Housing Seal Care: The DIVEVOLK Silicone Gasket Maintenance Guide

The single component standing between your phone and the open ocean isn't a button, a latch, or a piece of optical glass — it's the silicone sealing gasket inside your DIVEVOLK housing. Treat it well and your housing will outlast several phone generations. Neglect it and the consequences are immediate, expensive, and impossible to undo.

This guide is the definitive reference for DIVEVOLK housing seal care. It is not a generic O-ring tutorial. DIVEVOLK housings use a one-piece silicone sealing gasket — not removable O-rings — and the maintenance routine is different, simpler, and more forgiving than what you may have learned from camera-housing manuals. If you came here looking for advice on how to grease an O-ring, please read on: the most important first step is unlearning that habit.

1. Meet the silicone sealing gasket: what it actually is

Most traditional underwater housings — including camera housings from competing designs — rely on one or more removable rubber O-rings seated into machined grooves. The diver is responsible for removing them periodically, cleaning the groove, lubricating with silicone grease, and reseating the ring before every dive. It works, but the failure points are obvious: a misplaced ring, a missed grain of sand, too much grease, too little grease, an aged ring that has lost its elasticity.

DIVEVOLK's SeaTouch 4 Max housing family takes a different path. The seal is a one-piece silicone sealing gasket fitted to the housing's sealing cap. The gasket has alignment tabs that key into grooves on the cap, so installation orientation is unambiguous. It is not designed to be removed, cleaned, and reseated dive after dive. It is designed to be inspected, kept clean, and replaced as a single unit when it eventually shows wear.

The practical consequences are significant:

• No silicone grease. The DIVEVOLK gasket does not require lubrication and should never be greased. Applying grease attracts dust and grit, accelerates aging, and creates an uneven sealing surface.
• No periodic disassembly. You do not pop the gasket out to clean the groove. Wipe the visible sealing surface with a clean, lint-free cloth and move on.
• Single replacement cycle. When the gasket shows damage or has been in service for about a year, swap the whole gasket as a single part. There is no piecemeal repair.
• Multi-layer redundancy. The gasket works alongside the housing's mechanical sealing architecture, not as a single-point-of-failure component. See the design philosophy article for the engineering rationale.

If a diver tells you to "grease your O-ring before every dive," they are giving you correct advice for a different category of housing. For DIVEVOLK, the advice is "inspect your gasket, keep it clean, and replace it when worn."

2. The DIVEVOLK gasket maintenance toolkit

The right kit is short, cheap, and lives in a small zip-top bag in your dive case.

• Lint-free microfiber cloth — for wiping the gasket and the mating sealing surface. Standard camera lens cloths are perfect.
• Cotton swabs (Q-tips) — for reaching the housing's thread holes and any deep recesses around the sealing cap, especially after diving in salt water.
• Fresh water — bottled or tap is fine. Used for rinsing and for dampening the cloth and swabs. Do not use distilled water for cleaning the screws or thread holes; standard fresh water is fine and avoids confusion.
• Soft brush — a clean, soft-bristled brush is useful for the threaded screw holes on the housing where sand and salt tend to accumulate.
• A spare DIVEVOLK silicone sealing gasket — store it sealed in its original packaging, away from sunlight and heat.
• An EVA hard case or padded pouch — for travel and storage so the housing is not crushed, banged, or exposed to direct UV.

Things to leave out of the kit:

• Silicone grease — not needed and counterproductive. If you have used it on the gasket in the past, gently wipe the residue off with a clean lint-free cloth and fresh water.
• Alcohol, solvents, glass cleaner, detergent, ammonia — never apply any of these to the silicone gasket. They dry the silicone, change its elasticity, and shorten its life dramatically.
• Compressed air cans — high-pressure air can drive grit into the sealing surface rather than away from it.
• Vacuum pumps and vacuum testers — DIVEVOLK housings are not designed to be vacuum-pump-tested and do not include a vacuum-leak alarm. See section 7.

