Westerland slates - Roof Slates
Verified by manufacturer 3 months ago
BBA Agrément Certificate
Certificate type
Fibre cement slate with dressed edge and textured surface.
Application
Suitable for roof pitches.
Description
Fibre cement slates manufactured using Portland cement and a non-asbestos formulation of blended synthetic and cellulose fibres. Pigmented during production, the product is fully compressed and finished with a high-quality acrylic coating to both faces and all edges.
Features and benefits:
- Lightweight.
- Pre-holed.
- Cut with hand tools.
- Easy to install.
- Appearance very close to natural slate.
General information
Color | Other Guidance for specification option: Choice of three colours. |
Finish | Matt Guidance for specification option: Semi-matt acrylic. |
Material | Cellulose fibre Guidance for specification option: Blended synthetic and cellulose fibres. Cement Guidance for specification option: Portland cement. |
Shape | Rectangle |
Length | 600 mm 500 mm |
Width | 300 mm 242 mm 492 mm 600 mm |
Height | 4 mm |
Warranty description | 30 year Guidance for specification option: 30 year integrity warranty from date of delivery to site. 20 year |
Uniclass | |
CAWS | H61/10 Vertical slating H61/105 Roof slating H61/110 Roof slating with counterbattens H61/120 Vertical slating H61/3 Roof slating H61/5 Roof slating |
Product range |
Specification data - Fibre-cement slates
Classification data | |
Standard | To BS EN 492, Type NT. |
Colour | Blue-black. Graphite. Welsh blue. |
Product Reference | Westerland slates |
Head-lap (minimum) | 90 mm. |
Pitch | Minimum 20°. |
Batten size | 38 x 25 mm. Guidance for specification option: For rafter spacing up to 450 mm. 50 x 25 mm. Guidance for specification option: For rafter spacing between 450 and 600 mm. |
Sustainability data
Material | Cellulose fibre Guidance for specification option: Blended synthetic and cellulose fibres. Cement Guidance for specification option: Portland cement. |
A1–A3 ('Production stage') | Embodied carbon as defined in BS EN 15804 |
Normalized unit | |
Declared unit | 1850 kg CO₂ eq/m³ Self-declared |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 Revit | Revit 2016 | 3 |
 IFC | IFC2X3 | 2 |
Product certifications
BBA Agrément Certificate
03/4041_2
Literature
Westerland - Fibre Cement Slate
Swisspearl Roof brochure