April 2005 400 old reading pike ste 304 pottstown pa 19464 tel.
Coal tar pitch roof removal.
Evidence indicates that the same recorrmended level or a lower level should apply to coal tar pitch tear off dust produced durinq the removal of old coal tar pitch roofinq material.
Bituminous roofing hits the market back in the pre world war ii years there were two bituminous substances bitumens that dominated the roofing industry.
It should have a flat relatively sharp lip with which to both shovel gravel and shave off tar from the roof membrane.
Your tear off shovel is your best friend when it comes to removing a tar and gravel roof.
It is used as a base for coatings and paint in roofing and paving and as a binder in asphalt products.
Coal tar pitch volatiles are composed of various chemical vapors that become airborne during its heating process.
Chemical product and company identification product name.
Give each crew member a roofing tear off shovel.
Due to its resistance to ponded water oxidation chemical attack and its cold flow self healing properties coal tar pitch built up roofing systems typically require little maintenance.
5x longer life over framing demolition blades when cutting dense and gummy materials.
New coal tar pitch roof installations however are extremely rare.
You should equip your men with pitch hoods pitch cream and wet the roof if possible to reduce the affects.
Because of the different properties of asphalt and coal tar pitch roofers were careful not to mix the two materials on the same project.
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A roofing demolition blade built to cut gummy materials including tar and gravel modified roofing coal tar pitch and more.
Coal tar roofing pitch msds number.
What you are experiencing during the tear off process is the pitch dust.
It is solid for all practical purposes at room temperature.
Coal tar pitch is melted on site in an industrial kettle and applied to the roof as a hot liquid.
Everlasting carbide teeth with wide kerf.
Coal tar pitch is a thick black liquid that remains after the distillation of coal tar.
The osha standard for coal tar pitch volatiles is 0 2 mg m3 averaged over the workshift.
However to get the most out of your roof a routine audit is recommended in order to detect problems due to wear and tear abuse or unusual acts of nature.
Coal tar pitch was a by product of processing coal to make coke which in turn was used in making carbon steel and electrodes for the aluminum industry.
Both coal tar and coal tar pitch contain many chemical compounds including carcinogens such as benzene.
Coal tar pitch is produced by distilling or heat treating coal tar which is a by product of the production of coke or coal gas.
Data collected to date.
It is very hazardous and harmful.
