We need to replace the foam in seats of our patio furniture. It is in a screen porch environment. We live in St. Simons, GA. and use the furniture for about 3 – 4 hours every day.
The foam does not recover very fast after sitting on them. They have not been comfortable since they were purchased.
When I sit down they compress instantly down an are uncomfortable…I weigh 230 lbs.The seat cushions are about 4” thick.
After reading your article I think I would want the 2 to 2.5 density…… what do you recommend and where can I buy foam and know it is the correct density?
Outdoor foam is different than indoor foam.If your furniture is used outdoors and will be exposed to rain, you need foam that is specifically made for that purpose.
Outdoor foam is found in 1.8 density only.There are different firmnesses available. Firmness is measured by an ILD scale.Someone your size you should get an ILD firmness of approximately 60.
The average lifespan for cushions made with 1.8 density outdoor foam is 5 – 8 years.
Because of your size and above average use, you may get less than half that lifespan. I recommend getting extra cushions.
There are higher ILDs (firmer) but they may be uncomfortable for smaller people. They will not increase the cushion’s durability.
There are other foam sellers, but the highest ILD I could find for other outdoor foam sellers was 45. You will probably do better with the 60 ILD.
If your sofa is in a protected environment, you have more choices.
Check out FoamOrder.com. They sell individual cushions to your specifications.
From the Foam Factory the best choice would be the Lux HQ (High Quality) foam. It is 2.8 density with an ILD of 50.
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