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Masons Fibre Cement Soffit
Description

Masons fibre cement sheets are 4.5mm thick and used as a soffit lining for external eaves and verge projections.

Masons 4.5mm fibre cement soffit lining is a non-structural, lightweight, smooth, flat sheet. It is manufactured from Portland cement, crystalline silica, fly ash and cellulose pulp and is defined as non-combustible in accordance with BS 476-4. Once coated with a paint system it is resistant to moisture and rot.

Key Features
  • Lightweight, smooth, flat sheet
  • Defined as non-combustible in accordance with BS 476-4

Available sheet size:

  • Length: 2440mm
  • Width: 600mm
  • Thickness: 4.5mm
NZ-Owned Business
NZ-Owned Business
Scope of Use

Locations:

  • In wind zones up to and including extra high, as defined in NZS 3604:2011 or a maximum permissible ultimate limit state (ULS) of 2.1 kPa
  • In all corrosion zones as defined in NZS 3604:2011
  • Any proximity to the relevant boundary
Limitations on Use

Limitations:

  • Where installed within 1 m of a relevant boundary, the balance of the roof, eave and wall structure must meet the relevant fire-related building code obligations

 Buildings:

  • On buildings where the primary roof structure complies with the New Zealand Building Code (NZBC) or for an existing roof structure where the designer and installer are satisfied that the existing framing is suitable for the intended building work
  • In conjunction with timber or light weight steel framing
NZS 3604 Corrosion Zone B suitable
Corrosion Exposure Zone B
NZS 3604 Corrosion Zone C suitable
Corrosion Exposure Zone C
NZS 3604 Corrosion Zone D suitable
Corrosion Exposure Zone D
NZS 3604 Wind Zone Extra High suitable
Extra High Wind Zone
Statement of Building Code Compliance

If designed, installed and maintained in accordance with all Masons Plastabrick’s requirements, the Masons 4.5 mm fibre cement soffit lining will comply with or contribute to compliance with the following performance claims:

B1 Structure: B1.3.1, B1.3.2, B1.3.3 (a, h, j, m & q), B1.3.4 (a, b, c, d)

  • Chemical & Metallurgical Services, Chennai. IS: 14862, ASTM D-1032, IS: 2380, ASTM C1185. Testing for tensile strength, compressive strength, screw withdrawal strength, density, modulus of rupture [03/2017].

B2 Durability: B2.3.1 (b)

  • Chemical & Metallurgical Services, Chennai. IS: 14862, ASTM D-1032, IS: 2380, ASTM C1185. Testing for Freeze/Thaw [03/2017].

C3 Fire affecting areas beyond the fire source: C3.7 (a

  • TUV SUD PSB Pte. Ltd. BS 476: Part 4: 1970 [03/2015].

E2 External Moisture: E2.3.2, E2.3.3, E2.3.5, E2.3.7 (a, b, & c

  • Chemical & Metallurgical Services, Chennai. IS: 14862, ASTM D-1032, IS: 2380, ASTM C1185. Testing for water permeability, absorption, soaking [03/2017].

F2 Hazardous Building Materials: F2.3.1

  • Ramco Hicem Fibre cement board safety data sheet [28/05/2020].
B1 Structure compliant
Structure
B2 Durability compliant
Durability
C Protection from Fire compliant
Protection from Fire
E2 External Moisture compliant
External Moisture
F2 Hazardous Building Materials compliant
Hazardous Building Materials
Documents
Design & Installation Guide

2021

PASS Product Statement

19158

Care & Maintenance Guide

2021

Product Warranty

2021

CAD/PDF Details
Boxed Soffit Direct Fix

MPB-SL-01

Boxed Soffit Cavity

MPB-SL-02

Raking Soffit Direct Fix

MPB-SL-03

Raking Soffit Cavity

MPB-SL-04

Nailing Pattern

MPB-SL-05

UPVC Joint

MPB-SL-06

Express Joint

MPB-SL-07

Butt Joint

MPB-SL-08

Cross Section Soffit Direct Fix

MPB-SL-09

Gable End

MPB-SL-10

Since being established in 1999, Masons has become a key supplier in the New Zealand building industry, offering a variety of quality products and tools for a whole range of building requirements.

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