arch7
Well-known member
- Joined
- Aug 29, 2014
- Posts
- 73
Got a 1999 35' Jayco Eagle wants a new roof. Existing membrane has delaminated from the wood deck in several areas and a few leaks developed.
Liquid Roof total cost - $881.2 for material (from EPDM coatings advertised on this website) includes the tape, the mixer, the primer for the wood deck etc.
Sheet roofing from flatroofsolutions.com 60mil white on black EPDM rubber sheet $839 for all material including the glue, butyl tape, fabric etc and even an instructional DVD.
So the sheet product is actually cheaper. I'm an architect and would never specify a liquid applied roofing product on any of the commercial buildings I design. The best is the single ply membrane fully adhered over a gypsum fiber cover board. But I see new products coming on the market all the time, in carpeting, tile, metal siding and so on and I do put my faith in these new products and their claims. I mean I'm a fan of technology. AeroGel in KalWall panels for instance (try it on your RV!)
Interesting thing is both carry a 10 year warranty.
The main difference I see is hail damage sensitivity and ease of installation.
With the membrane I have to remove all roof curbs and penetrations, ac unit etc. With the liquid stuff I can keep them on and just paste over and around the curbs. Although a taller curb would be a great idea (raise your vents further up off the roof for snow depending on where you are).
So not sure which product to buy. Thoughts, experiences and recommendations much appreciated. Thanks!!
Liquid Roof total cost - $881.2 for material (from EPDM coatings advertised on this website) includes the tape, the mixer, the primer for the wood deck etc.
Sheet roofing from flatroofsolutions.com 60mil white on black EPDM rubber sheet $839 for all material including the glue, butyl tape, fabric etc and even an instructional DVD.
So the sheet product is actually cheaper. I'm an architect and would never specify a liquid applied roofing product on any of the commercial buildings I design. The best is the single ply membrane fully adhered over a gypsum fiber cover board. But I see new products coming on the market all the time, in carpeting, tile, metal siding and so on and I do put my faith in these new products and their claims. I mean I'm a fan of technology. AeroGel in KalWall panels for instance (try it on your RV!)
Interesting thing is both carry a 10 year warranty.
The main difference I see is hail damage sensitivity and ease of installation.
With the membrane I have to remove all roof curbs and penetrations, ac unit etc. With the liquid stuff I can keep them on and just paste over and around the curbs. Although a taller curb would be a great idea (raise your vents further up off the roof for snow depending on where you are).
So not sure which product to buy. Thoughts, experiences and recommendations much appreciated. Thanks!!