How To Repair Asbestos Roof Sheets

If the repair is to standard asbestos cement sheets follow the asbestos essentials guidance on the hse website.

How to repair asbestos roof sheets.

In 1907 process equipment was invented that produced rigid sheets from the cement asbestos. There s several cracks and you re not sure where the leaks are. Bolt holes in your asbestos roof will eventually enlarge and the washer will corrode due to exposure to uv making it ineffective. You can repair this by replacing the washer and bolt or using a flexible tape or coating to seal the area.

Where replacing the washer and bolt isn t an option due to difficult access to the roof the flexibility of crack repair tape is ideal. Cured by sunlight this laminate is quick and easy to apply and can still last for years. Insufficient overlap at joints. If you are unsure of the material it should be tested first.

The fibers were eventually mixed with portland cement and the paste was used as roof repair compound. You can also apply an emergency repair coating to seal the bolt hole. Providing proper elastic washers and right torque while tightening is key in fixing the sheets. You can just clean prime and stick it on and you don t need to do anything else.

Bad workmanship at nut and bolt joints of hooks. The highly durable grp speedpatch can stop your leak today. Higher slope allows water moving faster and hence few chance of leaks through joints. These sheets could be pigmented and cut into manageable shapes and were able to have textured patterns pressed into the surface.

Asbestos sheets are fixed by drilling holes in to the sheet. You can repair this by replacing the washer and bolt or using a flexible tape or coating to seal the area.