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NBS Source


Designed to satisfy the requirements of BS 5534 and BRE Defect Action Sheet 9 which recommend the use of a more durable material for areas where the underlay may be exposed.

General information


UV resistant HDPE


Pr_25_57_08_75 Reinforced bitumen roofing sheetsPrimary


H60/365 Unventilated eaves

H60/47 Eaves

H61/365 Unventilated eaves

H61/47 Eaves

H65/365 Eaves

H65/47 Eaves

Specification data - Reinforced bitumen roofing sheets

Product Reference

Monarflex EG300

Standard product features


UV resistant HDPE.

Size/ Roof pitch:

EG300 – 1300 mm x 300 mm for roof pitches of 30° and above.


1.5 mm.

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