Pressure washing can help but if you want your stain to last using a good deck cleaner and brightener on the deck prior to pressure washing will provide you the best result.
How to pressure wash a fiberglass roof deck.
Also ensure you re cleaning along the length of the wooden boards.
Use clean fresh water to apply the rinse and then get to work.
Step 1 remove dust from your fiberglass.
Decant this into a garden sprayer.
Spray the solution all over the fiberglass roof being certain that your spray gets into corners and crannies where dirt can collect.
Because of its resilience maintaining a fiberglass deck is very simple.
You can shovel it pressure wash it and put salt on it to melt snow.
Allow it to sit for about 15 minutes so the solution can penetrate the dirt on the fiberglass roof.
A fiberglass deck will withstand moisture uv rays and temperature.
Start this step by lightly dampening a nonabrasive washcloth and gently wiping the surface of the fiberglass using broad circular motions.
To pressure wash your deck start with a low pressure nozzle and preferably use a fan tip.
A good deck cleaner can remove the gray fibers dirt mold mildew and other impurities deep in the wood.
When a catalyst is added to the polyester resin an exothermic reaction occurs producing heat and curing the fiberglass resin and catalyst are highly combustible and should always be treated with extreme care.
This is important to consider when you re planning labour costs for transporting and hauling materials.
This type of cleaning is a particularly important preparatory step before painting or re painting your house.
If you re unfamiliar with how to clean fiberglass it may surprise you to learn that it s a fairly easy task with some white vinegar and a few basic cleaning tools your fiberglass will be sparkling in no time.
Seasonal cleaning or pressure washing and hardware inspection is all that s required.
The fiberglass resin and the gelcoat finish coat used on these decks are both two part mixes that require a hardener or catalyst.
Here s how the professionals do it.
Step 2 application.
Pressure washing also known as power washing involves using a high velocity water spray to clean dirt and residue from the exterior of a house.
The water pressure will remove the granules that are important for protecting your roof.
Begin at a spot where you can check if spray is etching the wood or splintering any fibers.
This helps you to avoid any damage.
Rinsing off your boat fiberglass before cleaning will get rid of dust grime and debris.
With a broom sweep any debris and dirt from the roof.
It s also helpful for roof decks with tight load capacities.
Not to mention using a pressure washer from a high place is dangerous.
Never pressure wash your roof if you have asphalt shingles.