The 1950s 1970s another form of insulation that became popular is cellulose.
1970s roof insulation.
Other insulation materials in use in the 1970s include vermiculite which can also be dangerous as well as fiberglass and rock wool which are still in use today.
Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation.
If there is only 25mm of insulating material then this is likely to date back to the 1970s as this type of.
If you do have existing roof insulation the first thing to do is to check the depth.
Polyurethane systems used for heat water and sound insulation purposes in roof front reverse ceiling and floors of buildings and in b1 b2 incombustibility class according to din 4102 standard.
Insulation may be required as part of any renovation project and in any case will provide benefits for occupants.
It didn t become popular until later however because it was considered very flammable.
From the 1950s right up to the 1970s flat roof properties and flats were quite popular many were built and are therefore found throughout the uk.
Insulation few houses built in the early 1970s were insulated and where insulation was installed it is unlikely to meet modern requirements.
Insulation may be required as part of any renovation project and in any case will provide benefits for occupants.
How good is my flat roof insulation.
If you have a period property you may have a split roof for example.
Graco spray foam equipment catalog pdf 2017 graco.