Forum Title: Install door on sloped deck
Deck is attached to ledger with joists slightly sloped down away from house as was covered with plywood and waterproofing vinyl. Half of deck is enclosed as a sun room with a sliding glass door on joist line leading to the same deck surface. Existing install was to place door directly on vinyl and shim the far end and fill cavity with silicone. There is flashing on outside but leaking. I would like to remove door and install a sub sill and then a Suresill device and then door. However, there is a slope where sill would go. How can I best level that sill while keeping water out. If it was a level surface I would use a piece of Pvc board with lots of caulking in door opening then sure sill etc, but the slope is worrying me.
Category: Windows & Doors Post By: BYRON DANIEL (Cypress, CA), 01/27/2019

They are called side lights. What did they say was non standard? While I don't install them I've painted lots of them all different sizes. Have you checked with places that sell doors? other than a big box.

- PEGGY HENDERSON (Greensboro, NC), 02/23/2019

Post a picture so we can see what your seeing.

- LOUISE HUGHES (Springfield, IL), 02/18/2019

Imagine walking out of house onto vinyl decking which slopes gently away from house. Then turn right and in middle of deck is framed door opening. The sloped vinyl decking continues through opening with no sill. I was planning on cuting and sanding a pvc board (as suggested above) to create a level sill for door install. The concern I have is how to flash / caulk that so it is watertight, ie so rain on exposed deck doesn't come under sill attached to floor. On top of sill, I would use a sure sill, then install door.

- JOAN MORGAN (Oceanside, CA), 02/07/2019

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