The Basics of Caskets: How They Function and Their Purpose

Caskets serve as the final resting place for the deceased, whether for burial or cremation. While many assume that caskets preserve the body indefinitely, that’s not the case. Instead, they provide a dignified way to lay a loved one to rest.

They come with lids, known as couches, which can be full (covering the entire casket) or half (common for viewing services). The interior can also be customized for added comfort and appearance. The choices you make—from material to design—can significantly impact the cost.

If you’re unsure about the difference between sealed and unsealed caskets, this guide will help you make an informed decision.

Sealed Caskets and How They Work

Sealed caskets, also called gasketed or protective caskets, are designed with a special sealing mechanism to provide an extra layer of protection. However, contrary to popular belief, they don’t preserve the body indefinitely. In fact, sealed caskets can speed up decomposition by trapping moisture and gases inside.

• Because of this, sealed caskets are not the best choice for mausoleums or crypts, as they can cause internal pressure buildup. Many mausoleums will actually break the seal to prevent this issue.

• If you’re shopping for a sealed casket, you might see them labeled as “gasketed,” “sealer,” or “protective” caskets—terms officially recognized by the Federal Trade Commission (FTC). Another benefit of sealed caskets is that they help protect the interior from external elements, making material and design choices even more important.

Unsealed Caskets and How They Work

Unsealed caskets lack the rubber gasket and locking mechanism found in sealed caskets. While some may assume they’re less secure, that’s not necessarily true. The lids are still sturdy and designed to stay closed, ensuring that the casket remains intact.

• One major advantage of unsealed caskets is that they allow gases to escape, preventing swelling or expansion. This makes them a better choice for mausoleums or crypts, where natural air circulation is preferred.

• Unsealed caskets are often made of eco-friendly materials such as wood or bamboo, making them a more sustainable option. 

Some people worry that bodily fluids might leak from unsealed caskets, but studies by the World Health Organization (WHO) have shown that this is not a public health concern.

Differences Between Sealed and Unsealed Caskets

1. Cost

Budget is often a key factor when choosing a casket. Sealed caskets tend to be more expensive due to their additional features. On the other hand, unsealed caskets are typically more affordable.

If the casket needs to be transported over long distances—especially by air—a sealed casket might be the better option. However, if it will be placed in a mausoleum or crypt, an unsealed casket is usually preferred.

2. Environmental Impact

For those seeking an eco-friendly burial option, unsealed caskets are the better choice. They are often made from biodegradable materials like wood, bamboo, or cardboard. Sealed caskets, on the other hand, require sturdier materials to maintain the seal, which may not be as environmentally friendly.

3. Decomposition

Sealed caskets actually accelerate decomposition by trapping moisture and gases inside, while unsealed caskets allow for a slower, more natural decomposition process. Additionally, sealed caskets are more resistant to leaks compared to unsealed ones.

Finding the Right Casket

Once you’ve determined your preferences, deciding between a sealed and unsealed casket becomes easier. Comparing options online can help you find the best fit in terms of material, design, and price. Retailers like Discount Caskets offer both sealed and unsealed options, allowing you to make an informed choice.

Before making a purchase, be sure to check the Funeral Rule, which ensures that funeral homes allow you to buy a casket from a third-party retailer without additional fees.We hope this guide makes your decision-making process a little easier during this difficult time.