Guelph Valley: Gueph Valley stone pressured Masonal to make a cut height product from the neutral light limestone. This product comes in 4 heights 2 1/4″, 5″, 7 3/4″, and 10.5″. | Montrose Valley: Montrose Valley is a blend of Northern Grey and Cobalt product lines. Masonal includes some bedfaced pieces with some texture and variance of colour to make a unique grey toned blend of products. These are cut to 3 heights unless otherwise specified.