Painting Featherboard to Make it Waterproof - What Paint to Use?

Postby dirkydel » Sat Aug 30, 2014 1:50 pm

Hi Newbie to the forum here, quite good at DIY but in need of assistance with painting feather board.
I have erected my own Caravan port and also added an extension to the roof, the main structure has Box profile sheets on the roof but on the extension I have used feather board, what I'm looking to do is paint the feather board to make them truly waterproof.

What would be the best type of paint to use, or would I be better off changing the feather board to something else.

All replies greatly appreciated :-)

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Simply Build It

Postby thedoctor » Mon Sep 01, 2014 11:11 am

Hi,featherboard isn't a good idea for a roof. The thin edges tend to buckle and warp which allows raiin to drive up underneath. The fixings (unless sealed with rubber washers) will also allow water through as the timber expands and contracts with changes of temperature. Strongly suggest using something else or covering the featherboard with a DIY rubber roofing sheet which is really easy to fit and guaranteed for donkeys years.

Take a look at the rubber roofing section on our page about the different types and styles of flat roof. ... t_roof.htm
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