01. Is There Asbestos in Popcorn Ceilings?
Do Popcorn Ceilings Have Asbestos?
爆米花的天花板从1945年到20世纪90年代初。这种纹理的天花板覆盖物对于声学绝缘和覆盖缺陷非常有用。但是，爆米花天花板材料通常包括在内the mineral asbestos。
在此期间，石棉在建筑材料中是司空见惯的，包括爆米花天花板。这mineral was often included in construction materialsbecause it is fire-resistant, cheap and strong.
Popcorn ceiling coverings contained anywhere from one to ten percent asbestos.
- 明显地嬉戏表面
- 通常是白色，灰白色或米色
- Depth of the “popcorn” effect may vary
How Common Is Asbestos in Popcorn Ceilings?
Popcorn ceilings and other products used throughout the 20th-century commonly contained asbestos. Reports show popcorn ceiling products installed from 1945 until the early 1990s likely contained asbestos.
环境保护局（EPA）banned hazardous pollutants from ceiling coveringsin 1973 with the National Emission Standards for Hazardous Air Pollutants (NESHAP).
However, researchers note popcorn ceiling materials may have still contained asbestos after the ban. Existing inventories of asbestos products were exempt from the ban and workers may have continued to use them. Some reports indicate asbestos may have been present in popcorn ceiling material stockpiles as late as the 1990s.
Individuals who own homes built before the 1990s should assume asbestos is present in all popcorn ceilings. Materials installed after 1995 likely did not contain asbestos.
Other names for popcorn ceiling products include:
- Acoustic ceiling
- 吹 - 在天花板上
- 奶酪天花板
- 喷雾天花板
- Stipple ceiling
- Stucco ceiling
- 纹理天花板
If these ceilings were not replaced, homes and other buildings may still contain asbestos.
02. Addressing Asbestos Ceilings
What to Do if Your Popcorn Ceilings Have Asbestos
在20世纪90年代初期，他们怀疑他们的爆米花天花板的房主将聘请专业人员进行测试，删除/封装和处理矿物质。石棉承包商应该是唯一处理石棉的人。打磨，绘画或修补爆米花天花板可以打扰石棉纤维并造成危险的石棉尘埃。
对于具有石棉天花板的家园，专业人员可以选择去除或封装材料。
- Asbestos removal涉及仔细卸下建筑物asbestos products。然后持牌专业人员将安全地和合法地处理石棉。
- 石棉封装covers up asbestos-containing products to avoid fibers releasing into the air.
If a homeowner suspects asbestos is in their home, they should not attempt to remove or encapsulate it on their own. The first step should be to hire a licensed abatement contractor.
If asbestos materials may have been disturbed already, homeowners can take steps to help prevent exposure. To help prevent石棉曝光在减排专业到达之前，房主可以：
- 从该地区删除宠物和人
- Shut off all vents and close all doors to the affected area
- 润湿该区域以防止纤维离开空气
处理石棉的最安全方法是将其留给专业人士。这样做会保护朋友和家族吸入有害的石棉纤维。
How to Test Your Ceiling for Asbestos
Homeowners can test their popcorn ceilings for asbestos by hiring a reliable and licensed contractor. Asbestos professionals are trained instate and federal regulationsfor proper handling of asbestos.
A contractor will conduct a thorough inspection of any broken or damaged material that may contain asbestos. If renovation is underway or planned, the contractor should inspect these areas as well.
这y will visually inspect materials for damage. The contractor will also take samples of the ceiling and suspected asbestos materials and send them away for lab testing. If asbestos is discovered, a mitigation and removal plan will be put together.
How to Remove Popcorn Ceilings With Asbestos
A licensed asbestos abatement contractor can conduct asbestos removal. Homeowners, landlords, tenants or general contractors should not attempt removal on their own.
要确定如何处理天花板中的石棉，承包商将评估其病情和脆弱性。脆性是指产品的“颅骨”。
- Highly friable asbestos products are the most dangerous, as they are the most likely to release fibers into the air. Professionals may recommend removing these products.
- 对于低脆弱产品的状况良好，承包商可能建议封装。
For a complete asbestos popcorn ceiling removal, the contractor will first shut off all ventilation to the affected area. Typically, the products will be wet down to prevent airborne fibers. The products are then removed.
每个州都有石棉处置的规定。许可承包商将安全地处理产品，确保他们不会伤害其他人。
03. Health Risks of Asbestos in Ceilings
这Dangers of Asbestos in Popcorn Ceilings
Disturbed or damaged asbestos popcorn ceilings can release fibers into the air. Asbestos fibers are dangerous if inhaled or ingested. Once asbestos is in the body,serious health conditionsmay develop.
爆米花天花板的石棉暴露的健康风险
Asbestos fibers can embed into the linings of internal organs. Over time, these fibers may cause irritation and scarring. This irritation can cause several dangerous health problems. The most serious of these is万博专业版间皮瘤癌症。Other conditions include缺乏症and石棉肺癌。
In one case study，研究人员审查了一个与石棉天花板一起生活30年的女性的曝光。持续的水损坏被石棉灰尘释放到空中。该主题在20世纪90年代开始遭受重重咳嗽。2010年，她被诊断出患有肺癌。随后她被诊断出患有肺疤痕，与石棉症一致。
Asbestos diseases can take 10 to 50 years to develop after initial exposure. While there is no safe level of asbestos exposure, repeated exposure may increase the risk of developing an asbestos disease.
谁是爆米花天花板中石棉的风险？
这re are several ways someone may come into contact with asbestos in popcorn ceilings. These higher-risk groups include:
- Construction professionals：个人可能会与石棉爆米花在一起建筑，装修或拆迁。This is occupational exposure.
- 房主和家庭:石棉天花板让整个家庭上family to the mineral. Popcorn ceiling removal or encapsulation can mitigateat-home asbestos exposure。
使用石棉的人或生活的人是爆米岭石棉暴露的最高风险。但是，个人也应该了解secondary exposure。Secondary exposure occurs when coming into contact with someone who may have asbestos fibers on their person. This often happens with spouses of asbestos workers.
Owners of older homes should test popcorn ceilings and other materials for asbestos. Professionals can test for the mineral and recommend a mitigation plan to prevent exposure.
