FM-20 SCR

Langley FM-20 SCR Built-Up-Roofing System (Mechanically Fixed Installation)

The FM-20 SCR is a premium quality elastomeric overlay system for the refurbishment of existing systems where compatibility may be an issue such as single-ply membranes. Suitable for flat or sloping roofs. Cap sheet is available in several colours for architectural purposes and delineating walkways etc. This system carries an independently insured guarantee for 20 years for both materials and workmanship.

When to Specify

For refurbishment projects where existing system has failed due to mechanical damage etc. The isolation layer of SCR Alliance has a non-woven polyester reinforcing fleece, which is exposed on the underside, creating a barrier that isolates the new and existing systems allowing them to be overlaid, avoiding costly strip-ups. Suitable for profiled metal, timber or plywood roof decks. Other deck types subject to approval of Langley Technical Department.

(1) Parafor Solo GS, 5mm (4mm at selvedge), 5.71kg/m².

(2) SCR Alliance, 2mm, 1.85kg/m².

(3) Existing Roof/Waterproofing System

Total System Weight = 7.56 kg/m²

Durability

Extremely robust yet flexible roof covering, 5mm cap sheet fully bonded to 2mm underlay mechanically fixed over the existing system with fasteners and pressure plates. Non-slip slate granule surface provides ample durability and puncture resistance for maintenance foot traffic.

Assessment & Testing

FM-20 membranes are covered by MOAT 31 (Reinforced Homogenous Coverings of SBS Elastomeric Bitumen). Parafor Solo GS achieves a ‘resistance to damage’ rating of R4 (the highest level of acceptance) under MOAT 31. Parafor Solo GS cap sheet has a F.AA fire rating and is Factory Mutual approved.

Lifespan

Long term solution, life expectancy in excess of 30 yrs.

Proven

Proven track record, used in UK and Europe since 1981. Parafor and paradiene membranes are covered by a BBA Agrément Certificate.

Guarantee

System carries a 20 year independently insured guarantee for both materials and workmanship.
Can only be installed by approved contractors to ensure product quality is maintained
User friendly, quick and easy to install.
Full range of accessories/supporting products, all included under a single comprehensive guarantee, includes: Rooflights, `Refurbishment Outlets, Vents, Lead-Free flashings, Edge Trims etc.
All Langley elastomeric membranes have been developed in accordance with the European Union of Agrément (UEAtc) and are manufactured and tested in accordance with UEAtc MOAT special directives (Methods of Assessment and Testing).

Holistic Package

For users peace of mind, this system is supported by the full Langley package that includes: survey’s, condition reports and proposals, specifications, site monitoring and reporting, technical and design advice, guarantee inspections, all at no additional cost.

The above information is issued in good faith and without warranty and is intended as a guide only. The information comprises typical data and does not constitute a specification.