit from its previous sizes. 

The kit is compatible with all insulated buildings: 30832, 30852, 30862, 30872, 30932, 30952, 30962, 30972.

ITEM CAN NOT BE PURCHASED SEPARATELY BY ITSELF.

Dimensions

  • Exterior Dimensions: 39 ½" wide x 126 ⁵⁄₈" Deep x 92" Height
  • Interior Dimensions: 39 ½" Wide x118 ¼" Deep x 81.75" Height
  • Warranty: 7-year warranty

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare

Need to expand your Duramax Insulated Building?

This kit is strictly and ADD - ON Kit to extend the length of the kit from its previous sizes. 

The kit is compatible with all insulated buildings: 30832, 30852, 30862, 30872, 30932, 30952, 30962, 30972.

ITEM CAN NOT BE PURCHASED SEPARATELY BY ITSELF.

Dimensions

  • Exterior Dimensions: 39 ½" wide x 126 ⁵⁄₈" Deep x 92" Height
  • Interior Dimensions: 39 ½" Wide x118 ¼" Deep x 81.75" Height
  • Warranty: 7-year warranty