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Welsh Slate Cwt-Y-Bugail Dark Blue Grey Natural Roofing Slate

Verified by manufacturer 18 days ago

500 x 250 mm

Welsh Slate Variant:
Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

  • European Technical Approval (ETA)

    European Technical Approval (ETA)

    Certificate type

Natural slate in a Dark Blue colour produced from the Cwt Y Bugail quarry in the heart of Snowdonia National Park

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BOS
+44 (0)1248 600656 Website

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

Length

500 mm

400 mm

300 mm

Width

250 mm

200 mm

150 mm

Height

9 mm

7 mm

5.5 mm

Warranty description

Lifetime

Manufacturer guidance

100 year guarantee.

Uniclass

Pr_25_93_72_56 Natural slatesPrimary

CAWS

H62/105 Roof slating

H62/110 Roof slating with counterbattens

H62/3 Roof slating

H62/5 Roof slating with counterbattens

Specification data - Natural slates

Slate type

-

Colour

Dark blue grey.

Slate size

-

Length (minimum)

500 mm.

Manufacturer guidance

Other sizes are available, consult manufacturer.

Width (minimum)

250 mm.

Manufacturer guidance

Other sizes are available, consult manufacturer.

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-lap

50/ 110 mm.

Manufacturer guidance

Minumum/ maximum.

Grade

5.5 mm, Capital.

7 mm, County.

9 mm, Celtic.

Fixing

Copper/ aluminium cloutnails.

ThermalConductivity

2.0 W/m·K.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

BIM objects

BOS

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

Third party certifications

QA Certificate

QA Certificate

BS Kitemark: Certificate no. KM08014

European Technical Approval (ETA)

European Technical Approval (ETA)

ATG Technical Approval Cwt Y Bugail

Literature

01. Welsh Slate Roofing Brochure

01. Welsh Slate Roofing Brochure

ISO 14001: 2015 Cwt-y-Bugail Quarry

ISO 14001: 2015 Cwt-y-Bugail Quarry

ISO 45001: 2018 Cwt-y-Bugail Quarry

ISO 45001: 2018 Cwt-y-Bugail Quarry

ISO 9001: 2015 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 helps give a London landmark a new lease of life

Welsh Slate proves just the topping for Queen's Lace

Welsh Slate proves just the topping for Queen's Lace

Welsh Slate tops the menu at Clifton College

Welsh Slate tops the menu at Clifton College

Welsh Slate helps historic country mansion with a new lease of life

Welsh Slate helps historic country mansion with a new lease of life

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