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J Long & Son
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"1st class service. My roof was not the easiest due to its curves but Johnny provided a great service to ensure the slates I received were the right colour, quarry guaranteed and excellent quality. The price was very reasonable and Johnny was always available when needed."

Damien McAllisterCushendall

"Johnny has provided the materials for three roofs for me and I found the company to be most helpful. The service was great, the products were price-wise very reasonable and everything was delivered as and when agreed! Very helpful. Good quality."

David McCulloughBroughshane

"We found Johnny to be very honest and reliable. Whatever he told us he would do he was good to his word. The quality of the Slate deliverd were excellent with no problems fitting ."

Thomas and Ernestine MccuneArmagh

"We priced a number of different suppliers and found J. Long & Son to be the best value and quality on the market. We are delighted with our new roof and would recommend J. Long & Son to anyone."

Sean and Ann AgnewLarne

"An excellent fitting service, very competitive pricing and everything was as promised."

B. Hamilton

"We've used J.Long twice now and are happy to recommend him. Good product with excellent customer service means we would certainly use again."

A.McDowell & R.Crawford

"Jonathan was particularly helpful in dealing with many queries raised by our mutual Client, leading to a completed Project which met and exceeded everyone's expectations"

WayneAssociate at Anderson Architect

Blue Diamond Slate

The worlds most technically advanced manufacturing plant and coating lines have been installed in the factory for the production of the Blue Diamond & Black Diamond range of Slates making this factory the most advanced of its kind in the world .

Blue Diamond has a fully coloured through base . The surface has “Streuschict ” this remarkable process concentrates a special dense colour pigment into the surface of the slate prior to being finally coated , thus making an excellent quality homogeneous slate .

Blue Diamond slates are manufactured to BS . EN 492 / 1994 and are manufactured under EN 401 Environmental Standard and EN ISO 9002 Quality Management Standard.

Blue Diamond Slates carry a comprehensive 30 year warranty and the 20 year colour guarantee in accordance with the manufacturers guarantee. ( a copy of the guarantee is available on request )

SKU: bluediamond Category: Uncategorized
  • Description
  • Additional information

Description

The worlds most technically advanced manufacturing plant and coating lines have been installed in the factory for the production of the Blue Diamond & Black Diamond range of Slates making this factory the most advanced of its kind in the world .

Blue Diamond has a fully coloured through base . The surface has “Streuschict ” this remarkable process concentrates a special dense colour pigment into the surface of the slate prior to being finally coated , thus making an excellent quality homogeneous slate .

Blue Diamond Colour has been specially blended for the Irish weather climate and has a superior diamond hard smooth finish , to enhance not only your roof but also to enhance the look of brick , stone , cement or wood facade of your house or buildings.

Blue Diamond slates are manufactured to BS . EN 492 / 1994 and are manufactured under EN 401 Environmental Standard and EN ISO 9002 Quality Management Standard.

Blue Diamond Slates carry a comprehensive 30 year warranty and the 20 year colour guarantee in accordance with the manufacturers guarantee. ( a copy of the guarantee is available on request )

Technical Specifications

Fixing : Predrilled three holes

Minimum Rafter Pitch = 20 degrees . Laid to 1000 mm Lap ( Moderate 1 Severe Exposure )

Density : 1700 KG / M3 average when tested to BS 4625 , section 14

Frost Test : 100 Freezel thaw cycles in accordance with BS EN 492 , 1994

Tolerances BS EN 492 , 1994 . Length or Width = 1 + 3.00mm Thickness + 1.00 mm / – 0.4 mm.

Fire Ratings : Fire BS 476 Part 4 fibre cement slates are non combustible .

Thickness : 4,0 mm

Length 600 mm

Width 300mm & 600mm

Frost Resistance According to BS . EN 492 draft 10 / 92

Storage : Blue Diamond Slates should be stored dry , protected from the weather and other hazards.

Markings : Brand size and colour .

Pallets of 980 PCS Blue Diamond .

BLUE DIAMOND , THE SLATES THAT THE EXPERTS PREFER TO USE FOR OVER A QUATER OF A CENTURY THROUGHOUT IRELAND !

Additional information

Size

500 mm by 250 mm, 500 mm by 300 mm, 600 mm by 300 mm

Thickness

6 mm, 8 mm

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