Exact specifications vary but most concrete roofs are several inches thick.
How to build a concrete roof deck.
Add some water to get a flowing consistency.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Learn everything you need to know about installing concrete footings to support your deck.
How vinyl waterproof decking benefits roof decks.
To make a grout you will need sand and portland cement.
These steps outline how to build a raised deck that is 24 feet long and 14 feet wide.
One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck.
However you need to go well beyond code to build a reliable leak proof deck over a living space.
As a result most decks have inadequate footings to support a new porch roof.
Typical decks are designed to support 55 psf lbs per square foot.
Many porches use 22 diameter corner and intermediate.
First it s designed to be waterproof and walkable whereas most other flat roof materials are not.
You can build the structural deck out of concrete as it sounds like you are doing or wood frame construction.
We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof.
This raised deck is intended to be attached to a house and sturdy enough to accommodate future additions such as a roof.
Constructing the concrete roof deck.
A grout will hold the flat concrete roof in place.
We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads.
Check out our deck footing frost map to help you understand how deep your footings will need to be excavated.
For this step you will have to make the grout mixture.
A solid slab of concrete capping the top of your house.
If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overhead s weight you will.
Start here if you want to build a roof over a patio or deck.
You can also enclose it later to create a screened in or four season porch.
Railing posts can be attached to the eaves as shown.
There are a few things that make pvc decking different in regards to roof decks.
It also incorporates coolstep technology so you don t burn your feet and can also potentially lower your.
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.
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.
To prevent avoid penetrating the roofing membrane.
The footings for porch decks must be larger than deck footings.
