a concrete stoop with steps can be a formidable obstacle when trying to build a deck. a massive concrete stoop will be difficult to remove. most of the time you will need to break the concrete apart using a sledge hammer or jack hammer and haul the debris away. some builders choose to build over the stoop instead.
re: deck over existing cement slab i ended up just drilling into the cement slab and laying footers with 4x4's coming off them up to the joists. it never freezes where i live and the slab is connected to the house's foundation so i'm not worried about it moving around on me.
the existing slabs may or may not be able to support the columns check with your local building codes department . again, i recommend you contact a local contractor who will be able to visually inspect and recommend the best approach for your specific situation. we hope this helps you know how to build a porch over concrete.
this short video will show you how to build deck over your patio and make it look nice. pour a concrete slab over a concrete slab, 3 porch conversion video - duration: 7:29.
in this video i am going to show you how to build a deck right over an existing concrete slab if you have a concrete slab that is in good shape it is very easy to build your deck right on top of it.
pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab's lifespan. the condition of the existing slab is the primary factor that determines how long the new concrete will last. if the foundation beneath the slab is not sound, the new concrete could sink or develop deep potholes.
although we have no way of knowing the cause of the initial cracking in your slab, when contemplating placing an overlay on an existing slab, consider the following: yes, you may pour a concrete pad overlay over an existing slab. you need to consider the added height and weight of the overlay on the existing structure.
in order to do so, the front door was moved over about 4', and off the existing concrete patio. the bottom of the door sill is 11 1/2' above the existing slab, and 12' above grade. you can see a plan view of the existing concrete patio and proposed deck below.
outdoor living can u deck over existing concrete slab? back to outdoor living next topic previous topic. browse forums. outdoor living. can u deck over existing concrete slab? by greggles. share. go to page 1, 2, 3 next. building a deck near a waffle pod slab. i partially supported the deck on concrete pads with plastic under that.