Ideal for all roof types and walls in timber frame structures, this Powerlon UltraPerm roofing felt is a high-performance underlay that can be used on ventilated and unventilated, supported and unsupported, warm and cold roofs. This non-woven composite membrane has good UV stab... Read More
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Ideal for all roof types and walls in timber frame structures, this Powerlon UltraPerm roofing felt is a high-performance underlay that can be used on ventilated and unventilated, supported and unsupported, warm and cold roofs.
This non-woven composite membrane has good UV stability, exceptional water vapour transmission and hydrophobic (water repellent) characteristics. It is suitable for pitched roofing felt and breather wall protection applications.
Question:
Is your felt fire rated to class AA please for Building Control compliance.
Answer:
The Powerlon UltraPerm Premium Vapour Permeable Roofing Felt is not rated to Class AA for fire resistance. Its current fire classification is Reaction to Fire: Class E, according to EN 13501-1 / EN ISO 11925-2 standards. This is a basic combustible classification commonly found in polypropylene breather membranes. It's recommended to check with your Building Control to ensure this classification meets their compliance requirements. For more information, you can refer to the product's data sheet available here: Data Sheet.
Question:
Powerlon UltraPerm Premium Vapour Permeable Roofing Felt - 50m x 1.5m How many rolls will I need to felt a roof 100 square meters
Answer:
2 x rolls would cover this area for you.
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