This looks to be the best place for this ... (at least for 60 owners 
)
I saw a demonstration (at an RV show) of the DIY repair method with a full explaination. As it is sooo simple I thought I'd share it here.
There are 6 simple steps -
1) Make sure the chip/crack is clean and COMPLETELY dry. Use a solvent like methylated spirits that evaporates completely and leave it long enough (overnight) to be sure.
2) Block off any strong source of Ultra Violet light (such as sun light). Park the vehicle in a garage! (also helps with the keep it dry step).
3) Apply some of the liquid resin over the chip/crack on the outside of the windscreen and immediately cover with a piece of 'sticky' plastic film (that is supplied with the resin kit). This holds the resin over the repair area during the next 2 crucial steps. 2 or 3 pieces can be lined up end to end for a maximum distance of 10cm (4"). Longer cracks can't be fixed with this stuff, don't try.
4) Expand the chip/crack to allow the resin IN and any trapped air OUT by applying pressure from the inside of the vehicle. Thumb pressure is usually enough; just hold the pressure until the chip disappears. Alternatively use a hair dryer on the inside to heat and expand the inner layer of glass over a larger area, particularly for cracks.
5) Expose the resin to Ultra Violet light - move the vehicle out into the sun light. Go get a cup of coffee while the resin cures in 5 - 10 minutes.
6) Use a single edged razor blade to remove the excess resin from the outside of the windscreen. Keep the angle shallow and stroke along the crack direction to avoid cutting into the chip/crack.
The 'repair' works because a) the resin in liquid form has low viscosity and high wet-ability, b) the cured resin is strong, and c) the resin has the same refractive index as glass.
The repair may fail if a) the damage is too great, either long cracks or chips right through the 2 layers of glass, b) there is foreign material in the chip/crack, and c) external factors intervene (eg crash damage is already holding the glass near to its breaking point and then you apply extra pressure).
Fresh, light damage will be easy to fix, old, extensive damage may require replacing the glass.
To summarize - Clean it, get the resin in, cure it and remove the excess.
Most kits will do 8-10 chips, come with resin, plastic cling strips, a razor blade and instructions for less than the cost of a single 'professional' repair.
Comments from people who have tried this, mechanics and glass repair professionals wanted ...
bye.
)I saw a demonstration (at an RV show) of the DIY repair method with a full explaination. As it is sooo simple I thought I'd share it here.
There are 6 simple steps -
1) Make sure the chip/crack is clean and COMPLETELY dry. Use a solvent like methylated spirits that evaporates completely and leave it long enough (overnight) to be sure.
2) Block off any strong source of Ultra Violet light (such as sun light). Park the vehicle in a garage! (also helps with the keep it dry step).
3) Apply some of the liquid resin over the chip/crack on the outside of the windscreen and immediately cover with a piece of 'sticky' plastic film (that is supplied with the resin kit). This holds the resin over the repair area during the next 2 crucial steps. 2 or 3 pieces can be lined up end to end for a maximum distance of 10cm (4"). Longer cracks can't be fixed with this stuff, don't try.
4) Expand the chip/crack to allow the resin IN and any trapped air OUT by applying pressure from the inside of the vehicle. Thumb pressure is usually enough; just hold the pressure until the chip disappears. Alternatively use a hair dryer on the inside to heat and expand the inner layer of glass over a larger area, particularly for cracks.
5) Expose the resin to Ultra Violet light - move the vehicle out into the sun light. Go get a cup of coffee while the resin cures in 5 - 10 minutes.
6) Use a single edged razor blade to remove the excess resin from the outside of the windscreen. Keep the angle shallow and stroke along the crack direction to avoid cutting into the chip/crack.
The 'repair' works because a) the resin in liquid form has low viscosity and high wet-ability, b) the cured resin is strong, and c) the resin has the same refractive index as glass.
The repair may fail if a) the damage is too great, either long cracks or chips right through the 2 layers of glass, b) there is foreign material in the chip/crack, and c) external factors intervene (eg crash damage is already holding the glass near to its breaking point and then you apply extra pressure).
Fresh, light damage will be easy to fix, old, extensive damage may require replacing the glass.
To summarize - Clean it, get the resin in, cure it and remove the excess.
Most kits will do 8-10 chips, come with resin, plastic cling strips, a razor blade and instructions for less than the cost of a single 'professional' repair.
Comments from people who have tried this, mechanics and glass repair professionals wanted ...
bye.