NATURAL SLATE PRODUCTS

Each SIGA natural slate product has a SIGA number – SIGA 120, SIGA 39 and so on. The SIGA number specifically defines the quarry and selection of slate, guaranteeing traceability and consistency that is second to none.

Excellence

The finest natural roofing slates from the most reputable quarries, selected to provide a long lasting, beautiful roof with minimal grading and sorting. This range also provides readily available alternatives to long discontinued slates from Wales and Scotland, providing a close match for texture and colour without the slightest compromise on quality.

SIGA Excellence natural slates are ideal for heritage conversion and refurbishment projects and high quality new build and self build projects, with some slates being National Parks approved.

All slates are S1, T1, W1 (≤ 0,6%) to comply with NHBC Standards.

All Excellence slates come with warranties of up to 75 Year Warranty, terms and conditions apply.

SIGA 53S

A strong, hard slate with excellent durability, an attractive dark/grey appearance and a rustic, rugged texture.

VIEW PRODUCT

SIGA 112s

A dark blue grey smooth slate from Spain which has National Parks Approval.

VIEW PRODUCT

SIGA 120

A unique, random diminishing alternative to traditional Scottish Slate.

VIEW PRODUCT

SIGA 150

An alternative to native green slate which can no longer be sourced. Commonly used on churches.

VIEW PRODUCT

SIGA 140

An alternative to indigenous purples slate, sourced from the USA.

VIEW PRODUCT

SIGA 39

A very popular slate for use on all projects across the UK, with a pleasing blue grey textured finish.

VIEW PRODUCT

SIGA 32s

A textured blue grey slate with National Parks Approval. A good alternative to the popular SIGA 32.

VIEW PRODUCT

SIGA 67atg

An attractive blue black slate suitable for use in Scotland on high profile projects. Complies with the Belgian ATG standard.

VIEW PRODUCT

SIGA 32

A textured blue grey slate with National Parks Approval. 7mm thickness commonly used in the North of England, 5mm in the South.

VIEW PRODUCT

SIGA 32s Random Width

The SIGA 32s is sourced in Spain and can be used as an alternative to our SIGA 120.

VIEW PRODUCT

SIGA 50x

A clean, flat and regular slate with an attractive dark appearance, commonly used in the South of England.

VIEW PRODUCT

Commercial

A range of good quality natural roofing slate, ideal for the refurbishment and volume housing developer market. Commercial slates are recommended for experienced slaters, as thickness and quality can be more variable than the Excellence range, so careful sorting and grading is recommended for the best aesthetics.

All slates are S1, T1, W1 (≤ 0,6%) to comply with NHBC Standards. Wastage, while still very reasonable, is generally a little higher than the Excellence range.

All our Commercial Natural Slates come with a 30 Year Warranty, terms and conditions apply.

SIGA 37

A very popular slate for use across the UK, with a pleasing blue grey textured finish similar to SIGA 39.

VIEW PRODUCT

SIGA 62m

A first selection slate from the La Bana Region with a fine vertical line. Smooth, blue grey and slender - suitable for projects in the South and East

VIEW PRODUCT

SIGA 13s

A dark blue grey smooth slate from Spain similar to SIGA 112s, with a fine vertical grain. Often used on self build projects.

VIEW PRODUCT

SIGA 35

A heavy textured 8mm blue grey slate very popular with housebuilders in Scotland.

VIEW PRODUCT

SIGA 65v

A consistent, economical and smooth natural slate. Ideal for new build housing projects covered by NHBC warranties in the South, West and East of Engl

VIEW PRODUCT

SIGA 65

A first mixed selection textured blue grey slate from a very popular quarry, suitable for all project types except in Scotland.

VIEW PRODUCT

SIGA 54x

A clean, flat and regular slate with an attractive dark appearance, commonly used in the South of England. Very cost effective.

VIEW PRODUCT

Classic

Affordable natural roofing slates of good overall quality make the SIGA Classic range ideal for budget conscious projects. Although they require more sorting and grading to produce a good roof finish, all SIGA Classic roof slates must meet the same strict testing and certification criteria as the higher grades.

SIGA Classic range of natural slates are ideal for conversion and refurbishment projects across the UK, and are NHBC compliant making them particularly suitable for new build housing. Wastage is a little higher than the Commercial range.

All our SIGA Classic slates come with a 30 Year Warranty, terms and conditions apply.

SIGA 56m

A smooth, blue grey and slender slate from the La Bana Region. Suitable for conversion and refurbishment projects in the South and East of England.

VIEW PRODUCT

SIGA 56x

A clean, flat and regular slate with an attractive dark appearance, commonly used in the South and East of England.

VIEW PRODUCT

SIGA 56s

A dark grey, textured 8mm budget option slate suitable for conversion and refurbishment projects in Scotland.

VIEW PRODUCT

SIGA 56v

A smooth, economical, natural slate. Ideal for new build projects covered by NHBC warranties in the West of England and Southern Home Counties.

VIEW PRODUCT

HERITAGE REPRODUCTION STONE

Heritage Reproduction Stone

Individual hand crafted alternatives to Cotswold natural stone and Collyweston and Swithland natural slates, reflecting the rustic beauty of the originals.

Heritage Reproduction Reclaimed Slate

A reproduction roof slate providing all the look and feel of weathered natural reclaimed slate but with a 25-year guarantee and no shortage of supply.

Fibre Cement

SIGA Man-Made Smooth Square Edge fibre cement roofing slates have a smooth surface with square edges. An ideal option if looking for a cost-effective alternative to natural slates.