new slate and copper roof we installed Nov. 2020. Concord NH

Copper standing seam roof. Dec 2020. We love installing custom copper roofs! GDC

Madbury NH

Currently completed in September 2020. Copper roof soldered lock. Exeter NH the old school masters house of Phillips Exeter Academy...

Strengths & Weaknesses Slate roofs are the most durable longest lasting roofs in the world. They shed snow loads and are resistant to...

Welded/Soldered Copper Copper roofs are both beautiful and durable and a lifetime material. The most common issue that we see and...

Some places in NH have a lot more slate than others. Have you noticed more slate roofs in towns like Keene NH? Or Exeter NH? This is...

Below is a variegated green purple VT slate in Exeter NH. If you have an older slate roof we can bring back to original color! Contact us...

GDC's proprietary "da Vinci" Copper for our ETSY store "The Coppersmith" We have been working with copper for a long time. Here at GDC...

Field stone chimney being repointed in Kingston NH by GDC. Masonry has always had close ties with slate roofs and most all roofs. There...

Here is our Lane Shingle Mill circa 1878. Making hemlock shakes for a custom job. A little history here. Before the use of quarry stone...

Here we are shearing 16 oz. Copper sheet for copper drip edge on our 10' Niagara Shear. Working with copper is a large portion of our...