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Author Topic:   Is Mat really necessary?

Qualicum posted 04-10-2004 10:27 AM ET (US)
After reading and reading and then reading again whaler Hull repair (Very Helpfull article)and continously refering to Keltonkrew site I took on My hull repair. I've done some back yard automotive body work before so I didn't find grinding out the damaged areas to intimidating.
I bought Kitty Hair (evercoat product)Mixed it up and shoved it in behind the glass filling all the voids.
I used wax paper to smooth it out ,(this works very well)and it shaped the mash to define the chine line.As a matter of fact with some sanding and a little above or below 3m light marine filler the repair will be undetectable.
Both products are waterproof and appear to be bullet proof so Is Mat really necessary? and Why? Thanks
jimh posted 04-12-2004 08:48 AM ET (US)
The strength of fiberglass reinforced plastic (FRP) laminates comes principally from the embedded cloth or fabric. The resins would not be as strong without the reinforcing of the fabric. Instructions to employ mat (fabric) in repairs are intended to restore the strength to the repaired area, as opposed to filling it with just resin or gel coat resin.
If the repair is to a small area where the depth of the damage is minimal, a resin-only repair may be adequate.
keltonkrew posted 04-12-2004 09:35 AM ET (US)
Glad you got your repair done. Knowing that 1 person gained something from it makes the time worthwhile that I put into it.
However, give the credit to those on this site. I would have never put it together if I had not been asked by members here. In addition, the repair info I got was from THIS site, so really, thanks JimH for keeping us informed.
Hope others benefit from this info.
Yes, the kitty hair is needed in a bigger hole.....if cosmetic, no, but if structural, you betcha!

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Author	Topic: Is Mat really necessary?
Qualicum	posted 04-10-2004 10:27 AM ET (US) After reading and reading and then reading again whaler Hull repair (Very Helpfull article)and continously refering to Keltonkrew site I took on My hull repair. I've done some back yard automotive body work before so I didn't find grinding out the damaged areas to intimidating. I bought Kitty Hair (evercoat product)Mixed it up and shoved it in behind the glass filling all the voids. I used wax paper to smooth it out ,(this works very well)and it shaped the mash to define the chine line.As a matter of fact with some sanding and a little above or below 3m light marine filler the repair will be undetectable. Both products are waterproof and appear to be bullet proof so Is Mat really necessary? and Why? Thanks
jimh	posted 04-12-2004 08:48 AM ET (US) The strength of fiberglass reinforced plastic (FRP) laminates comes principally from the embedded cloth or fabric. The resins would not be as strong without the reinforcing of the fabric. Instructions to employ mat (fabric) in repairs are intended to restore the strength to the repaired area, as opposed to filling it with just resin or gel coat resin. If the repair is to a small area where the depth of the damage is minimal, a resin-only repair may be adequate.
keltonkrew	posted 04-12-2004 09:35 AM ET (US) Glad you got your repair done. Knowing that 1 person gained something from it makes the time worthwhile that I put into it. However, give the credit to those on this site. I would have never put it together if I had not been asked by members here. In addition, the repair info I got was from THIS site, so really, thanks JimH for keeping us informed. Hope others benefit from this info. Yes, the kitty hair is needed in a bigger hole.....if cosmetic, no, but if structural, you betcha!