NF P51-330-1*NF EN 14241-1:2013 Chimneys - Elastomeric seals and elastomeric sealants - Material requirements and test methods - Part 1 : seals in flue liners
2013NF P51-330-1*NF EN 14241-1:2013 Chimneys - Elastomeric seals and elastomeric sealants - Material requirements and test methods - Part 1 : seals in flue liners