| Seamless – Sprayed
polyurethane foam forms a seamless insulated roofing system. It
has no joints or seams that often allow outside water and air to pass through
the roofing system into the building structure. |
| Eliminates flashing leaks – Due to the ability of spray-in-place polyurethane foam to conform to whatever
surface it is applied to, SPF is ideal for flashing parapet walls, roof
penetrations, and roof mounted equipment; such as HVAC equipment, vent stacks,
pipes, skylights, etc. The self-flashing ability of polyurethane foam eliminates
many roof leaks caused by faulty flashing. |
| Elimination of Troublesome Ponding
Water – In re-roofing applications, ponding water may be
eliminated by adding an increased thickness of polyurethane foam in low
areas. Building up the low areas and sloping the roof so that it
drains properly will eliminate ponding water and the additional load factor that
is caused by water accumulation. |
| Lightweight – The
weight of polyurethane foam is between 2-3 pounds per cubic foot.
One inch of polyurethane foam roofing weighs approximately 60 pounds per
100 square feet, as compared to approximately 600 pounds per 100 square feet for
a typical conventional four-ply built-up roofing system. This
makes a sprayed polyurethane foam system ideal for re-roofing, as it is often
possible to apply over an existing built-up roof without removing
it. |
| Highest “R” Value – Sprayed polyurethane foam has an aged “R” value of 6.2 – 6.5,
enabling it to provide more thermal resistance with less material than any other
insulation. In most cases, a polyurethane roof will pay for itself in just a few
years in fuel savings. |
| Chemically Stable – Sprayed polyurethane foam, although inert, must be protected from
sunlight by a U.V. resistant elastomeric coating. It is odorless, resists attack
by either mildew or fungi and has no nutritive value. Gaco
PolyFoam has passed “spread of flame” testing per IL – 790 (ASTM
E-108). |
| Minimizes Thermal Shock – Because a polyurethane foam roofing system is seamless, has a high
“R” value and is covered by a reflective elastomeric coating, it greatly reduces
that thermal shock to which a building is subjected because of fluctuating out
door temperatures. |
| Versatility – It can
be used on both new and replacement roofs, whether flat, pitched, saw-toothed,
domed or having unusual slopes or configurations. It is also ideal
for spray application tot tanks, freezers, coolers, piping, ductwork and various
aerospace projects. |
| Rigidity – While
sprayed polyurethane foam is very lightweight, it is strong and will not pack
down or sag. |
| Flexibility – It has
the ability to withstand a structure’s normal expansion and contraction without
affecting the ability to keep the structure protected from the outside
elements. |
| Watertight – Polyurethane foam is made of billions of minute closed cells which
resist the penetration of water and vapors. It must, however, be
protected by an elastomeric coating suited for use in that particular
environment. |
| Long Lasting – The
elastomeric coating system, which protects the polyurethane foam, can be
rejuvenated by the re-application of additional coatings when the initial
coatings system has weathered after many years of
service. |
| Ease of Application – A sprayed polyurethane system can be applied in a relatively short
period of time with little or no disruption of building operations by an
experienced, qualified polyurethane foam contractor. |
| Ease of Maintenance – Minor repairs or modifications to a polyurethane system can be
made by in-house maintenance personnel at minimal cost. All that
is needed is a hand caulking gun and a tube of caulking. |
Poly Foam Roofing Systems