Natural Slate SIGA 140
Verified by manufacturer 3 months ago
Purple 20" x 12"
Purple 20" x 12"
A smooth slate with a purple sheen, carefully selected as a suitable alternative to indigenous purple slates.
Application
Suitable for heritage and conversion/ refurbishment.
Description
A smooth slate with a purple sheen, carefully selected as a suitable alternative to indigenous purple slates. SIGA 140 is suitable not only for aesthetic requirements but also ensures outstanding technical performance.
Features and benefits:
- Purple sheen.
- Part of the Excellence Range.
- Two sizes available.
- Source: Vermont, USA.
- 75 year warranty.
- Certified Grade 1 by the ASTM (American Society for Testing and Materials) with the highest prediction of service life.
- Meets the requirements of NHBC.
General information
Color | Purple |
Finish | Smooth |
Material | Slate |
Shape | Rectangle |
Length | 508 mm Guidance for specification option: 20". 406.4 mm Guidance for specification option: 16". |
Width | 304.8 mm Guidance for specification option: 12". 203.2 mm Guidance for specification option: 8". |
Height | 7 mm |
Warranty description | 75 year |
Uniclass | |
CAWS | H62/105 Roof slating H62/120 Vertical slating H62/3 Roof slating H62/10 Vertical slating |
Specification data - Natural slates
Slate type | |
Source | USA. |
Colour | Purple. |
Slate size | |
Length (minimum) | 508 mm.Guidance for specification option: 20". |
Width (minimum) | 304.8 mm.Guidance for specification option: 12". |
Standards | |
Product specification | To BS EN 12326-1. |
Methods of test | To BS EN 12326-1. |
Properties | |
Dimensional tolerances | Deviations from declared length, width, edge straightness, rectangularity, and flatness are not to exceed values specified in BS EN 12326-1, clause 5.12. |
Nominal thickness and individual thickness variation | To BS EN 12326-1, clause 5.2. |
Characteristic modulus of rupture (Transverse) | 67.7 Mpa. |
Characteristic modulus of rupture (Longitudinal) | 65.5 Mpa. |
Water absorption | Code W1(>0.6). |
Freeze-thaw resistance | No test required. |
Thermal cycle test | Code T1. |
Carbonate content | Less than 20%.Guidance for specification option: 5.76% (≤20%). |
Sulfur dioxide exposure test | Code S1. |
Non-carbonate carbon content (maximum) | 2%.Guidance for specification option: 1.1% - Complies (≤2%). |
Thickness | 7 mm. |
Reaction to fire | Class A1. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United States |
Country of product manufacture | United States |