Roof Mastic Asbestos

Typical black mastic pattern on vinyl asbestos floor tile underside our photos above show a typical black floor tile adhesive mastic on the underside of a 9x9 cork pattern vinyl floor tile found in a u s.

Roof mastic asbestos.

For other roofing renovation projects if the total asbestos containing roof area undergoing renovation is less than 160 ft 2 the neshap does not apply regardless of the removal method to be used the type of material category i or ii or its condition friable versus nonfriable. You will only see black asbestos mastic after a floor covering has been removed. Home built in 1960. Class ii asbestos work means activities involving the removal of acm which is not thermal system insulation or surfacing material.

15 1991 pdf 3 pp 80 k letter to j. This includes but is not limited to the removal of asbestos containing wallboard floor tile and sheeting roofing and siding shingles and construction mastics. 21 1992 pdf 5 pp 158 k letter to j. Roofing tar and asphalt liquids roofing felt and underlayment roofing caulking mastic and sealant roofing cement and cement based shingles roof flashings and vents roof flat sheets and corrugated asbestos roofing.

Rueckert re asbestos neshap apr. The honorable strom thurmond united states senate washington d c. What does black mastic look like. Both the flooring and the mastic are likely to contain asbestos.

As the name suggests black is its predominant color. Asbestos fibers found their way into these roofing products. Cropp re sawing asbestos roofing felt jun. 12 1990 pdf 3 pp 36 k letter to d.

Asbestos fibers were used as a strengthening material in roof flashing cements as well as in flooring mastics and cutback adhesives. 40 cfr 61 145 a 4. Thank you for your letter of march 6 on behalf of your constituent victor montgomery expressing concern about the occupational safety and health administration s osha newly revised asbestos standard as it pertains to roofing. Moran re applicability of the asbestos neshap to asbestos roofing dec.

Asbestos was used in those forms in vinyl asbestos flooring in both floor tile and sheet flooring forms. Asbestos is still widely used in building materials like insulation plaster wallboard vinyl and laminate flooring siding and cement pipe.