3. The pre-dive inspection: 60 seconds, every single time

Run through this before every dive, even if you closed the housing only ten minutes ago. Discipline here is the difference between a fun dive and an expensive accident.

1. Open the housing in a clean, dry environment. Avoid sand, surf spray, and anything that can land in the open housing. Many dive boats have a designated wet/dry table — use it.
2. Look at the gasket. Run your eye around the entire perimeter. You are looking for hair, lint, sand grains, salt crystals, sunscreen residue, and any cuts, nicks, flat spots, or signs of compression set (a permanent indentation from being closed too long).
3. Wipe the sealing surface. Take the lint-free cloth and gently wipe both the gasket and the mating surface inside the housing where the gasket seats. One light pass on each surface is enough; aggressive rubbing risks attracting more lint.
4. Check the port glass. While you are open, scan the lens window for cracks, scratches, fogging, or salt residue. The seal is fine, but a damaged port is its own catastrophe.
5. Close the housing. Seat the sealing cap squarely, then tighten the screws by hand in an even, alternating pattern. The DIVEVOLK operational guide covers the closing sequence in detail.
6. Optional: a quick visual seal check. Some divers like to submerge the closed housing in a rinse tank for thirty seconds without the phone inside and watch for bubbles. This is not required, but it is excellent insurance on the first dive of a trip.

This is also the right place to run through the rest of your pre-dive checklist — battery level, lanyard, accessory mounts, lens choice, camera app settings.

4. Post-dive: the rinse routine that saves housings

The single most damaging thing you can do to your housing is leave it wet with salt water. Salt crystals deposit in every screw thread, in every recess of the sealing surface, and around the buttons. Each crystal is a tiny abrasive that wears the silicone gasket faster than anything else short of a sharp object.

The DIVEVOLK official post-dive routine, drawn directly from the company's tutorial videos:

1. Soak the closed housing in fresh water for about 20 minutes. A rinse tank on the dive boat is fine; a clean bucket back at the hotel is fine. While soaking, work the buttons several times so fresh water flushes salt out of the mechanism.
2. Drain and inspect. Pour out any standing water. Some water will have collected in the screw recesses and around the sealing cap — that is normal.
3. Dry the exterior. Wipe the outside of the housing with a clean towel or microfiber cloth before opening it. Opening a wet housing risks dripping salt water onto the phone inside.
4. Open and remove the phone. Put the phone aside on a dry, clean surface.
5. Deep clean the thread holes. Take a cotton swab dipped in fresh water and run it inside each threaded screw hole. Repeat with a fresh swab if you see salt residue or dark grit. This step is the one most divers skip; it is also the one that decides whether your housing closes cleanly in two years.
6. Clean the sealing screws. Dampen the lint-free cloth in fresh water and wipe the threads of each sealing screw. Do not lubricate the threads — clean and dry is correct.
7. Inspect the gasket. Look it over for damage. If anything looks off — a nick, a flat spot, anything embedded in the silicone — set the housing aside and follow section 5.
8. Air dry, cap loose. Lay the housing in a cool, well-ventilated, shaded place to dry completely. Leave the sealing cap loose — not screwed down — so the gasket is not under compression. Do not use a hairdryer, heater, or direct sunlight to speed up drying. Heat damages silicone and the touchscreen membrane.

If you have only one short freshwater rinse available at the dive boat, prioritize that immediate rinse over the 20-minute soak. The full routine resumes when you get back to your dive base.

5. Damage and wear: what to look for, when to act

Most gaskets fail gradually rather than suddenly. Catching wear early is the difference between a routine replacement and a wet phone.

Inspect the gasket carefully in good light after every dive trip and before any travel.

