'Tarmac's Hi-Flow Commercial is a free flowing, self-smoothing, protein free commercial underlayment which is obtained by mixing water with a carefully selected pre-blended formulation of high quality raw materials.
When laid at thicknesses from 3mm to 20mm Hi-Flow Commercial is suitable for use in commercial buildings where the need is for a smooth surface which can readily receive overlayment materials. '
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Tarmac is consulted before specifying.
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| Drying time (?) | 240 minutes | 28.57% |
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| Compressive Strength at 28 days (?) | 25 N/mm2 | |
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| Typical Building Sector (?) | Commercial | |
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| Shelf Life (?) | 6 Months | 13.64% |
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| Uniclass (?) | Pr_35_31_06 Bedding and underlay compounds | |