Siding Over Asbestos Cement Siding

Alternatively if you leave the asbestos on your home you can safely seal the old siding underneath the new siding and because asbestos is an excellent insulator you will actually be adding to the energy efficiency of your home by leaving it on.

Siding over asbestos cement siding.

Would i hang the vinyl siding directly over the asbestos or would i put some sort of foam or insulation board or something over it first then hang the siding. A common remodeling practice is to install new vinyl or aluminum siding over cement asbestos shingle siding as well as over many other older siding materials when the old siding has become damaged leaky or cosmetically ugly. Removing asbestos is often cost prohibitive for most people. Manufacturers use asbestos in fiber cement siding.

Asbestos siding is composed of asbestos fibers mixed with portland cement. The asbestos was installed over original wood board siding 3 4 thick. Most siding companies are well experienced at techniques for covering over existing asbestos cement siding with new vinyl aluminum or fiber cement siding. Asbestos shingles are relatively strong but.

According to merriam webster asbestos cement is. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built. What is asbestos cement siding.

Asbestos cement shingle siding is common on houses built or re sided from the 1940s generally through the 1960s. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s. Let the siding dry then prime and paint with the best exterior latex you can find. In general it was a very successful siding material and continues to perform well.

It is very brittle and has a tendency to crack and break when nailed which can release asbestos fibers into both the air and ground. I have asbestos siding hard brittle shinglelike covering my whole house. A typical procedure is to install furring strips on the existing wall avoiding breaking the existing siding.