Decks, Patios, Porches and Docks - decks over living space > waterproofing and construction

NOTE: first time poster > hope this is the correct forum.
if not, admin welcome to move to correct forum >
please let me know if moved.

designing a 2 story addition onto an existing 2 story
house on steep side of hill in mill valley, california.

house is siding. > new and addition.

part of the top floor deck will be over the NEW
master bedroom suite on lower floor.

any recommendation, details (dwg drwgs), manufacturer's of top quality product to use welcome.
NOTE: don't want to build a low sloped metal roof under
the new deck. don't have the space between floors.

any non-liability contracts also welcome. i want to
be indemnified "forever". client has agreed to
sign any thing i provide so i CAN'T be sue forever.
they'll take all responsibility

if you have dwg cad drawings, please send to
********@aol.com > please put "DYI forum cad drawings" in SUBJECT line.
note: use softplan so an SPD drawing would also work.

First off, in Mill Valley, I will GUARANTEE you that you are going to pull a permit for the project. Then, you will be building to whatever the permit calls for.

"Existing 2 story house on steep side of hill" -- HOW STEEP??? Anything at 45 degrees or more is going to require engineering. Then, you'll be doing whatever the ENGINEERING calls for -- not anything somebody in here may post.

"i want to be indemnified "forever". You're in CA -- THAT AIN'T GONNA HAPPEN!!

lefty,

Trust me, Randy has got me and you beat on all accounts regarding that. He is a fellow Designer and deals with allot of engineers.

rpcdesign,

Is this an option? Possible mechanical fasteners?

http://www.jm.com/roofing_systems/specifications/591.htm

http://www.jm.com/roofing_systems/specifications/pvc_appguide.pdf


Single-Ply PVC Roofing - EPDM may not meet requirements you desire

Polyvinyl chloride (PVC) membranes may be nonreinforced or reinforced with glass fibers or polyester fabric 45 to 60 mils thick. Seams are formed by heat or chemical welding, and may require additional caulking. PVC membranes are resistant to bacterial growth, industrial chemical atmospheres, root penetration, and extreme weather conditions. PVC membranes have excellent fire resistance and seaming capabilities.

ASTM Standard D-4434 classes PVC materials into several types and classes depending upon the construction of the sheet material:

Type I: Unreinforced sheet

Type II, Class I: Unreinforced sheet containing fibers

Type II, Class II: Unreinforced sheet containing fabrics

Type III:Reinforced sheet containing fibers or fabrics

PVC membranes may be laid loose, mechanically fastened, or fully adhered to either nailable or non-nailable decks. For loose-laid systems, ballast provides resistance against wind uplift forces. Some PVC membranes have a factory-applied coating to provide weather resistance, aesthetics, or other properties to the membrane. Some membranes may require field application of surfacings or coatings to provide these properties.

Hope this helps!

lefty,
i only use professional engineers on all projects both
new and additions being we're in "quake country".
i'm looking for details for 'totally waterproof decking'
over living spaces. i'm doing this one against my
better judgement and it's my first. i don't trust
any deck over living space and not even flat roofs.

in time they will leak > it's a fact..

doug,
could you send me all the info you have on these
decks over living spaces?
you have my email > found out i can't put email
address in a post.

thanks, randy

Rpcdesign,

Please note at the very bottom of this page is this;

Have a Legal Question? Visit our affiliate FreeAdvice.com.

Click it - they may most certainly provide good information on your "non-liability contracts".

Hope this helps!