What is pitch fibre pipe?
Pitch fibre pipes are made from wood cellulose impregnated with inert coal tar pitch. Back in the 1950s these were heralded as a brilliant, more lightweight and cost effective alternative to the heavier clay pipes that were traditionally used.
What are pitch fibre pipes used for?
What are pitch fibre pipes? Pitch Fibre pipes were a cheaper, lightweight and easier to handle material made of wood cellulose impregnated with inert coal tar pitch. They were manufactured in 8ft lengths with push fit joints.
When were pitch fibre drains used?
1950s
Pitch Fibre Drains Pitch fibre pipes were mostly used from the 1950s to the early 1970s. Pitch fibre pipes were considered ideal as they were relatively inexpensive in comparison to other clay materials about at this time, they came in 8 foot lengths meaning they were faster to install and easier to handle.
What is pitch plumbing?
Pitch, or slope, refers to the angle at which a waste pipe is positioned in the ground. Accurately sloping drainage and sewer pipes is important so the liquids flow smoothly, helping to transport solids away without clogging. A pipe positioned too flat will prevent waste water from flowing away properly.
Is there asbestos in pitch fibre?
Does pitch fibre contain asbestos? UK Manufacturers added asbestos to pitch fibre to strengthen the material, however it is bonded in the coal tar, so it is normally safe, unless disturbed.
Are pitch fibre drains covered by insurance?
In most cases, you probably won’t be aware that you have pitch fibre drains until you need them repaired or replaced. Unfortunately, you may also find that many insurance companies will not cover pitch fibre repair work, given that the material is most often associated with older pipes.
What is Orangeburg pipe made of?
Orangeburg pipes: A history Manufactured by Orangeburg Manufacturing Company, Orangeburg pipes are a brand of bituminous fiber sewer pipe material. The pipes were manufactured from wood fibers bound with a water-resistant adhesive and filled with liquified coal tar pitch.
Does pitch fibre contain asbestos?
How do you pitch plumbing pipes?
The ideal slope of any drain line is ¼ inch per foot of pipe. In other words, for every foot the pipe travels horizontally, it should be dropping ¼ inch vertically. Many drains either have too little slope or too much slope.
What is a 1% slope for drainage?
All of your drain pipe (with one exception) must slope slightly downhill. Usually 1/8″ per foot is plenty for drainage, this is the same as the commonly recommended 1% slope. Note that I said the drain pipe must be sloped rather than the French drain.
What are pitch fibre pipes?
Pitch Fibre pipes were a cheaper, lightweight and easier to handle material made of wood cellulose impregnated with inert coal tar pitch. They were manufactured in 8ft lengths with push fit joints. What is the problem?
How do you join 110mm plastic to pitch fiber?
Joint 110mm plastic to existing pitch fibre with a flex seal coupling or similar of appropriate size. Peagravel bedding around and above the pipe for protection before backfilling. Click to expand… Hacksaw or old hand saw will cut it much better than an angle grinder.
Should I repair or replace my pitch fibre pipes?
Whether you opt for replacement or repair, it is important to note that because of the asbestos element, pitch fibre pipes must only be dealt with by experts who are able to deal with them safely. How are pitch fibre pipes repaired? Here at Blockbusters we are specialists in pitch fibre pipe repairs.
When was pitch pipe used in the US?
Pitch Fibre Pipe Work. Used widely in the United States from as far back as the 1890`s as a duct or conduit (apparently the empire state building has miles of the stuff) and also manufactured in Canada it was introduced to the UK in the 1940`s as a lighter and cheaper option to vitrified clay.