Calculus
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Calculus is a grey colour option from the Gradus Boulevard 1500 range with an LRV of 9.03.
Boulevard 1500 is a cost effective, secondary barrier needlepunch mat manufactured from 100% polypropylene yarn with a rubber backing.
Offering medium dirt and moisture removal, Boulevard 1500 has a ribbed design that is resistant to compression. It provides a superior alternative to coir matting in line with guidance in BS 8300-2:2018 and Approved Document M (ADM) of The Building Regulations 2010.
Boulevard 1500 is suitable for interior use in circulation areas, some entrances and access points. It can also be used in conjunction with Esplanade 1500 primary barrier matting to provide a cost effective, coordinated system at entrances and access points.
It is available in 2m sheet format for easy installation and is tested for colour fastness, flammability and static.
Boulevard 1500 has a 5 year warranty (subject to terms and conditions).
