First it s designed to be waterproof and walkable whereas most other flat roof materials are not.
How to build a concrete roof deck.
Building a patio deck cover you adding a roof over an existing deck dosher construction inc adding roof existing deck sunsetdecks mobilehomes 426595 gallery how to build a roof over my existing deck scottmadison co how can i add a roof over the existing deck home improvement how to build a roof over my existing deck scottmadison co.
However you need to go well beyond code to build a reliable leak proof deck over a living space.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads.
Typical decks are designed to support 55 psf lbs per square foot.
There are a few things that make pvc decking different in regards to roof decks.
For this step you will have to make the grout mixture.
How vinyl waterproof decking benefits roof decks.
We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof.
Add some water to get a flowing consistency.
To make a grout you will need sand and portland cement.
Constructing a concrete slab for a structural roof is different from that for building a slab on the ground in that attention must concern two important objectives.
You can also enclose it later to create a screened in or four season porch.
One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck.
Railing posts can be attached to the eaves as shown.
It also incorporates coolstep technology so you don t burn your feet and can also potentially lower your.
Learn everything you need to know about installing concrete footings to support your deck.
Take a bucket and mix 2 1 2 parts of the sand with 1 part of cement.
Check out our deck footing frost map to help you understand how deep your footings will need to be excavated.
You can build the structural deck out of concrete as it sounds like you are doing or wood frame construction.
To prevent avoid penetrating the roofing membrane.
Constructing the concrete roof deck.
Exact specifications vary but most concrete roofs are several inches thick.
These steps outline how to build a raised deck that is 24 feet long and 14 feet wide.
This raised deck is intended to be attached to a house and sturdy enough to accommodate future additions such as a roof.
A grout will hold the flat concrete roof in place.
As a result most decks have inadequate footings to support a new porch roof.
A solid slab of concrete capping the top of your house.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
A concrete roof is exactly what it sounds like.
Step 10 pouring the grout.
Many porches use 22 diameter corner and intermediate.