40 Percent Lighter
2 Times Stronger
Every Board is Unique

Key Features & Benefits

EASY TO MAINTAIN | Never sand, stain or strain again with this simple, sustainable solution

QUICK TO INSTALL | Lightweight, grooved boards and HULK hidden fasteners make installation easy.

ENGINEERED FOR SAFETY | Stay on sure footing thanks to premium slip and splinter resistance, plus improved heat dissipation.

DESIGNED FOR BEAUTY | Enjoy the look of natural hardwood and realistically varied wood grain.

Try our interactive
visualizer tool!

Explore Now

Download the
Sales Sheet

Check it Out

Download the
Product Guide

See It All


Actual product color may vary from the images shown due to differences in resolution and lighting.



Visit the Sales Sheet for more details. Plus check out our cladding products to learn how our boards can be used on a wall.

Grooved Infinity I-Series boards install with hidden clips beneath the deck surface. Square Infinity I-Series install with surface mounted color-match deck screws.

Grooved Profile

Grooved Board

Specs: 5.35" (136mm) x 1" (25mm) x 12'/16'/20' (366cm/488cm/610cm)

Grooved Board Profile

Starter Board Profile

Starter Board

Specs: 5.35" (136mm) x 1" (25mm) x 16' (488cm)

Starter Board Profile

Square Board Profile

Square Board

Specs: 5.5" (140mm) x 1" (25mm) x 20' (610cm)

Square Board Profile

Fascia Board Profile


Brushed surface fascia boards used for trim around decking and stair risers.

8" Fascia/Riser (203mm)

Specs: .65" (16mm) x 7.25" (184mm) x 12' (366cm)

12" Fascia (305mm)

Specs: .71" (18mm) x 12" (305mm) x 12' (366cm)

8" Fascia Board Profile

Infinity® I Series Case Studies

Quail Ridge

See how our Infinity® I Series Capped Bamboo-Plastic Composite Decking is lowering maintenance and making a lasting impression for this multifamily project.

View the Case Study

Powder-Coated Materials

Explore more about how our Infinity® I Series Capped Bamboo-Plastic Composite Decking provides a solution that will stand the test of time for this apartment project.

View the Case Study

I-Series Installation Video

Play Video

Fortress Building Products Decking

Play Video

Get To Know Infinity I-Series

Play Video

Resources & Downloads

About California Proposition 65
  • Warranty
  • Literature
  • CEU Training
  • Coordinating End Paint

You're Covered

Historically, fortresses were built to protect. The same is true of Fortress Building Products. You can expect coverage the second you decide to embark on your journey with us. We cover our products and the people who buy them. At Fortress, we don’t just stand behind our work ... we stand by your side.

Go To Warranty

Read All About It

Check out our beautiful, informative literature to learn all about our decking products. Be briefed by brochures, stirred by sales sheets, captivated by catalogs and motivated by other marketing elements.

Go To Sales Sheet

Best In Class

These brief courses are designed to help you learn about Fortress products, and gain the in-depth knowledge you need to confidently sell them. Register for an online training course or request a live in-person training.

Go To Courses

Get The Color

Looking to add the finishing touch to your decking project? Consider one of the matching Sherwin Williams paint colors. This will ensure end-cut color consistency for each Fortress board, no matter the shade you fall in love with. Download the spec sheet below.

Download Colors


Fortress Building Products uses cookies to improve your user experience. By using this site, you accept our use of cookies.