Apex Ultrex Fiberglass Siding from Marvin for your New York Connecticut Home
APEX Sidinginnovative fiberglass
building products
Formally called Tecton


Trim | Door Frame | Siding | Why APEX? | Green Technology


APEX Fiberglass siding is a durable, hassle-free alternative to fiber cement, vinyl siding, aluminum siding and steel.

Fiberglass Siding video as featured on TLC's Designing Spaces

APEX Ultrex Fiberglass siding from Marvin is an innovative and ultra-durable alternative to fiber cement, vinyl, aluminum and steel.  Fiberglass siding gives your home the look of freshly painted wood without the hassle of scraping and painting; fiberglass siding is virtually maintenance free.

Our design features a Water Management System that reduces mold and mildew problem by allowing water and air to circulate in a plane behind the siding.

Add value to your home with the clean, bold look of fiberglass siding.

Produced in continuous lengths, fiberglass siding features clean, crisp lines with seams that butt tightly together instead of overlapping. 

Our joints create smooth lines for great curb appeal that sets your homes apart and our patented Durion® finish provides a variety of bold color options and exceptional weatherability.

APEX Products offer a a variety of colors for structural fiberglass siding, in 4" and 7" reveals with both a smooth finish and the best woodgrain appearance available. 

The system includes inside and outside corners, starter strips, finish trim and window trim to complete the exterior of the home.

Fiberglass siding is perfect for any climate.

Fiberglass siding from Marvin can be applied any time of the year without worry of buckles or splitting, even in the most dramatic temperature changes.  It is resistant to oxidation, rust and the corrosive effects of harsh costal environments making it the optimal choice for homes in any climate.

Fiberglass Siding Colors

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