Review on Pre Caulking Filler Backer Length Width by Dan Olsen

I have installed several outdoor surface mount electrical boxes and needed to fill a small gap between the box and the wall. This backer worked without any problems. My local big box shop doesn't have that size anymore so I ordered from Revain. When using this type of pad, make sure the pad is larger than what needs to be filled. The pad must be compressed for a tight fit. I ordered a 1/4" reverse and my gaps were about 1/8". Also, my package included 100ft of underlay at a reasonable price. I only needed about three feet. Additional camera to help. I accidentally drilled a deep hole in the kitchen drywall and a sponsor saved me with a little creativity along with some putty and paint. I will keep these things handy.