BARLOSA
Barlosa Slate
The versatility and durability of slate as a material for roofing was established nearly 1000 years ago. Slate as a building material is mentioned in the Doomsday Book of 1086. Slate was quarried in Scotland from the 15th century and the industry reached it's high in 1900 at 45 million slates per annum. By 1966, the last documentation from the indigenous quarries reported a return of 5 tonnes.
Take a look at our BARLOSA brochure
Spanish slate has been entering the Scottish market from the late 1800s. Due to the demise of the Scottish quarries, Spain has taken over as principal supplier and is currently the undisputed market leader in the production of natural slate; accounting for 80% of the slate sold worldwide. BARLOSA is extracted using the environmentally friendly technique of diamond wire. This virtually eliminates the necessity for destructive explosive, thus giving far more usable material.
The BARLOSA quarry is situated in Marrubio in La Cabrera, one of the best and more prestigious areas for natural slate in Spain. It is the original site of the La Baña quarry, which is very highly regarded within the UK and was re-opened in 2008 by Pizarras barreda Lopez e hijos S.L. who are supplying the market with slate under the commercial name of BARLOSA.
Natural slate is the most durable roofing material available. It is unaffected by weather, acid rain or extremes in temperature. It is unaffected by UV radiation, is non combustible, is resistant to acid or alkali attack and impermeable to water.
BARLOSA is characteristically a beautiful blue/black, pyrite free, heavy slate. It is smooth on the back, with a rough surface that is typical to indigenous, Scottish Ballachulish slate which has not been produced for over 50 years. BARLOSA will produce a roof that gives your project a beautiful and permanent finish that will remain unchanged for many years to come.
BARLOSA slate is tested to and has passed the most stringent of tests in Europe. It carries the European Standard BS EN12326 CE mark; the British Standard BS680 Part 2; the French NF228-02/01/01; the Belgian ATG H571 and the CE-marking where it got the highest achievable results of T1 (for Durability to Thermal Cycling) , A1 (for low Water Absorption)and S1 (Durability to Sulphur Dioxide Exposure).
BARLOSA carries a 100 year quarry backed guarantee, for additional peace of mind for roofing contractors, developers, specifiers and home owners. The product is used widely across Scotland and is available in a variety of sizes from 350mm x 200mm (14 x 8) to 500mm x 250mm (20 x 10).
Burlington Slate
Welsh slate
Welsh slate benefits from a number of highly practical properties that make it an exceptional roofing slate. It is the most durable slate in the world with a useful and productive life of more than 100 years – guaranteed. It is waterproof and unaffected by normal extremes of temperature, highly resistant to acids, alkalis and other chemicals and it is colour-fast and non-fading, even in UV light.
Take a look at our Burlington Slate brochure
Natural slate from Welsh Slate’s Penrhyn, Ffestiniog and Cwt-y-Bugail quarries produces the finest roofing slates in the world. Its durability, which sets it apart from other slates, is derived from its density and the geological formation found in that part of North Wales.
Welsh Slate roofing is commonly removed from roofs after 100 years not because they have failed but because the roof timbers holding them up have failed. The Welsh slates may then be re-used. Penrhyn slate, for example, was removed from St Asaph Cathedral after 400 years in use and reused and this practice also applies to civic buildings as far away as Australia.
This blend of quality and aesthetics, as well as the large format sizes available, makes Welsh Slate roofing slate much desired for heritage and prestigious projects including Buckingham Palace, Number 10 Downing Street and St Pancras and King’s Cross Stations.
Welsh Slate’s unique features provide building owners with both a fully functional
long-lasting roof with an aesthetically pleasing appearance. In addition, roofing contractors derive benefit from the method of production which means only a low level of on-site grading is required, saving them time and money, and the number of breakages on site is typically few, again saving time, money and waste.
For roofing materials in Scotland, call Scotia Roofing Supplies Ltd on FORFAR – 01307 477422 COATBRIDGE – 01236 423231
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