Drawbacks to installing an overlay over wood.
Concrete roof deck over wood framing.
It is very difficult to introduce a new idea to the marketplace especially when the idea is placing concrete on a wood deck.
A sill gasket made from a soft plastic material is designed to prevent moisture to seep from the foundation to the lumber frame.
These chemicals can be expensive.
The surface of deck should be screeded and troweled to provide a smooth level surface.
Wood lumber standard ps 20 provide for framing lumber surfaced to standard sizes at the unseasoned condition s grn at 19 percent maximum moisture content s dry.
Replacing the concrete deck with wood could have been done in one of two ways.
It s best to build the wooden deck in removable sections for cleaning and maintenance of the rubber roof and repair of the membrane if ever needed.
Completely demolish the concrete porch and build a 100 wooden one in its place or use the concrete as a base and just add wood on top of it.
The fastest and easiest way to attach most wood parts to concrete is to use a powder actuated gun.
To use it load a special gun nail and a 22 caliber gun shell into the barrel.
Since our concrete was in good condition and would offer a solid base we decided to keep it and just cover it all with wood.
Our process requires special chemicals to be added to create a high performance mix that will create a very water resistant concrete.
Relay to your architect any special setbacks such as rules that the front of the deck start 8 feet behind the roof ridgeline or that the height of the deck be no more than 2 feet above the midpoint between the gable and the rear of the roof.
Building offsets are common and create intersecting planes that contribute to drainage issues for low slope applications.
Rooftop decking attaches to treated wood sleepers separated from the roofing by strips of epdm.
I ll be reviewing the bison products pedestal and deck tile system on this episode of the build show.
Design professionals frequently specify the minimum code permitted slope with little if any consideration of the resultant valley slope created by the intersecting planes figure 1 ponding water is commonly observed at valley intersections for low slope roof and deck.
A cast in place reinforced concrete roof deck is produced by pouring concrete into form work containing reinforcing steel bars or welded steel mesh.
Press the nose against the workpiece pull the trigger and the shell will drive the fastener directly into the concrete.
Caution should be exercised when using certain curing agents and techniques.