Upholstery Foam Density Chart

Upholstery foam is rated in density by a 2 digit number ranging from 18 to 35 with a decimal point between the 2 numbers. If the foam is the same density it will be the same cost regardless of its firmness.

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The top quality responsive nature makes it comfortable for seater and mattresses with the optimum level of stiffness and softness.

Upholstery foam density chart. On dining room chairs where the thickness of the foam is generally lower 1 2 it would be recommended to use a foam with a density rating of 2 8 and an ild rating of 41 to compensate for the reduced foam thickness. For light or occasional use medium density foam will be sufficient like for accent chairs and headboards. The higher the density the longer the foam will last before softening up or sagging.

Density refers to the amount of material in one cubic foot of foam. A 18 foam would be 1 8 foam. Divide 87 040 by 1728 equals about 50 4 cubic feet for the block of foam you mentioned.

The life expectancy is only an estimate derived from laboratory tests such as iso pounding and the roller shear test see info below table. This upholstery foam is designed for complete protection. For foam that will get heavy daily use like couch cushions dining chairs or mattress toppers high density foam is the better choice because it will hold up over time the best.

This is a top choice interior upholstery foam but it is also commonly recommended for dry boat seating applications such as in your boat s cabin or berth. For the figures you have provided the math would work out like this. The 1 8 density 11 lb.

Foam is measured by two standards. 32x32x85 87 040 cubic inches. Firm firm extra firm 1 2 lb polyurethane foam 33 1 9 lb high density foam 18 24 28 36 44 55 2 2 lb lux foam 36 2 8 lb 3 0 lb high resilience foam 15 20 30 40 so 70 5 6 lb latex foam 33 3 0 lb memory foam 15 1 8 lb charcoal foam 90 2 15 lb dry fast foam 15 25 33 45 5 0 lb rebond foam 150 2 0 lb closed cell 90.

Since i work with latex i can tell you latex is much higher density than most open cell petroleum based upholstery foam with density ranging from 4 4 5 9 lbs cu ft. Most upholstery shops will have access to higher density higher quality foams. Your foam density is most likely 1 8 and your compression is most likely 24.

You can read more about latex foam firmness density here. 1728 cubic inches in 1 cubic foot. Ild foam material may be substituted.

1 8 extra soft used as back cushions 2 4 comfortable soft firmer back cushions. Foam density foam types very soft soft med. Foamtouch upholstery foam cushion high density is characterized by its unique high density nature specially made for seating furniture.

So foam density reads 1 8 pounds per cubic foot. Where some reupholstery clients prefer the softer feel of the. The more dense the product the more the cubic foot will weigh.

You can also find upholstery foam in different shapes like. Sailrite stocks high density upholstery foam in medium firm and extra foam options. It sounds like designing and figuring.

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