Tag Archives: Caulking

Leaky RV Window? Here is the fix…

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Much like the window and door frames on your house, the window frames of an RV are sealed with caulk. Over time, caulk eventually decays, causing a leak. With their thinner walls, these leaks are much more apparent on an RV. They can also be much more destructive to the plywood construction used in many RV models. You should act to replace the caulking on the window as soon as you become aware that the window is leaking.

Step 1

Inspect the caulking around the perimeter of the RV window frame. Wherever the caulk is cracked, crumbling or a gap has opened between the bead of caulk and the window frame is a potential leak.

Step 2

Remove the damaged caulk from the RV window frame. Cut and pry up the bead of caulk with a disposable razor blade or a putty knife, and pull as much of the bead out by hand as possible. Remove the remaining caulk by scraping it out with a razor.

Step 3

Clean the RV window frame seams. If there are any major bits of old, damaged caulk still in the seam, break it down and remove it with an acetone-based solvent. Then wash out the seam with car wash detergent, water and an old rag. Allow the clean-up to dry before proceeding.

Step 4

Caulk the RV window frame with RV sealant. Apply steady pressure to the caulking gun’s trigger as you slowly draw a constant bead of caulk around the window frame, filling up the seam. Gently remove any excess caulk with the razor blade.

Things You’ll Need:

  • Disposable razor blades
  • Putty knife
  • Acetone-based solvent (if possible)
  • Car wash detergent
  • Old rags
  • Caulking gun
  • RV sealant
If your know your leak is a bigger headache then a simple drop or two of water, do not hesitate to contact your Central PA RV Dealership for service.  Our fully staffed RV service department has well over 100 years of combined RV Service experience.  Give us a call at 800-722-1236 for all your travel trailer and fifth wheel needs.
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Camping Season is here!

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Open Range Rolling Thunder H 397 RGR at Lerch RV

Camping Season is here.Whether you camp in a tent or a Open Range Rolling Thunder. Maintenance is a must....

Many of us are in full camping mode.  With the unofficial start of Summer, Memorial Day, already a past us.  Our service department is has been getting some customer calls on a few items.  I decided to gather up some of those items and share them with you.  The items below are something that all RV owners should keep an eye on.  Once again, my belief that a little preventative maintenance goes a very long way.

  • RV Water heater bypass valves. These must be in the proper position to ensure that water fills the water heater tank. Ensure the tank is filled before turning on the water heater as you could damage the electric heating element or the water tank itself by overheating an empty tank.
  • Roll up your RV awning in windy conditions or if you are to be away from the campsite. It is an easy thing to do (especially with the newer electric awnings) to ensure that your awning does not get damaged by the wind.  Or worse yet flip-up and over your camper damaging the structure.
  • RV/Marine Battery water levels. With many people leaving their campers plugged in over the summer for extended periods, it is important to maintain your battery’s water levels so they do not boil off. Check them frequently to ensure proper levels and top off with distilled water or recommended fluids.
  • Sealants. Inspect your seams around windows, doors, vents, and wall corners to ensure that the caulking is not cracked and leaving voids. Keep a tube of RV Caulking handy in your camper to seal any found voids. It takes 15-20 minutes to check over a whole camper, but, will ensure your camper weathers the storm for decades.
  • RV AC Coils. Get up on your camper roof safely and inspect the AC coils and remove debris. If needed get the coils straightened so that your AC runs more efficiently ensuring you have a cool place to sleep out of the heat. However do keep in mind if the weather decides to creep up to near record high temperatures and high humidity levels, your RV air conditioning unit may work extremely hard trying to keep you cool. After this past Memorial Day, with its record heat index, many RV owners called complaining that their AC units were not functioning properly.

If you are unsure about tackling any of the above RV maintenance issues above by yourself.  Please give Lerch RV’s service department a call at 800-722-1236.  Our qualified technicians will gladly answer any questions that you might have.  And if you decide you do not want to do the work yourself, schedule an appointment when you call.

Safe Travels and Happy RVing!

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