Hardrow® Harmonies® Slate Roof
BLENDS OF DIFFERENT COLOUR STONE SLATE COLOURS TO GIVE INTERESTING COMBINATIONS

Hardrow® Harmonies® slate roof tiles are a selected blend of mixed stone colours, each one unique to Hardrow® Slates. This enables you to simplify the specification process. Our through coloured concrete roof slates are available in a wide range of colours. Distinctive roofs can be achieved by blending 3, 4 or 5 different colours together. You can make as vivid or as subtle a combination on the roof as you require. Forticrete has formulated a number of standard mixes as well as a number of special colour combinations to suit regional areas such as the Collyweston mix used in the counties of Northamptonshire, and Bedfordshire.
The slates are manufactured with a slight camber and slightly vary in dimensional tolerance adding to the product's charm when laid. Suitable for commercial developments, new build and renovation projects. They are also suitable for extension projects, where a low pitched slate may be required.
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® Harmonies® are very 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® DuetsTM - Replicate natural stone slates
For all sales enquiries please contact our Customer Service Office at Leighton Buzzard.
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.

Other popular stone colour mixes that harmonise into the natural environment
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Collyweston Mix |
Cotswold Mix |
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Dark Stone Mix |
Light Stone Mix 5% Orange, 75% Yellow, 15% Brown, 5% Light Grey |
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
Our FastrackCAD Database provides accurate layered sectional elevations of our roofing products in our Hardrow range.
If you are an architect or specifier, our CAD drawings will assist you with the creation or modification of project documentation, by increasing accuracy and reducing drafting time.
Explore our full range of roofing details CAD downloads. All our CAD drawings are available to download in PDF and DWG format.
If you require technical support please call the FastrackCAD helpline on 020 8668 4646 or email
fastrackcad-help@techgraf.co.uk
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Roofing COSHH Data Sheet (231 KB) | Click here to download |
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Roofing Design Guide v11 (1058 KB) | Click here to download |
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Forticrete Dry Fix & Vent Guide_Update v1 (2 MB) | Click here to download |
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Hardrow Solo Harmonies 6pg July 2011 (1755 KB) | Click here to download |
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