How do I apply 303 High Tech Fabric Guard � Correctly ?
are some special tricks to applying 303 High Tech Fabric
Make sure the surface you are treating is clean.
Make sure the surface you are treating is dry.
Do not over-spray! Saturation is not necessary. The surface
needs to be slightly damp but not soaked. The polymer 303
uses in it�s Fabric Guard helps the product go down deep
into the fabric. There is no need to treat both sides of the
surface. The top side is preferred.
Maintenance is essential. You can lightly mist the surface
every 6 months to check the water repellency. Friction will
wear away product more quickly leaving the fabric
unprotected. If this is the case�such areas can be spot
treated to renew repellency.
How do I apply 303 HTFG in the Wind ?
quickest and easiest way to handle this is to employ a flat
piece of cardboard. If you're right handed hold the
cardboard in your left hand. Hold it just upwind of where
you're spraying. The cardboard blocks the wind, you don't
waste product and you achieve expected coverage rates.
The cardboard trick is also handy to protect surrounding
areas from over-spray. For example, use the cardboard around
the edge of the convertible top while retreating. This
minimizes or eliminates over-spray onto glass, chrome, etc.
(Immediately wipe up any over-spray from adjacent surfaces
with a dry, absorbent cloth).
What is the difference between silicone 'water repellent'
fabric treatment products and 'fabric protectors'?
Silicone water repellent fabric treatments are inexpensive
products common in the RV & Marine industry where they are
sold to "waterproof" fabric covers, bimini tops and boat
1) While silicone water repellents have good though
relatively short-lived water repellency, they have the
following negative aspects: 1) Silicone treated fabrics soil
more readily than untreated fabrics. 2) When soiled,
silicone treated fabrics are much more difficult to clean
than untreated fabrics. 3) Silicone treated fabrics have
zero resistance to oil based staining agents such as skin
oils, sun tan lotions, smoke and emissions from barbecues,
jet engines, cars and boats. 4) Silicone water repellents
cause oil based stains to bond almost indelibly to treated
2) True fabric protectors also provide water repellency. But
in contrast to silicone treatments, a true fabric protector
will cause the treated fabric to resist soiling, will make
the fabric easier to clean when it becomes soiled and will
resist both water and oil based stains. Though even the
lowest grade of fabric protector will typically out-perform
any silicone water repellent, silicone products are
extremely inexpensive, very common and extensively used by
3) Manufacturers Warranties: The use of silicone water
repellents my void the manufacturer's warranty. Example:
Sunbrella�, manufactured by Glen Raven Mills, is well known
as the best quality fabric for most outdoor applications.
Sunbrella� is used internationally in most commercial
awnings, most of the world's fabric automotive convertible
tops, and in a high percentage of marine covers, bimini tops
and boat enclosures. Sunbrella� is extremely resistant to UV
light, but after cleaning or a lengthy period of exposure
may require treatment to replenish lost repellency. The use
of silicone water repellents is specifically recommended
AGAINST by Glen Raven Mills and can void the multi-year
factory warranty. The product Glen Raven Mills recommends
for treating Sunbrella� is 303 High Tech Fabric Guard,
commonly available from most marine mail order catalogs and
The Label on the 303 Fabric Guard warns not to use it on
"synthetic suede". Why Not?
Fabric Guard imparts enduring water repellency to all
natural leathers - upholstery, clothing and footwear
(including deerskin and suede). 303 Fabric Guard protects
against soiling & staining as well as helps the leather be
303 Fabric Guard should not be used on synthetic suede, not
because of the product itself, but because of the carrier,
Odorless Mineral Spirits (OMS), a mild solvent. As a general
rule, even mild solvents should not be applied to rubbers &
plastics. Synthetic suede is a plastic.
have attempted to include the most commonly asked questions
re: PoliGlow. In the event you have an inquiry not
covered in this forum or instruction sheet please contact us
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