Moulded EPS pipe insulation for HVAC and process pipework.
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Technopol Pipe Lagging is a made-to-order moulded EPS pipe insulation supplied as pre-cut split half-shells that lock over the pipe, cut to the client's bore, wall thickness and length, and supplied bare (without cover or vapour barrier).
| Property | Value | Standard |
|---|---|---|
| Material / core | Expanded polystyrene (EPS), the standard coreA StoneWool core is also made, in factory pipe sections - see the StoneWool rows below | — |
| Form / build-up | Pre-cut moulded split sections (2- or 3-piece half-shells) that lock over the pipesupplied bare, without cover or vapour barrier; cut to client's bore / wall / length | — |
| EPS density grades offered | Standard Grade/16DV, 20DV, 24DV, 32DV (nominal 16–32) kg/m³ | — |
| Pipe nominal-bore range | 15NB–650NB (plus 290ID) NB | — |
| Insulation wall thickness | Made to order. Any insulation wall thickness within the manufacturing envelope - state the bore and the wall you need. mm | — |
| Standard supply length | 1220 (1.22 m); shorter 610–1220 mm sections invoiced at 1220 mm price mm | — |
| StoneWool bore range | 1/4" (13 mm) to 14"(356 mm), 16 standard bore sizes. Density, wall thickness and diameter are custom made to order | — |
| StoneWool insulation-wall thickness | Made to order. Any insulation wall thickness within the manufacturing envelope - state the bore and the wall you need. mm | — |
| StoneWool density | 90–100 kg/m³ | — |
| StoneWool thermal conductivity (lambda) by mean temperature | 0.044 at 50 C, 0.049 at 100 C, 0.059 at 150 C, 0.068 at 250 C, 0.110 at 300 C, 0.115 at 350 C W/m·K | — |
| StoneWool reaction to fire | A1 (non-combustible) | EN 13501-1 / TS EN 13162 |
EPS density grades are grade-dependent (expressed as DV = density value); the price list prices nominal densities 16, 24 and 32 kg/m³ with 20DV taken as the average of 16DV and 24DV. No thermal conductivity (λ), R/U-value, compressive strength, reaction-to-fire class, fire-resistance rating (REI) or SANS/Agrément reference is published by Technopol for the EPS core; it is a standard, non-proprietary industry item and none of these were found in any primary source. Product is supplied bare — the +140 °C service limit and any fire figures in the general brochure belong to the separate PIR32/PIC32 rigid-shell line, not to EPS pipe lagging. StoneWool reaction-to-fire (A1) is a material classification of ignitability, flame spread and smoke - not a fire-resistance (minutes) rating of a tested assembly.
Values from Technopol technical documentation. Confirm the exact figures for your specification with Technopol.
Technopol also supplies StoneWool (mineral-wool) pipe sections, factory-made in the same wrap-and-close half-shell form as the EPS shells, for duty the EPS shell cannot cover: sustained pipe-surface temperatures above about 70-80 C, and any specification that requires a reaction-to-fire class from the insulation itself.
Bore range 1/4" (13 mm) to 14" (356 mm) across 16 standard sizes; insulation-wall thickness 25, 30, 40, 50, 60, 80 or 100 mm. Every bore/wall combination is available, and density, wall thickness and diameter beyond the standard range are custom made to order. Nominal density is 90-100 kg/m3.
StoneWool is classified A1 (non-combustible) to EN 13501-1 / TS EN 13162 under its manufacturer's CE Declaration of Performance. That is a reaction-to-fire classification of the material - ignitability, flame spread and smoke - and it is not, on its own, a fire-resistance rating in minutes. Where the works specify a fire division (an E/I/R rating), confirm the tested rating of the complete assembly with the works' fire engineer.
Thermal conductivity rises with mean temperature, so read the design lambda at the pipe's actual operating temperature rather than at a single reference point the way the EPS grades are quoted.
Specify a StoneWool section the same way as EPS: bore (or measured outside diameter), wall thickness, length and piece count. Confirm the price and lead time on the quotation - StoneWool pipe sections are made to order.
| Mean temperature (C) | Thermal conductivity, lambda (W/m.K) |
|---|---|
| 50 | 0.044 |
| 100 | 0.049 |
| 150 | 0.059 |
| 250 | 0.068 |
| 300 | 0.110 |
| 350 | 0.115 |
StoneWool pipe-section thermal conductivity by mean temperature. Source: Ravatherm Stonewool catalogue, pipe-section range.
| Property | Value | Standard |
|---|---|---|
| EPS density grades offered | 16–32 kg/m³ | |
| Pipe nominal-bore range | 15NB–650NB NB | |
| Insulation wall thickness | 20–150 mm |
Every test report and certificate behind these figures is on the test-report register.
The same product does a different job in each of these assemblies - each page states the target, the clause and the limits.
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