How good is my flat roof insulation.
1970s roof insulation.
Insulation may be required as part of any renovation project and in any case will provide benefits for occupants.
If you have a period property you may have a split roof for example.
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.
If you do have existing roof insulation the first thing to do is to check the depth.
Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation.
Insulation may be required as part of any renovation project and in any case will provide benefits for occupants.
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.
Graco spray foam equipment catalog pdf 2017 graco.
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.
If there is only 25mm of insulating material then this is likely to date back to the 1970s as this type of.
The 1950s 1970s another form of insulation that became popular is cellulose.
Where the front is sloping with loft access and the back is flat.
It didn t become popular until later however because it was considered very flammable.