Supply and application of PU (polyurethane)Floor

Amount

MARKET RATE ITEMS

Supply and application of HACCP approved IGBC certified, hot water resistant of 60⁰C to 80⁰C, 4mm thick PU concrete flooring system like Duracrete MD of Dr.Cipy of Pidilite Industries Limited or equivalent, having Flexural strength: ≥ 13.6MPa as per ASTM D790, Tensile strength: ≥8.2MPa as per ASTM D638. The product must have Abrasion resistance: ≤ 43 as per CS17 wheel 1000 cycles when tested as per ASTM D4060. Hardness of the floor-Shore D> 80, as per ASTM D 2240 std; Skid value/PTV- 45-50 low risk of slip as per BS 8240. Duracrete MD or the approved equivalent products need to be executed by authorised applicator of the manufacturer and as per the approved method statement of the manufacturer.Concrete floor needs defects free having good compressive strength of M25 grade or more with a moisture barrier membrane under the RCC slab. All construction joints need to be cut within 48 hours of Concrete placements. All expansion joints need to seal with suitable material as recommended by manufacturer. This is polyurethane water base system, so there must be 1mm thick scratch coat under the topcoat. The scratch coat material is same of Duracrete MD. After 4-6 hours of curing interval, the Topcoat of Duracrete MD at 3mm thickness to be laid by notch trowel and spike roller in the suitable ambient temperature. Though the pot life of this specialised product is less, more attention should be given on its application. Surface preparation must be done by Floor grinder machine, scarifier and groove cutter machine. Only authorised trained applicator is recommended with expert supervision.

A N SRINIVAS (BID ID -801816)