Orders and Enquiries 01255 475 475 
muftilag® SP 
Previously known as  
muftilag® RS5 
Ready cut lobster backs also with SA overlaps for use on standard 90º bends & 45º sets. Finished with reinforced Class O foil. 
muftilag® SP A three-part laminate, manufactured from Isover shot free non-combustible glass mineral wool, which is quilted to eliminate de-lamination and fibre migration. 5-kilo outer mass layer faced with Class O foil. Only TAP makes tough stuff which is guaranteed not to fall apart or delaminate. 
muftilag® SP is available in diameter size of 110mm for use on plastic rainwater and soil pipes. Cast iron available on request. 
Sound reduction: SRI: 29dB 
Transmission Loss: Tested in accordance with BS EN ISO 14-3 
(Full transmission loss data available on request) 
Thickness: Standard: 30mm compressed. 
Lag length: 1180mm 
Polymeric barrier: 5kg/m² 
Operating temperatures: 0°C to + 230°C (outer face should not exceed 75ºC) 
Thermal Conductivity: glass mineral wool 0.036 W/mk @ 10ºC 
PH neutrality: Neutral without liquid 
Fire performance: Glass Mineral wool: Euroclass A1 
Polymeric barrier: FMVSS 302 self-extinguishing 
Reinforced aluminium foil: Class O to Building Regulations 
Durability: Lifetime of pipes insulated 
muftilag® SP is dimensionally stable under varying conditions of temperature and humidity as well as being compatible with all surfaces on which this product is likely to be used, within normal applications. 
Note: if the desired mass should exceed 5 kg/m² it is recommended that a further over layer of our RSBM5 foil faced 5 kilo barrier be used, achieving a 
10 kg/m² mass. We would like to point out that 10 kilo barrier mat alone is not flexible enough to be wrapped around a 110mm pipe. 
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