Decks, Patios, Porches and Docks - new railing and tiles on garage roof deck
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flitz
11-19-09, 07:01 PM
I would like to install a new railing (aluminium or vinyl) on the deck over my garage roof. This is the current situation: the garage walls are made of large (probably hollow?) bricks, and the ceiling looks like concrete (probably poored but not sure). On the deck is either asphalt or tar&gravel or alike, that's new material to me so I don't know. On that material are rail posts installed, all loose and rusty screws. What's the best way to intall new rail posts? How do I best seal the holes from the old screws?
I'm also thinking of making the surface nicer. Removing the asphalt-like surface is probably difficult. Can I just lay down wood tiles as explained here?: Building a rooftop deck with decking tiles (http://www.ezydeck.net/rooftop_decks.htm)
If yes, how do I best prepare the not so flat and rough surface?
Thanks for any advise!
I'm also thinking of making the surface nicer. Removing the asphalt-like surface is probably difficult. Can I just lay down wood tiles as explained here?: Building a rooftop deck with decking tiles (http://www.ezydeck.net/rooftop_decks.htm)
If yes, how do I best prepare the not so flat and rough surface?
Thanks for any advise!
lefty
11-20-09, 05:34 PM
Let's start with the garage roof -- tar and gravel on a concrete bed. You don't want to try to remove it!! Plan on decking over it.
Drainage between the new deck and the existing roof is going to be an issue. The roof has a slope to it. You don't want the deck to interfer with that. I'm assuming that the garage roof LOOKS pretty flat. You could probably live with the deck having that much slope in it. It would still FEEL flat for anybody walking on it. Keep the joists off of the roof. Support them as needed so that they don't rest directly on the roofing. That will eliminate drainage problems as well as prevent the joists from retaining moisture and rotting prematurely.
Attaching the railing posts is simply a matter of redheading them to the concrete of the roof without going so deep that you are going THROUGH the concrete.
Drainage between the new deck and the existing roof is going to be an issue. The roof has a slope to it. You don't want the deck to interfer with that. I'm assuming that the garage roof LOOKS pretty flat. You could probably live with the deck having that much slope in it. It would still FEEL flat for anybody walking on it. Keep the joists off of the roof. Support them as needed so that they don't rest directly on the roofing. That will eliminate drainage problems as well as prevent the joists from retaining moisture and rotting prematurely.
Attaching the railing posts is simply a matter of redheading them to the concrete of the roof without going so deep that you are going THROUGH the concrete.