|
Lightweight
(as much as 6x lighter than felt!)
The
amount of synthetic underlayment needed to cover
10 squares weighs just 55 lbs. |
REALLY HEAVY!
The amount of 30# felt underlayment needed to
cover 10 squares weighs a back-breaking 275 lbs! |
|
Resists
tearing, resists ripping (as much as 20x the tear
strength of 30# Felt!) |
Rips and tears
easily in windy conditions |
|
Won't
stick to metal roofing |
Sticks to metal
roofing |
|
Lays
flat, stays wrinkle-free |
Stiff and
difficult to uncurl |
|
Skid-resistant
surface is easy to walk on |
Can be slippery
and dangerous to walk on |
| UV
Resistant |
Not
UV Resistant and easily damaged by UV rays |
| Unaffected
by water (can be left exposed for several months) |
Absorbs
water (should be covered immediately!) |
| Impervious
to insect and vermin damage, as well as fungus and
rot |
Can
be damaged by insects and vermin, plus the material
promotes fungus and rot due to moisture absorption |
| Extra
wide 48" rolls make installation quicker |
Narrow-width
rolls (more labor costs during installation) |
| Easy
to cut and fold around corners |
Equally
easy to cut and fold, but can tear very easily. |
| Tested
watertight around fasteners |
Not
at all watertight around fasteners |
| Meets
or exceeds all national building code
requirements, including Dade County |
Meets
most building requirements, but not Dade County |
| Consistantly
out-performs and out-tests conventional roofing
underlayments, and blows away old-technology
underlayments |
Will
cover your roof |
| Proven
to survive high and low temperature extremes |
Proven
to cover your roof |
| Faster,
more efficient installation (labor savings), and
less call-backs for the contractor |
More
difficult to work with, installation goes slowly,
and can subject contractors to call-backs due to
blow-offs, rips, tears or weather damage. |
| New
leading-edge technology |
The
low-tech approach |
