Removable Insulation for Alaska Fishing Vessels and Seafood Processors: Exhaust, Gensets and Boilers

Alaska's fishing fleet and seafood plants run some of the hardest-working hot equipment in the country. A catcher-processor on the Bering Sea carries a main engine, ship-service generators and often a factory boiler in one hull. A shore plant in Dutch Harbor, Kodiak or Bristol Bay runs its own powerhouse of diesel gensets, plus boilers and steam lines for processing. All of it gets hot, all of it needs maintenance, and the nearest insulation shop may be a flight away.

This guide is for chief engineers, port engineers, plant maintenance managers and purchasing staff who look after that equipment. It covers where removable insulation covers make sense, what to look for in a cover, and how to order from Alaska using photos and measurements.

Where removable covers earn their place

Main engine and genset exhaust

Exhaust risers, elbows, turbo outlets, mufflers and long exhaust runs are the hottest surfaces in most engine rooms. Marine exhaust insulation covers and generator exhaust insulation keep that heat in the pipe instead of in the room. They also cover the surfaces an engineer is most likely to brush against in a tight space. Because the covers come off in sections, the crew can get to a flange, gasket, bellows or turbo connection without cutting away lagging. When the job is done, the same cover goes back on.

Ship-service and powerhouse gensets

Generators on a processor, or in a shore-plant powerhouse, often run around the clock during the season and come down for service in the off-season. Removable covers suit that rhythm: off for the overhaul, back on for the season. Much of rural Alaska runs on diesel gensets, and the same approach applies there.

Boilers, steam lines and heat exchangers

Seafood plants and many processing vessels use steam for cooking, cleaning and fish meal. Valves, flanges, strainers, heat-exchanger heads and elbows on those lines are exactly the parts that need regular inspection. A hard insulation system has to be torn out to reach them. Pipe insulation jackets and valve and flange covers made to measure for each part come off and go back on instead.

A made-to-measure cover on a genset exhaust elbow and riser.

What matters in a cover for Alaska service

Exact fit. Vibration, tight clearances and constant use are hard on anything that doesn't fit. Every cover we build is made to the measurements of the actual part, so it follows bends, reducers, flanges and clamps instead of being wound around them. It's Built to Your Specs, from measurements, drawings or photos.

Comes off, goes back on. The point of a removable cover is that the same cover goes back on after service. Each section is built for one part, so the crew knows which piece goes where.

Burn protection and less heat in the room. Bare exhaust and steam surfaces are a burn hazard, and they put heat into the engine room or powerhouse that would otherwise stay in the pipe. A properly fitted cover helps with both. We don't publish savings figures. The benefit depends on your equipment, and we'd rather tell you what we know for certain.

Know the ratings. Our covers are a layered build, and each layer has its own limit. The inner insulation is rated 1,000°F continuous / 1,200°F max, and the gray outer cloth is rated 450°F continuous / 500°F max. When you request a quote, tell us the part, the operating temperature and the conditions around it, such as salt air, oil, washdown or outdoor exposure. We'll confirm the right build before anything is made. That's how we build high temperature insulation blankets that suit the job.

Ordering from Alaska

Nobody needs to fly in or out: we quote from your photos, measurements and part numbers, and the owner can walk your crew through measuring by phone or video call. We build in Blaine, Washington and ship anywhere in Alaska, one-off or production, so a single elbow cover or a fleet-standard set for sister vessels goes through the same process.

Overhead exhaust covered in sections, so each one can come off on its own.

We manufacture; your crew installs

We're a custom removable insulation cover manufacturer: industrial and marine, one-off or production runs, competitive pricing, shipped nationwide. We don't install. Your engineers, your plant crew, your shipyard or your insulation contractor puts the covers on. That keeps the process simple from anywhere in Alaska: you measure, we build, we ship, you fit.

Planning ahead for the yard period or the off-season

If you know a shipyard period or plant shutdown is coming, the easiest time to measure is while the equipment is accessible and someone is already working on it. Send the photos and measurements while you're there, and we'll quote from them. If you already have covers that fit well, photos of those covers plus the part measurements help too.

For more on exhaust specifically, see our exhaust and turbo blankets for marine diesels. For shore-plant steam systems, see our steam-line pipe jackets and covers for valves and flanges.

Free quote: call 360-383-6857, email info@alltempsoftcovers.com, or send us your photos for a quote.

FAQ

Can you cover the steam lines and valves in a shore plant, not just engine exhaust? Yes. We make removable covers for steam-line valves, flanges, strainers, elbows and heat-exchanger heads, each made to measure so it comes off for inspection and goes back on.

Can you build matching covers across sister vessels? Yes. Send measurements and photos from one vessel and we can build a fleet-standard set as a production order. Measure each boat's parts too, since equipment and clearances can differ between hulls.

What equipment do you make covers for? Exhaust risers, elbows, turbos, mufflers and exhaust runs on main engines and gensets, plus valves, flanges, pipe, heat-exchanger heads and other plant equipment. Every cover is made to measure.

What are your covers rated for? Inner insulation 1,000°F continuous / 1,200°F max; gray outer cloth 450°F continuous / 500°F max. Tell us the operating temperature and conditions so we can confirm the right build.

Do you install? No. We manufacture the covers and ship them, ready for your crew, shipyard or contractor to install.

All Temp Soft Covers · Custom removable insulation covers · Made in Blaine, WA · Shipping nationwide, including anywhere in Alaska · 360-383-6857

See our marine exhaust insulation blankets and marine turbo blankets. We ship anywhere in Alaska.

Call 360-383-6857 (Mon-Sat, 9-5) or request a free quote.