DougB
Member
I've used Warmly Yours mats on several projects. But I needed to flatten this wood floor in my master bath. I found these RPM mats. They are about 22 x 44. You glue them down with vinyl adhesive and then staple. Over concrete you use a different adhesive. To fit them, score with a shop knife and snap. Here I'm installing the mats:
They want you to wait over night till the Roberts 2001 adhesive sets. It never really sets, and it's a little bit of a sticky mess - any that leaks out of the seams.
It's nice that the wire is below the surface, so you can walk on the floor while you lay the wire. I used WarmWire. By luck, it was a good choice, since the jacket of the wire is sorta soft and sticky - It stays put when wrapped around the 'hubs' on the RPM mat. I think If you had wire with a hard jacket - it would be more problematic. They sell grommets (rubber washers) that will hold the wire in place. But they don't work well with the 1/4" mat - too high.
The one negative about the WarmWire is that it has a twist. As you spool it out of the box, I found is necessary to twist the box a couple of times, so the wire didn't have a twist.
I reccomend you get a little less wire than what you need (like 5 sq/ft less) - considering keeping it 2" from the wall. Have a space where you 'dump' a couple of feet of wire at the end.
You need to hot gule the splice and the temp sensors (I installed one extra). I used a 9/16' spade drill to make a trough for the splice:
Here are the tools you need for the next step before pouring the SLC:
I used a cheap HD sprayer to apply the SLC Primer. They say to make sure the wire and the sides of the hubs are coated. The problem is the primer is the consistancy of milk - it simply pools around the hubs because of surface tension. After about an hour, I used a brush (kneel on a piece of cardboard) to push around the primer. It pretty much dried tacky in 2 hts. Used less than a quart for 55 sq/ft.
I'll finish in the next post.
They want you to wait over night till the Roberts 2001 adhesive sets. It never really sets, and it's a little bit of a sticky mess - any that leaks out of the seams.
It's nice that the wire is below the surface, so you can walk on the floor while you lay the wire. I used WarmWire. By luck, it was a good choice, since the jacket of the wire is sorta soft and sticky - It stays put when wrapped around the 'hubs' on the RPM mat. I think If you had wire with a hard jacket - it would be more problematic. They sell grommets (rubber washers) that will hold the wire in place. But they don't work well with the 1/4" mat - too high.
The one negative about the WarmWire is that it has a twist. As you spool it out of the box, I found is necessary to twist the box a couple of times, so the wire didn't have a twist.
I reccomend you get a little less wire than what you need (like 5 sq/ft less) - considering keeping it 2" from the wall. Have a space where you 'dump' a couple of feet of wire at the end.
You need to hot gule the splice and the temp sensors (I installed one extra). I used a 9/16' spade drill to make a trough for the splice:
Here are the tools you need for the next step before pouring the SLC:
I used a cheap HD sprayer to apply the SLC Primer. They say to make sure the wire and the sides of the hubs are coated. The problem is the primer is the consistancy of milk - it simply pools around the hubs because of surface tension. After about an hour, I used a brush (kneel on a piece of cardboard) to push around the primer. It pretty much dried tacky in 2 hts. Used less than a quart for 55 sq/ft.
I'll finish in the next post.