• Surface contamination — hair, lint, salt grit, sunscreen, anything that sits on the silicone. Wipe gently with a damp lint-free cloth. If it does not come off easily, do not scrub aggressively; consider replacing the gasket.
• Visible damage — any nick, cut, scrape, or gouge means the gasket is compromised. Replace it. Do not dive on a damaged gasket, ever.
• Flat spots and compression set — if the gasket has a permanent flat line or indentation, it has been left under compression too long. Replace it.
• Dry, chalky, or brittle areas — silicone deteriorates with UV exposure, heat, and certain chemicals. A gasket that has lost its soft, springy feel needs to be replaced.
• Discoloration around contact points — slight yellowing is normal; uneven dark patches, especially after exposure to sunscreen or solvents, indicate chemical damage. Replace.
• Age — even a gasket with no visible damage should be replaced after about one year of regular use as preventive maintenance. Twelve months is a conservative interval that reflects how silicone ages even with careful handling.

When in doubt, replace. A spare DIVEVOLK gasket costs a small fraction of a phone.

6. Replacing your DIVEVOLK gasket, step by step

Replacement is straightforward, but the alignment step matters. The DIVEVOLK gasket is keyed to the sealing cap, and a misaligned gasket will not seal.

1. Open the housing on a clean, dry, well-lit surface. A dining table with a microfiber cloth laid out works well; the deck of a dive boat does not.
2. Remove the old gasket. Gently lift it from the sealing cap. It will release without force. If you are pulling hard, you are pulling in the wrong direction.
3. Wipe the seat clean. Use the lint-free cloth and a damp cotton swab to clear any residue from the area where the new gasket will sit.
4. Take the new gasket out of its sealed packaging. Inspect it briefly for any shipping damage before installing.
5. Orient the gasket correctly. Identify the alignment tabs on the gasket and the matching grooves on the sealing cap. There is one correct orientation — match every tab to its groove. Do not force a misaligned fit.
6. Seat the gasket gently, all the way around. Run a fingertip around the perimeter and confirm that every section is fully seated. No part of the gasket should be lifted, twisted, or stretched.
7. Close the housing without the phone inside. Tighten the sealing screws by hand in an even, alternating pattern.
8. Run a dry seal test. Submerge the empty housing in a clean container of fresh water for at least a minute. Move the housing gently, watch for any stream of bubbles, then open it and confirm the interior is bone dry.
9. If it passes, you are done. If it leaks, do not dive. Re-seat the gasket and re-test. If it still leaks, contact DIVEVOLK support.

The whole replacement takes about ten minutes including the seal test. Plan it for an evening at your dive base, not minutes before entering the water.

7. Why DIVEVOLK skips traditional O-rings and vacuum-leak alarms

Many divers, especially those crossing over from dedicated camera housings, ask why DIVEVOLK does not use a removable O-ring system with silicone grease, or a vacuum pump and leak alarm. The short answer is that DIVEVOLK addresses sealing at the design layer rather than at the diver-routine layer.

The long answer is laid out in the design philosophy article. The summary:

• The sealing surface is small and clean by design. A smartphone-sized housing has a much shorter perimeter than a DSLR housing. Less sealing surface means fewer opportunities for a stray hair or grit to cause a leak.
• The gasket is keyed, not free-floating. Alignment tabs make installation unambiguous. There is no "rotated by one notch" failure mode.
• Multi-layer sealing replaces single-ring reliance. The gasket is one part of a redundant sealing architecture, not the only thing keeping water out.
• No grease, no greasing mistakes. A surprising amount of camera-housing diver error comes from grease — too much, too little, the wrong type, application on the sealing surface itself. DIVEVOLK removes that entire failure mode.
• No vacuum alarm, by choice. Vacuum-leak alarm systems address a real problem on housings with large sealing surfaces. They also add complexity, electronics that can fail, batteries that can die mid-trip, and a false sense of security that "the alarm will catch it." DIVEVOLK's design philosophy is to make the seal reliable in the first place, with a simple visual inspection as the human-in-the-loop check.

