Hardrow® Duets™ Roof Slate
A COST EFFECTIVE ALTERNATIVE TO NATURAL STONE SLATES

Hardrow® DuetsTM Roof Slates are suitable for use in regions where a natural stone slate appearance is required. Our concrete roof slates combine two subtle blends of colour on each tile to provide 10 regional effects.
Hardrow® DuetsTM slates are extremely durable and mellow with age. They are suitable for use on contemporary or conservation projects, new builds and renovations. The slates are manufactured with a slight camber and variation in dimensional tolerance. This adds to the product's charm when laid.
Benefits

- Cost effective alternative to natural slates
- Provides a quality finish at a modest cost
- 10 pre-mixed natural stone colours mean there is no need to mix on site
- Very resistant to wind uplift in exposed areas
Different roof shapes - A purpose made slate for every detail
- Curved roofs
- Change in roof pitch
- Hips and valleys for unusual roof shapes
- Standard valleys and hip details
- Ridge tiles - Monopitch, Pyramid, & Standard
- Internal and external angles
Purpose Made Slates

We provide a range of purpose made slates. These are manufactured from the slate material to provided a seamless roof finish. Our specialist slates will suit all angles and roof pitches and:-
- reduce the use of mortar bedding and potential mortar failure
- reduce the risk of falling tiles and scaffolding costs
- eliminate the need for lead work and maintenance in valley areas
Hardrow® DuetsTM slates are extremely versatile:-
- Wide range of standard tile sizes to suit different roof pitches
- Available in random widths or diminishing courses for a traditional appearance
- Suitable for use down to 17.5º, creating a bold appearance
- Slates available for tile hanging in standard and decorative patterns
- Purpose made ventilation fittings available
A high quality product
- 30 year Durability Guarantee against manufacturing defects
- Quality product certified to BSI Kitemark BS EN 490
- Proven product which has been manufactured since 1928
- Technical support available
Other products in the Hardrow® range:-
Hardrow® SolosTM - A single colour tile with subtle variations
Hardrow® Harmonies ® - Blends of different tile colours for a distinctive look
For all sales enquiries please contact our Customer Service Office at Leighton Buzzard

Regional Colours
| Bedfordshire - Barley, Twilight |
Herefordshire - Barley |
Northamptonshire - Barley, Twilight |
| Cambridgeshire - Barley, Twilight |
Leicestershire - Barley, Twilight |
Staffordshire - Dusk, Twilight, Glade, |
| Cheshire - Dusk, Twilight |
Lincolnshire - Barley, Twilight |
Warwickshire - Barley |
| Cotswolds - Barley, Glade, Twilight | North East & North Yorkshire - Dusk, Twilight | West Midlands - Dusk, Twilight, Glade |
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Derbyshire - Dusk, Twilight, Glade |
North West - Dusk, Twilight | Yorkshire - Barley, Twilight, Glade |
GUARANTEE:
The colour of
Hardrow® Slates will change with natural weathering over the years
but the integrity of the slates carries a 30 year guarantee, from
date of supply, subject to the company's normal terms.
Forticrete Roofing Products' policy is one of continuous
improvement and the Company reserves the right to change
specifications and designs at any time without notice. The colours
reproduced within this website are as close as the photographic
processes will allow and, where an exact colour match is
critical, you are advised to view actual tile samples. Hardrow® Slates
are branded with an 'H' stamp on the products.
Bespoke Slate Fittings
Click on any of the links below for more information
- Standard and Non Standard Hip Tiles
- Splay Hips
- Valley tiles (for equal pitches at 90°)
- Splay Valleys (for equal pitches greater than 90°)
- Mitred Hips
- Plastic Continuous Dry Verge Trim (2.6 metres)
- Top Edge Abutment Ventilation
Other specialist slates and fittings (Details
available on request)
- Mansard Slate (for changes in roof pitch)
- Internal and External angles (90° for vertical tiling)
- Internal and External angles (greater than 90° for bay windows)
- Monopitch Ridges (for buildings with single slope roofs)
- Dry Verge Tiles (made from the same material as the slates
- Pyramid Caps
Ventilation Products
- Plastic Lo-Level Flush Fitting Ventilation Tile
- Soil and Air Vent Tiles (made from the same material as the slate)
- Gas Vent Ridge Terminals
- Continuous Dry or Ventilated Ridge System (for trussed roofs)
- Continuous Dry or Ventilated Ridge System (for roofs with a ridge board)
- Eaves Vent Pack (6 metres)
- Eaves Vent Pack Extension Trays
Other ventilation products (Details
available on request)
- Air Vent Ridge Terminal
For pitches below 40° it is possible to hang the slates, depending on conditions, but advice should be sought from the Forticrete Technical Department on 0800 262136.
Above 40° all slates should be nailed into the batten with 2 x 40mm x 3.35mm aluminium nails (40mm x 4mm for 24 x 18 slates). The nail hole diameters are approximately 5mm with the nail holes being approximately 50mm down from the heads of the slates and 50-100mm in from the side edges.
Recent projects completed using Hardrow® DuetsTM:-
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Dry Fix & Ventilation Brochure - April 2007 (4 MB) | Click here to download |
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Hardrow Duets Brochure - May 2007 (865 KB) | Click here to download |
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COSHH Data Sheet - Roofing (2008) (46 KB) | Click here to download |
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