Home > Companies > BMI Icopal > Monarflex Protect 1F

A lightweight, composite non-breathable underlay using a waterproof polyethylene upper surface and a non-woven spun bonded polypropylene underside. It is a lightweight alternative to BS 747, type 1F underlays.

Installation:

All roof underlays should be installed to comply with BS 5250, BS 5534: Part 1and BS 8000: Part 6.

Standard product features

Colour:

Matt black.

Width:

1 m.

Thickness:

0.45 mm.

Tensile Strength:

(N per 50 mm): 340(MD), 260(TD).

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-65-50/325 Plastics sheets

Product specification

An important note about specifying

Manufacturer

Name:

BMI Icopal

Tel:

+44 (0)843 224 7400

Product reference

Monarflex Protect 1F

Length

[15 m]
[45 m]

Manufacturer details

BMI House,
2 Pitfield,
Kiln Farm,
Milton Keynes,
Buckinghamshire, MK11 3LW
Tel +44 (0)843 224 7400
Fax +44 (0)843 224 7401
NBS Plus
RIBA CPD