4000 Reinforced Vinyl Siding

Superior panel design, incredible curb appeal and a wide choice of attractive color selections.

4000 Reinforced Vinyl SidingFeatures:

  • Superior Advanced Locking System Panel Design
  • Rolled-Over Nail Hem
  • Uniquely Designed Locking System
  • Superior Rigidity
  • Straight Course Lines & Walls
  • Lifetime Transferable Warranty

Quality You Can Count On.

Like many things you purchase, there are many types of vinyl siding. So when comparing brands, it’s important to examine attributes such as thickness, warranty, and perhaps most importantly, panel design. Keep in mind, most siding looks good when first installed, but it’s the long-term appearance that’s important.

Designed for Performance.

4000 Reinforced Vinyl SidingWindow World 4000 Reinforced Vinyl Siding is engineered and manufactured to provide not just beauty, but performance. A combination of a rolled-over nail hem and specially designed locking system provide superior wall attachment strength. In fact, in independent tests Window World 4000 Reinforced Vinyl Siding withstood category 5 hurricane-force winds. This design also provides another, perhaps more important attribute, superior rigidity, helping to ensure straight course lines and even walls—on both new and existing homes.

Beautiful Choices.

Perhaps what homeowners like most is the vast array of design options. Choose from traditional 4-1/2″ clapboard or elegant 4-1/2″ dutch lap profiles, two finishes, and a wide array of architecturally-pleasing colors. Beautiful options that allow you to create a look that’s truly personal.

Peace of Mind.

Window World 4000 Reinforced Vinyl Siding is backed by a lifetime, limited transferable warranty — including fade and hail protection. Protecting not only you, but the next owner of your home as well.


Think 4000 Reinforced Vinyl Siding could be right for your Pittsburgh home? Contact us today for your free home estimate!

4000 Reinforced Siding | Vinyl Siding Replacement Pennsylvania

Customer Reviews

  • "I hired Window World for an install of three extremely large slider windows. These are windows other companies said could not be done. The windows were installed over the course of a day and a half, and the installers exceeded my expectations in every way, as did the quality of the windows! I highly recommend them to anyone!"
    - Anne F.
  • "I had two windows that I haven't used for over 30 years. One of the window panes actually blew out during a wind storm. I called Window World and Wayne was great! They were very professional, friendly, cleaned up all the mess and did a GREAT job! Thank you Window World, we will definitely go back to you when we need new replacements!"
    - Pattie D.
  • "Fantastic results, the life time warranty is what sent Window World to the top in our home. The seller explained every detail of measuring to installation to clean up. The install crew we polite and showed every step of the install. Would highly recommend to all. And the PRICE can't be beat. Thank you Window World."
    - Jeff H.