Slate-HEarthA | M & J's Fireplaces – Glasgow Showroom. Open 7 Days & 7 Nights | Gas, Electric, Solid Fuel fireplaces and fires are handmade in Glasgow and we offer a fitting installation service. Supply to Glasgow, Edinburgh, Lanarkshire, Renfrewshire, Ayrshire, Falkirk, Stirling, Limestone, Slate, Marble, Granite, Fires.