radiant heat question in slab
- Thread starter mlinnane
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ktm250rider
Silver Member
- Joined
- Oct 7, 2004
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I used 2 inch of PS insulation in my basement and garage. Then used the PEX on top of the insulation and used clips to hold down the tubing. The cement was reinforced with fiberglass so no wire mesh was used.
ktm250rider
Silver Member
- Joined
- Oct 7, 2004
- Messages
- 236
I used 2 inch of PS insulation in my basement and garage. Then used the PEX on top of the insulation and used clips to hold down the tubing. The cement was reinforced with fiberglass so no wire mesh was used.
MikeD74T
Veteran Member
<font color="red">I read not to put near toilet, the heat will melt the wax donut</font>
Fernco now makes a rubber gasket that glues to the toilet bottom & is a snug fit into the toilet flange eliminating the wax ring. made specifically for heated floors. Found it at Home Depot with the wax rings. I'll never use a wax ring again.
Fernco now makes a rubber gasket that glues to the toilet bottom & is a snug fit into the toilet flange eliminating the wax ring. made specifically for heated floors. Found it at Home Depot with the wax rings. I'll never use a wax ring again.
MikeD74T
Veteran Member
<font color="red">I read not to put near toilet, the heat will melt the wax donut</font>
Fernco now makes a rubber gasket that glues to the toilet bottom & is a snug fit into the toilet flange eliminating the wax ring. made specifically for heated floors. Found it at Home Depot with the wax rings. I'll never use a wax ring again.
Fernco now makes a rubber gasket that glues to the toilet bottom & is a snug fit into the toilet flange eliminating the wax ring. made specifically for heated floors. Found it at Home Depot with the wax rings. I'll never use a wax ring again.
CurlyDave
Elite Member
Don't even think about using bricks, pieces of wood, etc. for holding your rebar up. They will absorb water, expand, and cause the finished concrete to crack.
The only proper things to use are professional rebar chairs, or what is called a dobe (pronounced "dough-bee") around here. The dobe is a small cube of concrete with tie wire in one face. The wire is wrapped around the rebar and the dobe spaces it off the ground. They are cast in flats, looking sort of like a tin of muffins, and are very inexpensive. They have the same properties as the concrete you are pouring and will not cause it to crack. I have seen 1 1/2 inch and 2" sizes. You will need a larger size for the top layer of bar, and if you can't buy them you can make them, once you have seen the smaller ones.
The only proper things to use are professional rebar chairs, or what is called a dobe (pronounced "dough-bee") around here. The dobe is a small cube of concrete with tie wire in one face. The wire is wrapped around the rebar and the dobe spaces it off the ground. They are cast in flats, looking sort of like a tin of muffins, and are very inexpensive. They have the same properties as the concrete you are pouring and will not cause it to crack. I have seen 1 1/2 inch and 2" sizes. You will need a larger size for the top layer of bar, and if you can't buy them you can make them, once you have seen the smaller ones.
CurlyDave
Elite Member
Don't even think about using bricks, pieces of wood, etc. for holding your rebar up. They will absorb water, expand, and cause the finished concrete to crack.
The only proper things to use are professional rebar chairs, or what is called a dobe (pronounced "dough-bee") around here. The dobe is a small cube of concrete with tie wire in one face. The wire is wrapped around the rebar and the dobe spaces it off the ground. They are cast in flats, looking sort of like a tin of muffins, and are very inexpensive. They have the same properties as the concrete you are pouring and will not cause it to crack. I have seen 1 1/2 inch and 2" sizes. You will need a larger size for the top layer of bar, and if you can't buy them you can make them, once you have seen the smaller ones.
The only proper things to use are professional rebar chairs, or what is called a dobe (pronounced "dough-bee") around here. The dobe is a small cube of concrete with tie wire in one face. The wire is wrapped around the rebar and the dobe spaces it off the ground. They are cast in flats, looking sort of like a tin of muffins, and are very inexpensive. They have the same properties as the concrete you are pouring and will not cause it to crack. I have seen 1 1/2 inch and 2" sizes. You will need a larger size for the top layer of bar, and if you can't buy them you can make them, once you have seen the smaller ones.
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