Welsh Slate Cwt-Y-Bugail Dark Blue Grey Natural Roofing Slate
Verified by manufacturer 9 months ago
500 x 250 mm
500 x 250 mm
QA Certificate
Certificate type
Natural slate in a Dark Blue colour produced from the Cwt Y Bugail quarry in the heart of Snowdonia National Park
Application
Commercial or residential roof pitches.
Description
Cwt Y Bugail Welsh Slate roofing is quarried from what is widely recognised as the finest quality and most durable slate deposit in the world. Cwt Y Bugail is located in Llan Ffestiniog on the edge of the Snowdonia National Park, North Wales. Cwt Y Bugail slate is generally dark blue grey in colour. The slate is naturally split along cleavage planes created by over 590 millions of years of intense pressure and heat to produce extremely strong roofing slates with a riven surface.
Features and benefits:
- Conform to BS EN 12326-1: (A1, S1, T1).
- Hold BS Kitemark accreditation and have a proven durability of in excess of 100 years.
- Available in 5.5 mm, 7 mm and 9 mm thickness.
General information
Color | Blue Grey |
Finish | Natural |
Material | Slate |
Shape | Rectangle |
SizeOther sizes are available, consult manufacturer. | - |
Length | 500 mm 400 mm 300 mm |
Width | 250 mm 200 mm 150 mm |
Height | 9 mm 7 mm 5.5 mm |
WarrantyDescription100 year guarantee. | Lifetime |
Uniclass | |
CAWS | H62/105 Roof slating null Roof slating with counterbattens H62/3 Roof slating null Roof slating with counterbattens |
Specification data - Natural slates
Slate type | - |
Colour | Dark blue grey. |
Slate size | - |
Length (minimum)Other sizes are available, consult manufacturer. | 500 mm. |
Width (minimum)Other sizes are available, consult manufacturer. | 250 mm. |
Standards | - |
Product specification | To BS EN 12326-1. |
Methods of test | To BS EN 12326-1. |
Properties | - |
Water absorption | <0.25%. |
Roof pitch | 25°. |
Head-lapMinumum/ maximum. | 50/ 110 mm. |
Grade | 5.5 mm, Capital. 7 mm, County. 9 mm, Celtic. |
Fixing | Copper/ aluminium cloutnails. |
ThermalConductivity | 2.0 W/m·K. |
Environmental information
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Recycled content | 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 | - | 1 |
 IFC | - | 1 |
Literature
01. Welsh Slate Roofing Brochure
ISO 14001: 2015 Cwt-y-Bugail Quarry
ISO 45001: 2018 Cwt-y-Bugail Quarry
ISO 9001: 2015 Cwt-y-Bugail Quarry
Case studies
Welsh Slate helps give a London landmark a new lease of life
Welsh Slate proves just the topping for Queen's Lace
Welsh Slate tops the menu at Clifton College
Welsh Slate helps historic country mansion with a new lease of life
Third party certifications
- BS Kitemark: Certificate no. KM08014 : CE Marking
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