New Lazarette Covers

I replaced the original hatches with the Imtra 4000 medium hatch. This fit into the original opening just fine. My boat is an '08 22 cruiser.
 
After these long years, I finally decided to replace our Lazarette hatches, so I ordered two of the Imtra 40155 mediums. What did you folks use as a sealant when installing the new ones?
Thanks.
 
Butyl rubber tape, white. I buy a roll of tape that is about 3/4” wide by 1/8” thick. Zero leaks and I use it for almost everything topside. Just put in a new anchor windless on my 26. The windless and the anchor locker door have been bedded with butyl rubber. Some fool previously used silicone caulk and didn’t take the time to seal the balsa core. The core of the anchor locker door area and the windless are now sealed with epoxy.
Tech tip: when working on a specific area doing bedding or epoxy work, tape a plastic grocery bag next to your work area to place all of your waste in. Working on a hatch or fitting, place blue painters tape around the perimeter of the object. If using epoxy use good quality duct tape below the work area (epoxy doesn’t stick to the tape as long as you remove it, before the epoxy fully cures). Bed your hatch or whatever with butyl rubber tape. Bolt the item down, carefully score the item with a putty knife edge, remove the blue tape and you are done.
 
MOOSE":2j2i1wvz said:
After these long years, I finally decided to replace our Lazarette hatches, so I ordered two of the Imtra 40155 mediums. What did you folks use as a sealant when installing the new ones?
Thanks.

3M 4000 or 4200.
 
srbaum":2xgu55zq said:
Butyl rubber tape, white. I buy a roll of tape that is about 3/4” wide by 1/8” thick. Zero leaks and I use it for almost everything topside. Just put in a new anchor windless on my 26. The windless and the anchor locker door have been bedded with butyl rubber. Some fool previously used silicone caulk and didn’t take the time to seal the balsa core. The core of the anchor locker door area and the windless are now sealed with epoxy.
Tech tip: when working on a specific area doing bedding or epoxy work, tape a plastic grocery bag next to your work area to place all of your waste in. Working on a hatch or fitting, place blue painters tape around the perimeter of the object. If using epoxy use good quality duct tape below the work area (epoxy doesn’t stick to the tape as long as you remove it, before the epoxy fully cures). Bed your hatch or whatever with butyl rubber tape. Bolt the item down, carefully score the item with a putty knife edge, remove the blue tape and you are done.
This!
 
MOOSE":3bnnek6o said:
After these long years, I finally decided to replace our Lazarette hatches, so I ordered two of the Imtra 40155 mediums. What did you folks use as a sealant when installing the new ones?
Thanks.

Boat life, Life Seal, is a hybrid urethane/silicone, and specifically used with plastics installed on fiberglass.
 
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