Same as laminating a board. Fill the scratches and dings with marine fiberglass body filler sand to 220 grit wash with acetone wipe with a tack cloth then prime sand the primer level and put the paint on.
Lay mat on or in your form and spread the resin mixture over it with a disposable paint brush.
How to lay fiberglass over plastic. Bonding these two materials requires a high-strength plastic epoxy which is available at any hardware store. Clean the bonding surface on both the fiberglass and the plastic using a microfiber cloth dampened with a solvent. Roughen both of the surfaces slightly using a pad of fine grit sandpaper.
Follow the instructions on the West System site for bonding to plastics but using your System Three goo. Cut the mixed epoxy with isopropyl alcohol 5 to 7 by volume yea I know I can hear you yelling already. Then oxidize the plastic and apply immediately while its warm.
Advice to lay fiberglass on plastic hatch If this is your first visit be sure to check out the FAQ by clicking the link above. To post questions and to view pictures you will have to register by clicking here register. Lay mat on or in your form and spread the resin mixture over it with a disposable paint brush.
The mat or cloth will seem to melt into the resin as you spread it and you can use the brush. Prep is the same for most systems wash with detergent. Fill the scratches and dings with marine fiberglass body filler sand to 220 grit wash with acetone wipe with a tack cloth then prime sand the primer level and put the paint on.
The prepreg is cut into shapes and applied to the mold in layers. A vacuum bag is then placed over the material and a vacuum pump draws all of the air out and compresses the layers together and consolidating the materials. The loaded mold is then put into an oven liquefying the resin so it.
DIY HOW TO REPAIR CRACKED PLASTIC WITH FIBERGLASS - YouTube. DIY HOW TO REPAIR CRACKED PLASTIC WITH FIBERGLASS. Well if youre using lam resin that is not a good idea since you have more resin to put on the repair and dont want to load too much resin in the glass.
When you apply a fiberglass patch the weave in the cloth should be very obvious texture-wise. Same as laminating a board. If the surface is smooth you used too much resin.
Spread the epoxy over the fiberglass cloth surface with a plastic spreader working the epoxy gently from the pool into the dry areas. Use a foam roller or brush to wet out fabric on vertical surfaces. Properly wet out fabric is transparent.
White areas indicate dry fabric. If mold is of plaster wood or new fiberglass apply soft wax Wax 2 and buff with soft towel. Then spray or brush with PVA parting compound and allow to dry.
If mold material is glass metal ceramic or well-cured fiberglass apply three. Fiberglass will bond to almost any surface including wood foam metal and even plastic. For applications such as boats the fiberglass is applied over foam.
This is a fairly easy process that involves adding a fiberglass mat bonded together using fiberglass resin. I sand the ABS really rough so the fibres stick up put the thin glasscloth in position and tap it onto the ABS using Aceton or MEK. These solvents are very agressive towards ABS so whatever you do DONT soak it your ABS will deform.
Use a polymer paint one or two part over your fiberglass. Be sure its clean with a regimen of window cleaner denatured alcohol and distilled water in that order. Be sure your temperature and humidity ranges are correct.
Put on safety glasses and grind the rough edges of the damaged PVC smooth using a dye grinder. If there is a deep fracture grind the damaged PVC out of the middle of the crack and gradually taper the edges. Lightly grind six inches all the way around the damage being careful not to go deep into the PVC.
By vacuumbaging the flat sheet. Just put the wood laminated with epoxy and fiberglass in a bag and suck al the air out with a vacuumpump or vacuumcleaner a second way is to lay a layer of plastic on top of the fiberglas add a flat piece of wood on top with some weight and let it cure youll get a perfect finish. Just a small remark I would like to make is that it is possible to use peelply on more complex.
On a small lay-up the fiberglass laminate which hangs over the edge of the mold can be trimmed off easily with a razor knife if you catch the trim stage of the period after the lay-up has gelled but before it has hardened. On a larger lay-up it can be trimmed with a saw or diamond blade.