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CERAMAR is a flexible foam expansion joint filler composed of a unique synthetic foam of isomeric polymers in a very small, closed-cell structure. Gray in color, CERAMAR is a lightweight, flexible, highly resilient material offering recovery qualities of over 99%. The compact, closed-cell structure will absorb almost no water.
CERAMAR flexible foam expansion joint filler provides an excellent joint filler and back-up material for use in either horizontal or vertical applications where expansion and contraction movements must be accommodated. CERAMAR is compatible with all currently popular cold-applied sealants, caulks, and hot-pour joint sealing compounds. It is lightweight and easy to cut or form in the field without waste.
CERAMAR compresses easily for use with shrinkage-compensating concrete and it may be used to relieve stress and pressure in concrete pavements.
May help contribute to LEED credits:
Furnished in standard sheets 48″ (1.22m) wide, 10′ (3.05m) long. Also available in precut widths of 2″ to 46″ (50.8mm to 1.17m)
|Compression, 50%||13 psi (9 g/mm²) 89.6 kPa|
|Extrusion||0.1 inch (2.5mm)|
|Water absorption, volume %||0.246|
|*Test Method – ASTM D 545 (1/2″ (12.7mm) thick test specimen)|
All technical data is typical information, but may vary due to test methods, conditions and operators.
| Shipping Wt.|
|1/4″ (6.4mm)||3.13 lbs.||15.29 kg||100||160 lbs. (72.58 kg)|
|3/8″ (9.5mm)||4.70 lbs.||22.93 kg||100||240 lbs. (108.86 kg)|
|1/2″ (12.7mm)||6.25 lbs.||30.52 kg||75||250 lbs. (113.40 kg)|
|3/4″ (19.1mm)||9.40 lbs.||45.90 kg||50||240 lbs. (108.86 kg)|
|1″ (25.4mm)||12.50 lbs.||61.03 kg||40||260 lbs. (117.94 kg)|
For horizontal applications, position CERAMAR against the forms, at interrupting columns and objects or adjacent to abutting structures, before placing the concrete. Vertical applications may call for CERAMAR to be placed between panels, panel-to-column joints, or in block wall joints prior to sealing. CERAMAR may be used with all hot- and cold-applied sealants.
Due to its light weight, CERAMAR will float and must be held in place by compression or with a sealant.
Health and Safety
Refer to Material Safety Data (MSDS) for complete health and safety information.
This material last updated August 2009.