Archive for the ‘History’ Category

Hardishake Layers

Sunday, June 29th, 2008

Have you noticed your roof chipping away? In 1996, the marketing representative for HardiShake trained a small handful of my colleagues to sell their exciting product. As the marketing representative explained it to me, the Hardi Shake fiber cement shingles were made by rolling a wire mesh wheel through a mixture of sand, cellulose "wood" fibers ...

Capillary Suction – The Catch 22

Saturday, September 29th, 2007

One of the tell-tale signs of premature shingle failure is "capillary suction". Moisture can get into and behind the shingles because they sit tightly on top of one other. Water will literally appear to defy gravity as it is drawn backwards (wicking) into the overlapping above fiber cement shingle. The way to defeat capillary suction is ...

Asbestos Fibers?

Wednesday, August 29th, 2007

Old concrete shingles were sometimes manufactured with asbestos fibers that served to increase their strength and durability. As you know, a person struggling with asbestosis cannot pass the fibers out of their body. The fibers are extremely resilient... holding on to the body and refusing to let go. Due to the serious health ...