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2 Part Foam Seats

foam kit

2 part foam offers a cheaper alternative to a Schroth Indi Seat. However it does not offer that same safety protection and can be messy to make.

2 part foam kits comprises of 2 tins. Both tins are 1ltr each and can produce two seats. If you are producing multiple seats however you will want to do this one the same day as once opened the chemicals start to activate with the air.

To produce a 2 part foam seat you will require a 2 part foam kit, some mixing containers, a seat bag, a sharp knife, the driver (wearing old overalls preferably) and tank tape. You place the bag into the cockpit area, then seat the driver in the car so that the bag is between the driver and the back of the cockpit. Next you open both parks of the foam kit (Part A and Part B), before pouring both parts into the mixing containers. For most drivers in most cars you will require about half of each tin to produce a single seat. Once the two parts have been mixed they will change from a thick syrup like constancy to a foam. The density of the foam varies a lot depending on ambient temperature and other variables. Pour the foam into the bag making sure to spread it around the bag so that it offers the best support to the driver. You want to put in more foam then is required. The foam will now solidify (this takes up to and hour), the driver must remain still during this period. Once the seat has formed remover the driver and the seat. Remove the seat from the bag (you may need to cut it free with a sharp knife). You may wish to trim excesses off of the seat to make it more comfortable for the driver, try sitting the driver in the car with the seat several times to make sure you get the best fit. Once the driver is happy with the fit of the seat cover the seat in tank tape or ideally Tessa tape to help preserve the seat.

Seat Bags
Seat bags are usually thick plastic bags which are quite long (aprox 1.5mtrs). Raceparts can supply these if required. It is similar to a very thick and big bin bag or the types of bin bags used in the construction industry.