Customer & Sales Support. Company Directory Concast concrete handhole units are a great precast option when you need a small access box with no bottom. The exterior surfaces of TRUE are finished with gelcoat, which cures to a durable, smooth finish resistant to ultraviolet degradation and hydrolysis. Available in tier 15 or tier 22 traffic loading. Precast polymer concrete pull box PC1730BA12 Quazite Box 17 x 30 X 12 - ANSI Tier 5, PC1324BA12 Quazite Box 13 X 24 X 12 - ANSI Tier 5, PG1118BA Quazite Box 11 X 18 - ANSI Tier 22, PG1015BA12 Quazite Box 10 X 15 X 12 - ANSI Tier 22, PG3048BA Quazite Box 30 X 48 - ANSI Tier 22, PG1730BA Quazite Box 17 X 30 - ANSI Tier 22, PG3636BA36 Quazite Box 36 x 36 X 36 - ANSI Tier 22, PG1324BA Quazite Box 13 X 24 - ANSI Tier 22, PC1212BA12 Quazite Box 12 X 12 X 12 - ANSI Tier 15, PC1118BA Quazite Box 11 X 18 - ANSI Tier 8, PG4878BA Quazite Box 48 X 78 - ANSI Tier 22, PG4860BA48 - Quazite Box 48 X 60 X 48 - ANSI Tier 22, PG1120BA Quazite Box 11 X 20 - ANSI Tier 22, PG4848BA Quazite Box 48 X 48 - ANSI Tier 22, PG3672BA Quazite Box 36 X 72 - ANSI Tier 22, PG4872BA Quazite Box 48 X 72 - ANSI Tier 22, Installation Cost: lower because no special equipment is required, making it easier to handle, Cost: lower lifetime costs as polymer concrete materials have a longer service life, Strength: 3 5 times higher tensile & flexural strength, Weight: 1/10 to 1/3 lighter than traditional concrete, Weather Resistance: can withstand freezing and thawing, Corrosion Resistance: alkaline & deterioration resistant, Water Absorption: less than 1% per ASTM D-570, Non-conductive: boxes & covers do not require grounding, and is not flammable. Precast Polymer Concrete Pull Box Open Bottom Vault Armorock is the lowest cost, longest lasting, wastewater structure in the industry, offering an unprecedented 50-year corrosion warranty. QUAZITE boxes (handholes / vaults / enclosures) are known for their structural integrity and long installation PG1118BA Quazite Hand Hole 11 X 18 - ANSI Tier 22 1 Page 1 2 Page 2 3 Page 3 4 Page 4 5 Page 5 6 Page 6 7 Page 7 8 Page 8 9 Page 9 10 Page 10 11 Page 11 12 Page 12 13 Page 13 14 .