How to repair a crack in a fiberglass hot tub

Allow the patch material to dry according to package instructions. What causes hot tub blisters? Spa and Hot Tub Repairs This combined with higher heat levels and the pH level of the water may contribute to the formation of blisters in hot tubs. When water becomes trapped in an air void, the pressure causes the surface to bubble out and cause the blister.

How do you restore a fiberglass hot tub? Hot Tub Refinishing Empty the water from your hot tub. Sand the entire inside surface of your hot tub with the grit sandpaper.

Wash the entire inside surface of the hot tub, using the scrub brush and dipping it into the bucket. Can you fix a crack in plexiglass? Fill the crack with Plexiglas adhesive. The adhesive will be as thin as water, so be careful not to use too much pressure when injecting it into the crack using an adhesive gun or injector. Wipe away any excess adhesive that spills outside of the crack onto the windshield. How do you fix cracked glass?

STEP 1: Clean the glass with dish soap. STEP 2: Mix up the two-part epoxy. Drill a small hole through the fiberglass at the tip of the crack where it starts, and drill another hole at the tip of the crack where it ends to keep the crack from spreading. Insert a grinding bit into a cordless rotary drill. Wipe the surface of the hot tub along the crack with a soft cloth or paper towel.

Place a small amount of acetone on a soft cloth. Wipe the prepared crack with the acetone to remove any dust and debris from the grinding and sanding. Pour the paste and activator from a fiberglass tub repair kit into a small disposable container. Use the correct amount of repair products suggested by the manufacturer, and mix them together with a wooden craft stick. Apply the mixture to the crack with a clean craft stick.

Use the stick to push the fiberglass repair product into the crack, slightly overfilling the crack to allow for shrinkage. Repairing your cracked hot tub is possible. Your hot tub can be saved. Don't hang up the towel just yet. I thought that one was a pretty good cheesy joke. Grab a pencil and paper and write this down. Then get in the car and run down to your local hardware store. You are going to need:. Make sure you buy the epoxy that you have to mix one part to one part.

You may want to pick up a disposable bowl while you are out. Breathe; we are going to get through this. When you get home prepare your area for the procedure. Clean and dry the area with a clean cloth. If you are having problems seeing the crack from underneath you can just seal the inside, but if you can reach under, seal the inside and the outside. You may need two people for the job.