High Density Polyurethane (HDU) is tough, weather resistant and lightweight (15lbs/ft2), Its closed cell structure makes it completely waterproof
HDU (High Density Urethane) Archives - Hudson Valley Signs
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HDU (High Density Urethane) Signs with or without Woodgrain! - Virtual Studios, Inc.
Get your $65 box of HDU carving blocks! - Custom Sculpture & Sign
LED Lighting Tri Hole Mount High Density Urethane HDU for MEL (Micro Effects Lights) and EEL (Enhanced Effects Lights)
THM-HDU, Tri Hole Mount High Density Urethane modeling board for prop scenery and display building with LED effects lights
HDU (High Density Urethane) Archives - Hudson Valley Signs
HDU Signs Archives - Custom Signs 3D
Precision Board Display Graphic Substrates from Regal Plastic since 1954 - Regal Plastic
Carved Signs Wood versus HDU Signs - Express Signs & Graphics
Special Effects LED Light mount
Large carved sign, sandblasted wood signs, large HDU signs
High Density Urethane Signs or HDU signs
High Density Urethane Foam Is An Excellent Material For Any Sign Type
High Density Urethane Signs - Made by Designs & Signs for you!
HDU Board Products for Signs and Tools - Polymershapes