This does not mean traditional O-ring systems are bad. It means the trade-offs are different. If you maintain a regulator, BCD inflator, or dive light, you still need to know O-ring care — those components do use them. The DIVEVOLK housing is the one piece of your kit where that routine does not apply.

8. Storage and travel: long-term care

The gasket experiences slow damage when stored badly even more reliably than when used in the water.

• Always store the housing with the sealing cap loose, not screwed down. Compression for weeks or months creates a permanent flat spot. Loose storage lets the silicone relax.
• Store out of direct sunlight. UV breaks down silicone. A drawer, closet, or padded case is better than a windowsill or the top of a bookshelf.
• Keep storage cool. Avoid car interiors, boat engine compartments, and anywhere that heats above about 40°C / 104°F. Heat accelerates aging.
• Remove the phone between trips. A phone left in the housing for months can react to slight humidity inside the enclosure. Take it out.
• Use a padded case for transport. The original DIVEVOLK packaging is fine for one-time storage; an EVA hard case or padded camera bag is better for travel.
• Spare gasket storage — keep your spare gasket sealed in its original packaging, in the same cool, dark place as the housing. Silicone has a long shelf life if stored properly.

One specific travel rule worth highlighting: keep the sealing cap loose when flying. Cabin pressure drops during ascent. If the housing is tightly closed, the trapped air inside expands and stresses the seal and the housing body. Leaving the cap loose lets pressure equalize.

9. The eight most common mistakes — and how to avoid them

1. Applying silicone grease. The single most common mistake from divers transitioning from camera housings. The DIVEVOLK gasket does not need grease. Do not apply it. If grease has been applied, wipe it off with a clean lint-free cloth.
2. Cleaning the gasket with alcohol or solvent. Damages the silicone, often invisibly. Use fresh water and a lint-free cloth only.
3. Closing the housing on a contaminated sealing surface. One human hair across the gasket can compromise the seal. Always run a visual check.
4. Storing the housing tightly closed for long periods. Creates compression set. Always loosen the sealing cap when not in use.
5. Drying the housing with heat. Hairdryers, direct sunlight, and dashboard storage all degrade the gasket faster than diving does.
6. Skipping the post-dive freshwater soak. Salt crystals are abrasive. The 20-minute soak is not optional if you want the housing to last.
7. Forcing a misaligned gasket into place. The alignment tabs exist for a reason. If it does not seat without force, it is not in the right orientation.
8. Diving on a gasket past its replacement date. Even a visually perfect gasket should be swapped at about one year of regular use. Treat it as preventive maintenance, not insurance after the fact.

10. When to contact DIVEVOLK support

Most gasket issues are solved by inspection and replacement. Some are not. Contact DIVEVOLK support in any of the following situations:

• The housing fails a dry seal test after a fresh gasket has been installed and seated correctly.
• You see damage to the sealing surface inside the housing (where the gasket seats), not just to the gasket itself.
• The sealing cap does not close evenly, will not tighten down, or shows visible damage.
• You suspect the housing has flooded — even partially.
• The gasket appears to be installed correctly but the housing still leaks.
• You need a replacement gasket that matches your specific housing model.

DIVEVOLK's support team handles compatibility questions, replacement-part sourcing, and warranty cases. If your housing flooded, save the housing and the phone in the state they came out of the water (do not power the phone on) and reach out before doing anything else.

Conclusion: the seal is the system

The silicone sealing gasket is the simplest, most reliable component in your DIVEVOLK housing, and that simplicity is the point. It does not need grease, it does not need disassembly, and it does not need vacuum-pump tests. It needs inspection, a quick wipe, a fresh-water rinse after diving, loose storage between trips, and a one-time replacement every year or whenever damage shows up.

Do that, and a DIVEVOLK housing will protect phone after phone, dive after dive, for years. Skip it, and even the best engineering cannot save you from a single grain of sand on the sealing surface.

For more on DIVEVOLK housing care, see our full housing care guide, the post-dive cleaning walkthrough, and the housing buying guide for model-by-model differences.