Cement siding and shingles
DEQ’s guidance spells out the method: cut the paint seal with a razor knife, expose the nails, pull or clip them and lift each piece off whole. Plastic sheeting under the wall catches anything that falls.
Asbestos Siding and Roofing Removal in Tigard
Typical cost in Tigard
- Siding on one wall, garage or shed, about 200 to 400 sq ft$2,100 – $5,500+
- Siding on a one-story house, about 1,200 to 1,800 sq ft of wall$8,500 – $21,000+
- Siding on a two-story house, about 2,000 to 3,000 sq ft of wall$13,500 – $33,000+
Cement asbestos shingles and siding, sometimes sold under the name Transite, hold their fibers in a hard cement binder. We test the exterior, then take positive siding and roofing off in whole pieces, wet, so they stay that way.
Intact cement asbestos products are nonfriable under DEQ’s rules, so the work needs a five-day DEQ notice and can be done by a contractor licensed with the Construction Contractors Board. We work on exteriors in Tigard, King City and Durham.
Exterior work
Roofing
Roofing is on DEQ’s list of nonfriable materials. Flat or built-up roofing is a special case for disposal, because Metro transfer stations refuse it even with negative test results.
Flues and ducts
DEQ’s list of cement asbestos products also includes chimney flues and HVAC ducts. They are sampled with the rest of the exterior and removed the same careful way.
Working in wet weather
Cement materials have to stay wet from removal until disposal, so a drizzle doesn’t stop the work. An open wall does need protecting, so plan for the new siding to follow soon after.
Owners and exterior work
Doing your own siding or roof? If you live in the house, Oregon skips the DEQ notice for exterior work, but only while the home isn’t rented out, isn’t a business and isn’t headed for demolition.
Taking the whole house down? See pre-demolition abatement, or the main page.
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Call (971) 414-4913