New low VOC formulation of the popular Sikaflex 292 adhesive. 292i/801 all purpose Elastic Adhesive often used for bonding of floors to subfloors or metallic frame, exterior interior panels, bonding trim moldings to hull. Sika 292 is a one-component, thixotropic, high modulus, structural, polyurethane-based adhesive system. The product is used for a wide range of bonding applications, deck-to-hull bonding and bedding of chainplates, through-hull fittings and toe rails. A high viscous, high strength adhesive, Sikaflex 292 can replace rivets, screws, welds and other mechanical fasteners in building and repairing boats of all types. This remarkable product is designed for use on a wide variety of marine substrates. It seals and bonds in one step.
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- 9.7 lbs per gal
- Moisture Curing
Tack Free Time
- 30-45 minutes
Rate of Cure
- 24 hours
Shore A Hardness (ASTM D2240)
Elongation at Break (ASTM D412)
- 300 percent
Tensile Strength (ASTM D412)
- 550 PSI
Lap Shear Strength (ASTM D1002)
- 350 PSI
- 40F to 110 F
: 9 months
Sandable, paintable and is waterproof
Below Water Line (yes/no):
Rate Of Cure:
Can I use sikaflex 291 for bedding teak toe rail to fiberglass hull of 30 sailboat with 50 fasteners per side?
I believe so. We have used it on Fiberglass before, however you may want to use clamps then the fastners to be installed after 24 hours of cure time
Yes, but be aware that teak wood is extremely oily. You must first remove the oils from the surface layer by wiping thoroughly with acetone or other solvent. Roughing the teak surface (also the fiberglass surface) with medium grit sandpaper will increase the mechanical bonding (in addition to the adhesive bonding). Good luck with your project.
Sikaflex is the best caulk out there--working in a boat yard and building my own sailboat I have seen it all--use the Sikaflex
THOMAS A. KREHL
What Sikaflex product should I use to bed and seal a cutlass bearing holder that is bolted to the stern tube and will need to be removed periodically to eventually replace worn cutlass bearing. I am talking about the holder being sealed to the stern tube, not sealing the cutlass bearing into the bearing holder.?Thanks
I wish I could help but I don't have any experience using Sikaflex in an underwater application. I used it to bed some step plates to a cap rail and it has held up so far. I needed a product that would fill gaps and prevent "wobbling" of the step plate since the cap rail had a slight bevel to it. I know products like 3M5200 are ok below the waterline but are a bear to remove down the road. I would look for a product that first and foremost is approved for below water line applications.
Great product got an old boat sailing again!
Strong bond. A little hard to tool, but a great product.It will not fail if used correctly.
works well so fsr
the four wiring harness mounts had come loose from the underside of the deck. I used the 292 to re-bond them to the underside of the deck. It was easy to do and so far has held. I will know for sure by the end of next year. It is a heavy wiring harness.
I had a small leak coming from the chamber that breaches the hull, but could not pin point it. the leak would cause the automatic bilge to turn on two or three times during the day depending on how hard we played. I used this product to seal the seams of the chamber, and it worked great! we just got back from the lake from a very hard day of having fun, and the hull was dry!!!!