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Entrance Doors
AccuGrain™
Technology
The
Beauty of Wood in Fiberglass Innovation
Therma-Tru’s proprietary
AccuGrain™ Technology has given our Classic-Craft®
line of entry doors the genuine, authentic look of
traditional wood doors.
What is AccuGrain
AccuGrain is a door casting process that uses
multiple dies to produce different graining types to
cast the appearance of real wood into our fiberglass
doors. At a high-level, the process starts with
building a wood door using select pieces of wood
that have the graining and wood characteristics we
want to reproduce. We then enhance the wood door
using proprietary technology to enhance the natural
graining depth on the wood before casting.
Then, with the graining technology, the final
product undergoes multiple casting. This process,
called random depth graining, combined with the
multiple dies to produce different graining types,
makes our fiberglass doors virtually
indistinguishable from real wood doors. This gives
you the beauty of a wood door with all the benefits
of our fiberglass doors — doors that won’t split,
crack or rot like real wood.
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