When a memory foam mattress padbegins to wear out it will show signs of wear on the top layer where the cellular structure has begun to crumble.
Do memory foam mattress pads wear out.
The average lifespan of mattress toppers including those made entirely of memory foam is 3 to 5 years.
In some cases such as when the torn.
A good memory foam pad has many of the same properties as the top layers of a visco elastic foam mattress.
Toppers are generally thinner than mattresses and those only 1 to 2 inches thick will wear out faster because the foam cells at the top crumble and there is not much memory foam underneath to take their place and support the body.
Because of the way it works memory foams can be repeatedly compressed with heat and pressure.
Some mattress manufacturers recommend using a pad or cover to protect a memory foam mattress noting that conventional mattress pads or covers impede the beneficial qualities of memory foam.
Does memory foam wear out.
It does wear out.
To minimize this problem the sleep products safety council a sleep products trade group recommends.
If your mattress just needs to be a bit more comfortable maybe it s a bit too firm then buy the mattress pad.
Thickness a good pad should be between 2 and 4 thick.
When new memory foam can produce an odd chemical smell a phenomenon called offgassing.
Some people mistakenly believe that a memory foam mattress topper will have the same lifespan as a mattress.
Of course it does but when and by how much is the question.
If your memory foam topper has indentations that do not dissipate within an hour it s time to get a new topper that can give you the supportive sleep you want.
This is only the case with high quality mattress toppers whereas those made of cheap materials will only last a year or two.
Sometimes this foam may even tear.
How do you choose a good memory foam topper.
Memory foam is prone to wear over time especially when subjected to daily use such as on a pillow or mattress topper.
You can expect a viscoelastic foam topper to wear out in 18 36 months.
Your memory foam mattress may sag or compress too much.
The longevity of a memory foam mattress topper will depend on other factors as well such as the weight being put on it frequency of use the thickness of the topper the condition of your mattress and how well the topper is maintained.
All memory foam mattresses will eventually wear out and begin to sag but if you care for your mattress properly right from the time you buy it and keep it in excellent condition you can prevent premature sagging and prolong its lifespan.
Extra weight also makes the open cells crumble quicker than they would under the average person.