Flexscreen
DealFlexible window screens for home
FlexScreen uses a PVC-coated spring-steel frame that flexes into the window.
Order custom screens through the retailer linked from FlexScreen鈥檚 manufacturer site. Follow the window-measuring instructions; custom screen orders cannot be returned, edited or cancelled.
Updated October 6, 2026
From the show
The Shark Tank pitch
- $800K
- Asked for
- 6%
- Offered equity
- $13.3M
- Sought valuation
- $400,000
- On-air cash
- $400,000
- Credit line
- Reported terms below
- Equity / sales rights
The reported proposals cover different ownership and sales rights; a same-company valuation comparison is unconfirmed.
Joe Altieri presented Flexscreen in Season 11, Episode 10. The episode aired January 5, 2020.
The ask was $800,000 for 6% of the company, an implied valuation of $13.3M.
DWM's January 6, 2020 episode report describes an initial $400,000 cash plus $400,000 credit offer for 10% of the company, followed by an accepted matching proposal for 50% of online and in-store sales rights. FlexScreen's October 6, 2020 announcement confirms a finalized equity partnership with Lori Greiner and describes the cash and credit components, without publishing the final equity percentage or entity structure.
DWM, January 6, 2020 offer sequence 路 FlexScreen, October 6, 2020 company announcement
The index records 63 accepted on-air deals among 96 Season 11 pitches. Across 263 home & lifestyle pitches with known outcomes in the index, 68% are recorded as accepted deals.
The full story
Everything to know about Flexscreen
Joe Altieri developed FlexScreen after working in the window industry. The frame uses PVC-coated spring steel so it can flex into place; the company's history dates its first customer to October 2015.
DWM's January 2020 episode report describes Greiner's initial cash-and-credit offer for 10% of the company, followed by the accepted proposal involving 50% of online and in-store sales rights.
FlexScreen, founder history 路 DWM, January 6, 2020 episode report
Where Flexscreen is now
FlexScreen's October 6, 2020 company release announced a finalized equity partnership with Lori Greiner and described $400,000 in cash plus a $400,000 credit line. It did not publish the final equity percentage or entity structure. Later that month, the company announced a retail and online distribution agreement with Saint-Gobain ADFORS.
Dinsmore, FlexScreen's seller-side counsel, reported that RiteScreen's acquisition closed on February 13, 2025, with Altieri becoming Chief Innovation Officer. The current manufacturer website links to its custom-screen retail store.
FlexScreen, October 6, 2020 company announcement 路 FlexScreen, October 27, 2020 distribution agreement 路 Dinsmore, March 3, 2025 completed-sale report 路 FlexScreen, current manufacturer site
Where to buy Flexscreen
Order custom screens through the manufacturer-linked retail store. Choose mesh and quantity, pay, then enter window measurements through the emailed portal. Follow its window-measuring guide rather than measuring an old screen. The retailer says custom orders cannot be returned, edited or cancelled.
FlexScreen retail, custom screens 路 FlexScreen retail, how to measure 路 FlexScreen retail, refund policy
Is Flexscreen still in business?
Read our 2026 update on where the company is now.
Explore Flexscreen
Order custom screens through the retailer linked from FlexScreen鈥檚 manufacturer site. Follow the window-measuring instructions; custom screen orders cannot be returned, edited or cancelled.
Frequently asked questions
Where can I buy Flexscreen?
Order custom screens through the retailer linked from FlexScreen鈥檚 manufacturer site. Follow the window-measuring instructions; custom screen orders cannot be returned, edited or cancelled.
Did Flexscreen get a deal on Shark Tank?
DWM's January 6, 2020 episode report describes an initial $400,000 cash plus $400,000 credit offer for 10% of the company, followed by an accepted matching proposal for 50% of online and in-store sales rights. FlexScreen's October 6, 2020 announcement confirms a finalized equity partnership with Lori Greiner and describes the cash and credit components, without publishing the final equity percentage or entity structure.
Which shark made an on-air offer to Flexscreen?
Lori Greiner appears in the recorded on-air terms for Flexscreen. The deal answer above gives the recorded structure.
What season of Shark Tank was Flexscreen on?
Flexscreen appeared in Season 11, Episode 10, which aired January 5, 2020.
How much was Flexscreen asking for on Shark Tank?
The founders asked for $800,000 for 6% of the company, a $13.3M valuation.
Who invented FlexScreen?
Joe Altieri developed FlexScreen after working in the window industry.
Is FlexScreen still in business after Shark Tank?
Yes. Its current manufacturer site links to custom-screen ordering. Seller-side counsel reported the completed RiteScreen acquisition in February 2025.
Should I measure my old screen to order FlexScreen?
No. The retailer instructs buyers to measure the window using its guide. Measurements are entered after payment through an emailed portal.
Shark Tank Index may earn a commission on purchases made through links on this page. Deal figures reflect what aired; terms sometimes change after the show.
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