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Forum: Product or Service Reviews & Evaluations

11-03-2020, 14:01

Replies: 19

Soft decks

Views: 1,985

Posted By thinwater

Re: Soft decks

I recored the lid to my anchor locker about 18 months ago. The balsa was so rotten I could have potted plants in it. In fact I wish I had done that and taken pictures, just to prove a point! That...

Forum: Product or Service Reviews & Evaluations

11-03-2020, 13:56

Replies: 19

Soft decks

Views: 1,985

Posted By thinwater

Re: Soft decks

Polyurethanes (most expansion foams, Sika sealants, and Gorilla Glue) use water as a curing agent. Some of the water is incorporated in the polymer. But that does NOT mean that they bond well to wet...

Forum: Product or Service Reviews & Evaluations

11-03-2020, 10:40

Replies: 19

Soft decks

Views: 1,985

Posted By thinwater

Re: Soft decks

Remember that virtually all of the load on the core is shear, not flex. Even plywood does NOT carry a significant portion of the load (it is to stretchy, particularly if damp, compared to glass). You...

Forum: Product or Service Reviews & Evaluations

11-03-2020, 08:36

Replies: 19

Soft decks

Views: 1,985

Posted By thinwater

Re: Soft decks

Upcoming article in Practical Sailor.

Consider that the shear strength of end grain balsa is about 1100 psi and the shear strength of high density 2-part foams is about 100 psi. Add the mulch and...

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