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chilump 11-16-2012 06:48 PM

Re-coating a flat roof
I own a town/row home in Baltimore with a flat roof. The new roof was put on in 2007' It was finished with top layer silver rubber coating. I was told I need to re coat it every three years.

I did some research and it seems like in order for me to apply another coat I need to:

1. Sweep the roof
3. Apply silver coating with roller

I'm not comfortable using a power washer. Is there an alternative?

Can you recommend a product I can get from Lowe's, home depot or Ace?

Windows on Wash 11-16-2012 10:30 PM

If you power wash, be prepared for leaks if done improperly.

I would look up Gaco Roof.

chilump 11-16-2012 10:40 PM

Thanks for the recommendation.

What other options do i have if i don't power wash?

AndyWRS 11-17-2012 06:44 PM

You just be very careful with where you point the nozzle and make sure your not using the zero degree tip. 0, 20, 40, 60 degree i think are what i have on mine, you would want to use the 60.

Be careful around pipe, solar tubes, skylights, dormers, chimneys can force water into those penatrations and cause a leak. Keep the nozzle tip a safe distance away from the flat, too close and you can damage it and / or make a leak.

Windows on Wash 11-18-2012 07:14 AM


Just be smart about the application of power washer and how much pressure you apply to those areas that Andy mentioned.

Most power washer and house washing leaks are issues with the person on the wand.

You can make anything leak if you try hard enough.

Leakous Commencemous...

OldNBroken 11-19-2012 05:10 PM

Stiff broom and blower. Never recommend power washing. Any non-fiber end aluminum will do...even Henry's.

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