Repairing Spider Cracks On Fiberglass Roof On Motorhome

Fiberglass roof repair epoxy nathan and shianne couple full time rv how to or how not to marine epoxy evangelist missions please consider supporting.

Repairing spider cracks on fiberglass roof on motorhome.

If you don t do this new cracks will most likely appear probably not too long after you ve just finished fixing the old ones. Roof repair coating can protect your rv against all this coating the roof of your rv will not only create a waterproof barrier but it will also seal off any cracks or leaks on the roof that may have developed over time in preventing further damage it also extends the lifespan of your rv repairing damages like leaks can be fairly expensive. The fiberglass roof is removed and re installed in one large piece. You want to clean away enough to expose under the gel coat and get down to the actual glass so that you can get a good bond.

Grind directly on the damage with a dye grinder until all the frayed and damaged material is ground smooth forming a grove in the fiberglass. Spider cracks are a form of fiberglass damage that occurs from minor flexing or impacts. Gradually taper the walls of the grove to give the repair a maximum amount of surface area to bond to. The solid fiberglass rood that newmar installs is about 3 8 to 1 2 inch thick.

I have read t. These cracks do not affect the. Magicezy hairline fix is a one part pre tinted available in 10 colors sealant that allows you to complete the repair in seconds without having to grind out the existing damage. Sand around and down into the crack.

Add another layer if needed but pause every other layer to debulk the patch as much as you can. Clean the area well with acetone. If there is a crack in this newmar roof it needs to be checked. Continue adding repair patches until all previously removed fiberglass fabrics have been properly replaced.

Next lay the prepared fiberglass fabric onto the repair area. They can occur in any form of fiberglass including cars boats and swimming pools. I see these all over the motorhome but only if i look close and the sun is right. With gel coat cracks you will basically be sanding away the entire layer that is cracked.

Step 2 then toughen the laminate that contains the crack or cracks by solidifying it either by thickening with more fiberglass replacing coring materials or adding structure. It is not a fiberglass sheet like winnebago and some others use. One quick and easy way to repair gelcoat stress cracks yourself is by using magicezy hairline fix a purpose built diy repair solution for stress cracks in gelcoat and fiberglass. Small cracks form in the outer surface of the fiberglass spreading out from a central point like a spiderweb.

Step 3 now once you ve removed all hardware toerails and other paraphernalia that. Put on a respirator and safety glasses.